Patent application number | Description | Published |
20090142251 | METHOD FOR TREATING CARBON NANOTUBES, CARBON NANOTUBES AND CARBON NANOTUBE DEVICES - A method for treating carbon nanotubes is provided. In the method for treating carbon nanotubes (CNTs), the CNTs are treated with SO | 06-04-2009 |
20090202422 | METHOD FOR TREATING CARBON NANOTUBES, CARBON NANOTUBES AND CARBON NANOTUBE DEVICE - A method for treating carbon nanotubes is proved, which comprises treating the carbon nanotubes with an aqueous solution containing hydroxyl radicals (HO.). | 08-13-2009 |
20090211901 | METHODS FOR PREPARING CNT FILM, CNT FILM WITH A SANDWICH STRUCTURE, AN ANODE INCLUDING THE CNT FILM AND AN ORGANIC LIGHT-EMITTING DIODES INCLUDING THE ANODE AND CNT DEVICE - Methods for preparing flexible transparent conducting carbon nanotube (CNT) films, the CNT film prepared from said methods, a method of treating CNT film by using thionyl bromide (SOBr | 08-27-2009 |
20090285746 | METHOD FOR TREATING CARBON NANOTUBES, CARBON NANOTUBES AND CARBON NANOTUBES DEVICE COMPRISING THEREOF - An efficient and cost-effective method for treating carbon nanotubes (CNTs) is provided. The method includes comprising: dispersing said carbon nanotubes in a dispersing medium to prepare a dispersion system; mixing said dispersion system with adsorbent so that type-specific carbon nanotubes contained in said dispersion system are absorbed onto the adsorbent, wherein the adsorbent is modified by a chemical/biological modifier so as to have different adsorption selectivity to carbon nanotubes of different types; and separating the adsorbent from the dispersion system, whereby the type-specific carbon nanotubes adsorbed onto the adsorbent is separated from the carbon nanotubes of another type enriched in the dispersion system; carbon nanotubes produced by the treatment method, and CNTs devices comprising thereof. | 11-19-2009 |
20100080749 | CARBON NANOTUBES, A METHOD OF PREPARING THE SAME AND AN ELEMENT USING THE SAME - Carbon nanotubes, a method for preparing the same and an element using the same are provided. The method for preparing carbon nanotubes includes synthesizing carbon nanotubes from carbon source using an arc-discharge method in the presence of catalysts and promoter, wherein the promoter contains an element capable of reducing the surface energy of carbon nanotubes. Carbon nanotubes with high purity and narrow diameter distribution can thus be prepared. | 04-01-2010 |
20100143234 | METHODS OF PREPARING AND PURIFYING CARBON NANOTUBES, CARBON NANOTUBES, AND AN ELEMENT USING THE SAME - A method of preparing carbon nanotubes (CNT), a method of purifying carbon nanotubes, carbon nanotubes, and an element using said carbon nanotubes are provided. The method includes preparing carbon nanotubes by arc-discharge and employs a coordination chemistry process to remove a catalyst and/or optional promoter used in arc-discharge. | 06-10-2010 |
20100193747 | PROCESS OF PREPARING CARBON NANOTUBE FILM, THE CARBON NANOTUBE FILM PREPARED THEREBY AND CARBON NANOTUBE ELEMENTS COMPRISING THE SAME - A process of a preparing transparent conductive carbon nanotube (CNT) film, the carbon nanotube film prepared by the process, and carbon nanotube elements including the carbon nanotube film are provided. The carbon nanotube film has a higher transparency and much lower sheet resistance compared with the carbon nanotube film obtained by a conventional filtration process. | 08-05-2010 |
Patent application number | Description | Published |
20090208708 | CARBON-NANOTUBE ARRAYS, YARNS, FILMS AND COMPOSITES, AND THE METHODS FOR PREPARING THE SAME - Carbon-nanotube arrays, yarns, films and composites, and the methods for preparing the same are provided. The substrate used is non-flat and has a radius of curvature of at least about 10 μm. The length of the carbon-nanotube yarns and films is at least about 1 cm. The method for preparing the carbon-nanotube composites includes the step of contacting a carbon-nanotube yarn or film with a polymer. | 08-20-2009 |
20090286675 | CONTINUOUS MASS PRODUCTION OF CARBON NANOTUBES IN A NANO-AGGLOMERATE FLUIDIZED-BED AND THE REACTOR - The present invention relates to a method for continuous production of carbon nanotubes in a nano-agglomerate fluidized bed, which comprises the following steps: loading transition metal compounds on a support, obtaining supported nanosized metal catalysts by reducing or dissociating, catalytically decomposing a carbon-source gas, and growing carbon nanotubes on the catalyst support by chemical vapor deposition of carbon atoms. The carbon nanotubes are 4˜100 nm in diameter and 0.5˜1000 μm in length. The carbon nanotube agglomerates, ranged between 1˜1000 μm, are smoothly fluidized under 0.005 to 2 m/s superficial gas velocity and 20-800 kg/m | 11-19-2009 |
20100316556 | MULTISTAGE REACTORS FOR CONTINUOUS PRODUCTION OF CARBON NANOTUBES - The present application provides multistage and multilayer reactors useful for the efficient and continuous production of carbon nanotubes and methods of using the apparatus in the preparation of carbon nanotubes. In one aspect, the multistage reactors include an array of interconnected fluidized-bed reactors. The multilayer reactors include a plurality of reaction zones. | 12-16-2010 |
20140121434 | FLUIDIZED BED REACTOR AND PROCESS FOR PRODUCING OLEFINS FROM OXYGENATES - The present invention provides a fluidized bed reactor and its use for producing olefins from oxygenates, the fluidized bed reactor comprises: a reaction zone located in the lower portion of the fluidized bed reactor and comprising a lower dense phase zone and an upper riser, wherein the dense phase zone and the riser are connected with each other transitionally; a separation zone located in the upper portion of the fluidized bed reactor and comprising a settling chamber, a fast gas-solid separation means, a cyclone and a gas collecting chamber, wherein the riser extends upwardly into the separation zone and is connected at its outlet with the inlet of the fast gas-solid separation means, the fast gas-solid separation means is connected at its outlet with the inlet of the cyclone via a fast gas passage, the cyclone is connected at its outlet with the gas collecting chamber, and the gas collecting chamber is located below the reactor outlet and connected therewith; and a catalyst recycle line for recycling the catalyst from the settling chamber back to the dense phase zone, a catalyst withdrawl line for withdrawing the deactivated catalyst from the settling chamber and/or the dense phase zone to the catalyst regeneration means, and a catalyst return line for returning the regenerated catalyst from the catalyst regeneration means to the dense phase zone. | 05-01-2014 |
20140213437 | Gold-based catalysts for acetylene hydrochlorination - Powder catalysts that comprise particles of chemical compounds of Au and Cu deposited on acid-washed carbon-based supports are effective catalysts in ethyne hydrochlorination to produce vinyl chloride monomers (VCMs). They give a high selectivity and productivity of VCM and decreased amounts of the byproducts of chloroethane, dichloroethane and others. Thiocyanates are used as complexing agents to extend the catalyst lifetime. The activity of the catalyst is enhanced by doping nitrogen atoms into the support. | 07-31-2014 |
Patent application number | Description | Published |
20080309639 | INPUT METHOD FOR TOUCH SCREEN - The present invention discloses an input method for a touch screen comprising a first step of acquiring the coordinates of all current touch points on the touch screen, the method further comprises steps of: (a) comparing and determining whether the distance between any two of the uncompared touch points on the touch screen is greater than or equal to a preset distance, executing the right-key operation of a mouse at the current position of the pointer of the mouse and terminating the current processing flow if it is positive, otherwise proceeding to step (b) if it is negative; (b) determining whether comparison has been made to the distances of all the touch points on the touch screen, and calculating the average of the coordinates of all the current touch points if they have been compared, otherwise returning to step (a). The method of the present invention can implement the right-key function on the touch screen in a convenient, rapid and accurate manner. | 12-18-2008 |
20090046537 | Terminal and method and system for automatically controlling terminal - A system and method of automatically controlling a terminal are disclosed. In one aspect, there is a method comprising: installing a sensing device in a terminal; and automatically controlling operations of the terminal when a certain object is detected by the sensing device within a predetermined range. According to certain aspects, a hard disk may be subjected to a full protection, power supplied to peripherals such as a keyboard or a mouse is saved. Furthermore, in other aspects, an automatic power-up/down operation to the terminal, automatic forward and backward operations of a browser and an automatic page-flipping operation of application software may be implemented. In another aspect, there is a control system for the terminal and the terminal equipped with such a control system. | 02-19-2009 |
20120279676 | CHAMFERED NARROW SIDE COPPER PLATE FOR MOULD WITH FUNNEL-SHAPED CURVED SURFACE - This invention involves in metal solidification and continuous casting field, especially a chamfered narrow side copper plate for mould with funnel-shaped curved surface. The working face of the narrow side copper plate ( | 11-08-2012 |
20130256129 | PLASMA PROCESSING APPARATUS - A plasma processing apparatus includes a chamber ( | 10-03-2013 |
20140284018 | Chamfered narrow side copper plate for mould with funnel-shaped curved surface - A chamfered narrow side copper plate for a mould with a funnel-shaped curved surface has a working face contacting molten steel that includes a middle area and two chamfered areas, which are arranged at two sides. The working face has a funnel-shaped curved surface, which is larger at a top and smaller at a bottom. The chamfered narrow side copper plate for mould with funnel-shaped curved surface can ensure the uniformity of the cooling effect of the chamfered surface and enhance the service life of the narrow side copper plate. | 09-25-2014 |
20140363975 | SUBSTRATE ETCHING METHOD AND SUBSTRATE PROCESSING DEVICE - A substrate etching method and a substrate processing device, the substrate etching method includes: S1: placing a substrate to be processed into a reaction chamber; S2: supplying etching gas into the reaction chamber; S3: turning on an excitation power supply to generate plasma in the reaction chamber; S4: turning on a bias power supply to apply bias power to the substrate; S5: turning off the bias power supply, and meanwhile, starting to supply deposition gas into the reaction chamber; S6: stopping supply of the deposition gas into the reaction chamber, and meanwhile, turning on the bias power supply; S7: repeating steps S5-S6, until the etching process is completed. In the whole etching process, the etching operation is always performed, and the deposition operation is performed sometimes. Therefore, during the deposition operation, the plasma in the reaction chamber can etch away at least a part of deposited polymers formed by the deposition operation on a sidewall of an etched section, so that the sidewall of the etched section of the substrate is smooth. | 12-11-2014 |
Patent application number | Description | Published |
20100114574 | RETRIEVAL USING A GENERALIZED SENTENCE COLLOCATION - A method and system for identifying documents relevant to a query that specifies a part of speech is provided. A retrieval system receives from a user an input query that includes a word and a part of speech. Upon receiving an input query that includes a word and a part of speech, the retrieval system identifies documents with a sentence that includes that word collocated with a word that is used as that part of speech. The retrieval system displays to the user an indication of the identified documents. | 05-06-2010 |
20100169605 | ARBITRARY PRECISION FLOATING NUMBER PROCESSING - Techniques for providing arbitrary precision floating number (APFN) processing are disclosed. In some aspects, an APFN store may be used to store a large number (i.e., an APFN) having many significant digits, which in turn may enable a high degree of precision in mathematical operations. An APFN module may be used to create and define the APFN store. The APFN module may enable a user to define a precision (significant digits) for the large number that corresponds to the size of an array of bytes in the APFN store that are allocated for storing the large number. In further aspects, the APFN store may be used to store additional intermediary data and a resultant. | 07-01-2010 |
20100191793 | Symbolic Computation Using Tree-Structured Mathematical Expressions - A method for performing symbolic computations on a mathematical expression. The mathematical expression may be converted to a tree structure having one or more parent nodes and one or more child nodes. Each parent node may be a mathematical operation. Each child node may be a mathematical expression on which the mathematical operation is performed in a specified order. Each child node may be in a hierarchical relationship to one of the parent nodes. The parent nodes, the child nodes or both may be manipulated to perform a first symbolic computation on the mathematical expression. | 07-29-2010 |
20100205120 | PLATFORM FOR LEARNING BASED RECOGNITION RESEARCH - A method for researching and developing a recognition model in a computing environment, including gathering one or more data samples from one or more users in the computing environment into a training data set used for creating the recognition model, receiving one or more training parameters defining a feature extraction algorithm configured to analyze one or more features of the training data set, a classifier algorithm configured to associate the features to a template set, a selection of a subset of the training data set, a type of the data samples, or combinations thereof, creating the recognition model based on the training parameters, and evaluating the recognition model. | 08-12-2010 |
20110246173 | Interactive Multilingual Word-Alignment Techniques - Techniques for interactively presenting word-alignments of multilingual translations and automatically improving those translations based upon user feedback are described herein. With one or more implementations of the techniques described herein, a word-alignment user-interface (UI) concurrently displays a pair of bilingual sentences, where one is a translation of the other, and interactively highlights linked (i.e., “word-aligned”) words and phrases of the pair. Other implementations of the techniques described herein offer an option for a user to provide feedback about the existing word-alignments or realign the words or phrases. In still other described implementations, word-alignment is automatically improved based upon that user feedback. | 10-06-2011 |
20120143897 | Wild Card Auto Completion - Described herein is a technology that facilitates efficient wild card auto completion of an input term. The technology supports the input term including multiple, predefined, distinct wild card characters, escape characters, special characters with language specific functionality, delimiters, and context designation. Wild card auto completion is based on a regular expression engine that supports the multiple, predefined, wild card characters. In addition, the technology supports a single input that may include multiple parts including context, domain, parts of speech, and a number of words in a result phrase. In various embodiments the technology facilitates pattern optimization to merge a subset of consecutive homogenous wild card characters and provides a selection of matching tools based on criteria including the type of wild card character included in the input term and where the wild card character appears in the input term as well as context. | 06-07-2012 |
20120193916 | WIND TURBINE GENERATOR AS WELL AS PARAMETER ACQUISITION SYSTEM AND METHOD THEREOF - The present invention discloses a wind turbine generator as well as a parameter acquisition system and a method thereof. The acquiring system comprises: at least one sensor, arranged in the hub of the wind turbine generator and configured to acquire environment operation parameters of the hub, and a data processing module, comprising a parameter acquisition unit, a parameter reading unit and a storage unit, wherein the parameter acquisition unit is connected with each sensor and configured to obtain environment operation parameters acquired by the each sensor; the parameter reading unit is connected with pitch drivers in the wind turbine generator and configured to read load characteristic parameters of the pitch drivers; the storage unit is connected with the parameter acquisition unit and the parameter reading unit and configured to store the environment operation parameters and load characteristic parameters. | 08-02-2012 |
20120276504 | Talking Teacher Visualization for Language Learning - A representation of a virtual language teacher assists in language learning. The virtual language teacher may appear as a “talking head” in a video that a student views to practice pronunciation of a foreign language. A system for generating a virtual language teacher receives input text. The system may generate a video showing the virtual language teacher as a talking head having a mouth that moves in synchronization with speech generated from the input text. The video of the virtual language teacher may then be presented to the student. | 11-01-2012 |
20120323878 | HOVER TRANSLATION OF SEARCH RESULT CAPTIONS - Systems, methods, and computer-readable media for presenting video as at least a portion of the background of search engine home pages are provided. Upon receiving a request for presentation of a search engine home page, a static image is transmitted for presentation as at least a portion of the background for the search engine home page. Also transmitted is a streaming video file. The static image may or may not be associated with the streaming video file. After a predetermined amount of time, play of the streaming video file is initiated without user action, the streaming video file replacing the static image as at least a portion of the background of the search engine home page. In this way, the user receives a seamless transition from a static image to a video presentation and is provided a rich, immersive experience at the search engine home page. | 12-20-2012 |
20130159920 | SCENARIO-ADAPTIVE INPUT METHOD EDITOR - An input method editor (IME) described herein couples scenarios of the input of the user with specific network services to offer more relevant and richer candidates for higher input productivity. Data relating to a computer application in which the input candidates are to be input and/or context relating to a user-submitted query is collected and analyzed to determine a scenario. The input candidates may include text candidates and rich candidates. The IME may select a scenario-tuned and type specific engine to identify the text candidates and/or rich candidates. The scenario-tuned text candidate engines leverage scenario-tuned language models and lexicons, and the scenario-tuned rich candidate engines leverage scenario-relevant web services, such as image, mapping, and video search, when available and appropriate. | 06-20-2013 |
Patent application number | Description | Published |
20120173498 | Verifying Correctness of a Database System - The invention provides a method for verifying correctness of a database system, comprising: receiving SQL instruction; extending access paths of the received SQL instruction; executing the SQL instruction by using the extended access paths; and verifying correctness of the database system according to result of executing the SQL instruction. With the method and system of the invention, the object of verifying correctness of a database system by automatically extending access paths of SQL statement may be achieved, and the object of verifying correctness of a database system scientifically, effectively and purposefully based on ratio of error or defect present in database itself due to various data manipulation approaches (different values of access path elements) may also be achieved. | 07-05-2012 |
20120221577 | METHOD OF AND APPARATUS FOR ORGANIZING DATA RECORDS IN A RELATIONAL DATABASE - Embodiments of the invention relate to organizing data records in a relational database. An aspect of the invention includes creating index items for a plurality of data records. Each index item includes a counter and the creating results in a plurality of counters. The numerical values of counters in corresponding index items are updated for data records in the plurality of data records that are subjected to random access. The plurality of data records are reorganized based upon the numerical values of the plurality of counters. | 08-30-2012 |
20120278305 | DYNAMIC MERGING OF EXECUTABLE STRUCTURES IN A DATABASE SYSTEM - Embodiments of the present invention relate to dynamically merging executable structures in a database system. In one embodiment, there is provided a method of dynamically merging executable structures in a database system that includes, in response to a query to the database system, extracting a stem and a branch of a query statement. The query statement includes query conditions, and the branch includes at least a subset of the query conditions. An executable structure of the stem is obtained from a cache of the database system, and an executable structure of the branch is generated. The executable structure of the stem and the executable structure of the branch are merged into a runtime executable structure. | 11-01-2012 |
20130117332 | DATABASE LARGE OBJECT REORGANIZATION - Embodiments of the invention relate to database large object (LOB) reorganization. An aspect of the invention includes calculating an activity of an inline LOB. The length of an inline LOB is redefined according to the activity of the inline LOB. LOB reorganization is performed based on the redefined length of the inline LOB. | 05-09-2013 |
20130138630 | ESTIMATION OF A FILTER FACTOR USED FOR ACCESS PATH OPTIMIZATION IN A DATABASE - A computer program product and method for estimating a filter factor for access path optimization in a database are provided. The method includes extracting from a statement segment for database query a relation condition which defines the relationship between a variable and a first table. The method includes obtaining first statistics information according to the relation condition and the statistics information of the first table. The method includes extracting from the statement segment a filter condition which defines the relationship between the variable and a second table. The method includes obtaining second statistics information according to the filter condition and the statistics information of the second table, and according to the first statistics information and the second statistics information, estimating the filter factor of the filter condition. The method and computer program product according to the embodiments of the disclosure may more accurately estimate filter factor of the filter condition. | 05-30-2013 |
20130159353 | GENERATING A TEST WORKLOAD FOR A DATABASE - A method of transferring files in a data-processing network using a current node within the network includes reading an outbound content and outbound characteristics of an outbound file. An outbound message is created having outbound strings including a first set of the outbound strings representing the outbound characteristics and a second set of the outbound strings representing the outbound content. The outbound message is sent to a receiver node within the network. An inbound message is received from a sender node within the network. The inbound message has inbound strings including a first set of the inbound strings representing inbound characteristics and a second set of the inbound strings representing inbound content. An inbound file having the inbound content is stored, and the inbound characteristics are applied to the inbound file. | 06-20-2013 |
Patent application number | Description | Published |
20080233295 | ANTIOXIDATION COATING FOR STEEL AND ANTIOXIDATION METHOD USING THE SAME - The present disclosure relates to an antioxidation coating for steel. In one example, the coating is produced by mixing magnesian mineral, layered silicate, metallurgical solid waste, aluminum powder, organic thickener and inorganic binder including the components of Al | 09-25-2008 |
20090101736 | Anti-Oxidation Spray Methods and Spray Equipment for Steel Billets - The examples described herein provide methods and equipment for an anti-oxidation spraying on a steel billet. In some examples, when the billet at the temperature of 400° C.-1000° C. enters the predetermined spraying region, a plurality of anti-oxidation spraying devices are used to perform an anti-oxidation spray on the billet in two or more directions, thereby forming directly an anti-oxidation coating on the steel billet at 400° C.-1000° C. By using the example method and equipment described herein, on-line spraying of anti-oxidation coating on the steel billet can be performed under high-temperature condition, thereby reducing an oxidation burning loss rate of the steel billet. | 04-23-2009 |
20120174828 | INORGANIC COMPOSITE BINDERS WITH HIGH-TEMPERATURE RESISTANCE - In certain examples, this invention provides an inorganic composite binder with high-temperature resistance comprising 5-12% of aluminium hydroxide, 15-35% of phosphoric acid, 0.1-1% of rare earth oxide, 5-20% of silica sol, 1-15% of polyaluminium phosphate, 1-5% of borax, based on the total weight of said binder, and the rest being water, and a method for producing the same. The binder of the example can be used in temporary protective coating layer such as the high temperature coating and the high temperature antioxidation coating layer during the heat treatment of the metal workpiece, can make it possible to form an antioxidation coating layer immediately upon directly spraying the coating onto the substrate surface of the metal at high temperature of 400-1000° C., and can continuously keep its good bonding property under the high temperature environment in the heating furnace, thereby it is helpful to reduce the oxidation loss of the metal material in the heat treatment, and improve the surface quality of the metal material; also, the binder of the invention is usable in patching material for high temperature kiln or refractory material to enhance the material strength and lengthen its service life. | 07-12-2012 |
Patent application number | Description | Published |
20090231958 | RSSI AND ULTRASONIC BASED HYBRID RANGING TECHNOLOGY - Disclosed is a hybrid ranging method comprising the steps of: transmitting from a first node an ultrasonic signal and a radio signal comprising at least one radio synchronization signal with a predetermined ratio; calculating, at a second node, a ultrasonic transmission time period between the receipt of the radio synchronization signal and the receipt of the ultrasonic signal; calculating, at the second node, an ultrasonic measured result between the first node and the second node by using the ultrasonic transmission time period; calculating, at the second node, the strength of the received radio signal, and obtaining a radio measured result between the first node and the second node from a reference database; calculating, at the second node, the smoothness of the ultrasonic measured result and the radio measured result; and determining at the second node, a final measured result according to the smoothness of the ultrasonic measured result and the radio measured result. | 09-17-2009 |
20090304285 | IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD - An image processing device capable of high-speed detection of a specific shape in an image. In the image processing device, a candidate position calculation section ( | 12-10-2009 |
20100065500 | SUPER-MACROPOROUS POLYMERIC MICROSPHERES AND PREPARATION METHOD THEREOF - The invention provides a preparation method of super-macroporous polymeric microspheres and a product thereof. The method is characterized in that adding high content of surfactant into an oil phase containing a monomer and dispersing the oil phase containing the monomer and the surfactant into an aqueous phase. Super-macroporous microspheres are obtained by means of suspension polymerization. In the interior of the microspheres, 10-60% of the pores are distributed in a range of 500-900 nm. The microspheres have a particle diameter of 1-200 μm and a porosity of 30%-90%. The product is suitable for being used as a stationary phase matrix in liquid chromatography, a carrier for high performance catalysts and a high performance adsorbent, and especially, being used as a separation medium for separating biomacromolecules. | 03-18-2010 |
20100086219 | IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD - An image processing device capable of high-speed detection of a specific shape in an image. In the image processing device, a candidate position calculation section ( | 04-08-2010 |
20100143259 | FLUORESCENT MICROSPHERES, THE PREPARATION METHOD AND USES THEREOF - The invention discloses the microspheres comprising the following structure in the composition thereof and the uses as tracers and fluorescent standard calibration products. | 06-10-2010 |
20100253623 | REMOTE CONTROL, IMAGING DEVICE, METHOD AND SYSTEM FOR THE SAME - A remote control, an imaging device, a method and a system for the same are provided to realize the functions such as channel selection of programs, character input, etc. The remote control comprises: an operation means having multiple keys, an ultrasonic and radio signal transmitting means for transmitting radio signals and ultrasonic signals while one of the said multiple keys is operated to map the position of the remote control into a cursor displayer on a screen, and a control means for controlling the said operation means and the said ultrasonic and radio signal transmitting means. | 10-07-2010 |
Patent application number | Description | Published |
20110175697 | Novel Saturated Reactor of Direct Current Thyristor Valve - The present invention provides a novel direct current thyristor valve saturated reactor includes: case, winding in the case, iron cores, cooling fins, pipes and press fit mechanism. The iron cores are coupled with winding. The invention having the following advantages: simple, modular design, low connection capacity of the wingding, fixed dimension, winding and irons well-cooled, small noise and vibration. The saturated reactor is particularly suitable used as the positive saturated reactor for high voltage current thyristor valve. | 07-21-2011 |
20110272042 | Novel Thyristor Valve Module - This present invention provides a high power electronic device which is used for transforming the alternating current into the direct current, or transforming the direct current into the alternating current: a thyristor valve module, there are two same thyristor valve segments in the whole thyristor valve module; each segment includes saturated reactor, thyristor valve unit, direct current equalizing resistor unit, acquiring energy unit, damped resistor unit, damped capacitor unit, gate series unit and water cooling system. This device series connects the thyristor valves to meet different transmission powers and different voltage ranks. This device is the key element of the high voltage direct current transmission. It can be used for different voltage ranks AD transmission system and can also be used for different voltage ranks DC system, including the ultra-high voltage 800 kV and above system. | 11-10-2011 |
20120194957 | Anovel Protection Method Of Direct Currrent Converter Valve Thyristor In Discontinuous Current Mode - The present provided a novel protection method of direct current converter valve thyristor in discontinuous current mode. In normal operation, the thyristor of converter valve will be triggered normally when thyristor anode and cathode voltage is positive, and thyristor electronics (TE) send pulse. If the discontinuous current happens, the current will over zero and the thyristor will cut off. After that if the forward voltage appears again, the voltage will be too great, more than the thyristor voltage capability. If the thyristor is not triggered immediately, the thyristor will be damaged probably. To ensure converter valve work normally in discontinuous current mode of the direct current transmission system, TE design has automatic re-trigger function to protect thyristor in discontinuous current mode; in triggering interval when forward voltage is up to +100V the thyristor will be re-triggered to ensure thyristor and system work safely and reliably. | 08-02-2012 |
Patent application number | Description | Published |
20120096086 | METHOD AND APPARATUS FOR RECOMMENDING MEDIA PROGRAMS BASED ON CORRELATED USER FEEDBACK - A method and apparatus for recommending a media program of a set of media programs to a user of a set of users is disclosed. The method and apparatus computes a measure w | 04-19-2012 |
20130325879 | METHOD AND APPARATUS FOR RECOMMENDING MEDIA PROGRAMS BASED ON CORRELATED USER FEEDBACK - A method and apparatus for recommending a media program of a set of media programs to a user of a set of users is disclosed. The method and apparatus computes a measure w | 12-05-2013 |
20140040019 | PREDICTIVE VIDEO ADVERTISING EFFECTIVENESS ANALYSIS - Effectiveness of video content is predicted using an automated or semi-automated analysis process operating on a computer. Video content is analyzed using image and audio data processing to assign a collection of attributes to a video ad. The collection of attributes is correlated to a historical effectiveness (e.g., click-thru rate) of past video ads in the same or similar attribute space to obtain predicted ad effectiveness. Differences between the collection of attributes and historical attribute spaces of greater effectiveness may also be determined and reported in the form of suggestions for improving the effectiveness of the ad. | 02-06-2014 |
20150046935 | Guaranteed Ad Targeting with Stable Precision - In one embodiment, a method trains a predictive model configured to predict a probability that advertisement (ad) impressions belong to a segment that is being targeted where the ad impressions are provided during sending of videos to users. A first threshold is determined in which the probability predicted from the predictive model is compared to determine whether ad impressions belong to the segment. A distribution probability used in the training of the predictive model is determined. The distribution probability is determined based on a characteristic for ad impressions on a site. Then, a changed distribution probability for the site is determined. The method further determines a second threshold in which the probability predicted from the predictive model is compared to determine whether ad impressions belong to the segment. | 02-12-2015 |
20150058120 | Multiple Precision Ad Targeting - In one embodiment, a method determines advertisement (ad) impressions previously determined for a site and respective predicted probabilities determined for the ad impressions. A mapping table is generated mapping predicted probabilities to respective precisions using seed data associated with the ad impressions. The method generates optimal options for using the first level and the second level for the segment using the mapping table. The optimal options include a first precision for the first level, a second precision for the second level, and a ratio of ad inventories allocated to the first level and the second level. Then the method selects one of the optimal options. The selected one of the optimal options includes parameters including a first threshold for the first level, a second threshold for the second level, and the ratio that are used to test whether a predicted probability for an ad impression is targeted to the first level or the second level. | 02-26-2015 |
Patent application number | Description | Published |
20100164986 | Dynamic Collage for Visualizing Large Photograph Collections - Described is a technology in which a collage of digital photographs is dynamically computed and rendered so as to vary the photographs that are visible in the collage over time. A dynamic collage mechanism coupled to a source of photographs computes a collage for visible output, and dynamically updates the collage on a scheduled basis by adding different photograph(s) in place of other photograph(s). Each arrangement of the photographs in each updated collage is computed from a previous collage. Also described is layout optimization in which the photographs in the updated collage are translated, rotated and/or layered so as to cover a maximum amount of the overall area of the collage. | 07-01-2010 |
20100165123 | Data-Driven Video Stabilization - Described is a technology in which existing motion information (e.g., obtained from professional quality videos) is used to correct the motion information of an input video, such as to stabilize the input video. The input video is processed into an original motion chain, which is segmented into original segments. Candidate segments are found for each original segment, and one candidate segment is matched (based on matching criteria or the like) to each original segments. The matched candidates are stitched together to form a changed motion chain that via image warping changes the motion in the output video. Also described is building the data store by processing reference videos into motion information; different data stores may be built based upon styles of reference videos that match a particular style of motion (e.g., action video, scenic video) for the data store. | 07-01-2010 |
20110190055 | VISUAL BASED IDENTITIY TRACKING - A video game system (or other data processing system) can visually identify a person entering a field of view of the system and determine whether the person has been previously interacting with the system. In one embodiment, the system establishes thresholds, enrolls players, performs the video game (or other application) including interacting with a subset of the players based on the enrolling, determines that a person has become detectable in the field of view of the system, automatically determines whether the person is one of the enrolled players, maps the person to an enrolled player and interacts with the person based on the mapping if it is determined that the person is one of the enrolled players, and assigns a new identification to the person and interacts with the person based on the new identification if it is determined that the person is not one of the enrolled players. | 08-04-2011 |
20120294476 | Salient Object Detection by Composition - A computing device configured to determine, for each of a plurality of locations in an image, a saliency measure based at least on a cost of composing parts of the image in the location from parts of the image outside of the location is described herein. The computing device is further configured to select one or more of the locations as representing salient objects of the image based at least on the saliency measures. | 11-22-2012 |
20130050642 | ALIGNING INTER-PUPILLARY DISTANCE IN A NEAR-EYE DISPLAY SYSTEM - The technology provides for automatic alignment of a see-through near-eye, mixed reality device with an inter-pupillary distance (IPD). A determination is made as to whether a see-through, near-eye, mixed reality display device is aligned with an IPD of a user. If the display device is not aligned with the IPD, the display device is automatically adjusted. In some examples, the alignment determination is based on determinations of whether an optical axis of each display optical system positioned to be seen through by a respective eye is aligned with a pupil of the respective eye in accordance with an alignment criteria. The pupil alignment may be determined based on an arrangement of gaze detection elements for each display optical system including at least one sensor for capturing data of the respective eye and the captured data. The captured data may be image data, image and glint data, and glint data only. | 02-28-2013 |
20130154918 | ENHANCED USER EYE GAZE ESTIMATION - Systems, methods, and computer media for estimating user eye gaze are provided. A plurality of images of a user's eye are acquired. At least one image of at least part of the user's field of view is acquired. At least one gaze target area in the user's field of view is determined based on the plurality of images of the user's eye. An enhanced user eye gaze is then estimated by narrowing a database of eye information and corresponding known gaze lines to a subset of the eye information having gaze lines corresponding to a gaze target area. User eye information derived from the images of the user's eye is then compared with the narrowed subset of the eye information, and an enhanced estimated user eye gaze is identified as the known gaze line of a matching eye image. | 06-20-2013 |
20130251244 | REAL TIME HEAD POSE ESTIMATION - Methods are provided for generating a low dimension pose space and using the pose space to estimate one or more head rotation angles of a user head. In one example, training image frames including a test subject head are captured under a plurality of conditions. For each frame an actual head rotation angle about a rotation axis is recorded. In each frame a face image is detected and converted to an LBP feature vector. Using principal component analysis a PCA feature vector is generated. Pose classes related to rotation angles about a rotation axis are defined. The PCA feature vectors are grouped into a pose class that corresponds to the actual rotation angle associated with the PCA feature vector. Linear discriminant analysis is applied to the pose classes to generate the low dimension pose space. | 09-26-2013 |
20130286178 | GAZE DETECTION IN A SEE-THROUGH, NEAR-EYE, MIXED REALITY DISPLAY - The technology provides various embodiments for gaze determination within a see-through, near-eye, mixed reality display device. In some embodiments, the boundaries of a gaze detection coordinate system can be determined from a spatial relationship between a user eye and gaze detection elements such as illuminators and at least one light sensor positioned on a support structure such as an eyeglasses frame. The gaze detection coordinate system allows for determination of a gaze vector from each eye based on data representing glints on the user eye, or a combination of image and glint data. A point of gaze may be determined in a three-dimensional user field of view including real and virtual objects. The spatial relationship between the gaze detection elements and the eye may be checked and may trigger a re-calibration of training data sets if the boundaries of the gaze detection coordinate system have changed. | 10-31-2013 |
20130300653 | GAZE DETECTION IN A SEE-THROUGH, NEAR-EYE, MIXED REALITY DISPLAY - The technology provides various embodiments for gaze determination within a see-through, near-eye, mixed reality display device. In some embodiments, the boundaries of a gaze detection coordinate system can be determined from a spatial relationship between a user eye and gaze detection elements such as illuminators and at least one light sensor positioned on a support structure such as an eyeglasses frame. The gaze detection coordinate system allows for determination of a gaze vector from each eye based on data representing glints on the user eye, or a combination of image and glint data. A point of gaze may be determined in a three-dimensional user field of view including real and virtual objects. The spatial relationship between the gaze detection elements and the eye may be checked and may trigger a re-calibration of training data sets if the boundaries of the gaze detection coordinate system have changed. | 11-14-2013 |
20140140610 | Unsupervised Object Class Discovery via Bottom Up Multiple Class Learning - Techniques for unsupervised object class discovery via bottom-up multiple class learning are described. These techniques may include receiving multiple images containing one or more object classes. The multiple images may be analyzed to extract top saliency instances and least saliency instances. These saliency instances may be clustered to generate and/or update statistical models. The statistical models may be used to discover the one or more object classes. In some instances, the statistical models may be used to discover object classes of novel images. | 05-22-2014 |
20140185924 | Face Alignment by Explicit Shape Regression - A two-level boosted regression function is learned using shape-indexed image features and correlation-based feature selection. The regression function is learned by explicitly minimizing the alignment errors over the training data. Image features are indexed based on a previous shape estimate, and features are selected based on correlation to a random projection. The learned regression function enforces non-parametric shape constraint. | 07-03-2014 |
20150038230 | VISUAL BASED IDENTITY TRACKING - A video game system (or other data processing system) can visually identify a person entering a field of view of the system and determine whether the person has been previously interacting with the system. In one embodiment, the system establishes thresholds, enrolls players, performs the video game (or other application) including interacting with a subset of the players based on the enrolling, determines that a person has become detectable in the field of view of the system, automatically determines whether the person is one of the enrolled players, maps the person to an enrolled player and interacts with the person based on the mapping if it is determined that the person is one of the enrolled players, and assigns a new identification to the person and interacts with the person based on the new identification if it is determined that the person is not one of the enrolled players. | 02-05-2015 |
Patent application number | Description | Published |
20120198077 | RESOURCE ALLOCATION METHOD AND DEVICE IN COMMUNICATION NETWORK - A resource allocation method and device in a communication network. The method includes: determining the carrier aggregation (CA) mode of the communication network; and selecting a resource allocating mode for the communication network according to the CA mode of the communication network. The method can select different resource scheduling modes according to different CA scenarios, thereby providing system frequency diversity gain and multi-user diversity gain. | 08-02-2012 |
20120270555 | COMMUNICATION SYSTEM FOR SUPPORTING CARRIER AGGREGATION AND METHOD AND APPARATUS FOR UPDATING SYSTEM INFORMATION THEREOF - A communication system for supporting carrier aggregation and a method and apparatus for updating system information thereof are disclosed. A method for providing system information in the communication system supporting carrier aggregation includes: when system information of said communication system changes, generating first information including information for indicating the change of system information; determining a first cell of a terminal related to the change of system information, wherein said first cell is one of cells to which said terminal connects, and corresponds to a carrier unit currently used by said terminal for keeping connection with a base station of said communication system; and transmitting said first information to said terminal through said first cell. | 10-25-2012 |
20130022016 | METHOD, BASE STATION, TERMINAL AND COMMUNICATION SYSTEM FOR SELECTING A COMPONENT CARRIER - A method, base station, terminal and communication system for selecting a component carrier. The method includes: determining the coverage range of each available carrier which can be used by the terminal; determining whether the distribution of the coverage ranges of all available carriers accords with a preset distribution mode; and in the case of according with the presetting distribution mode, at least according to a rule which is determined by the distribution mode, determining a component carrier to be used. With the embodiments, a component carrier used by the terminal can be reasonably chosen. | 01-24-2013 |
20130034018 | METHOD, BASE STATION, TERMINAL AND COMMUNICATION SYSTEM FOR UPDATING COMPONENT CARRIER - A method, base station, terminal and communication system for updating component carriers are provided. Wherein, status information of the terminal, base station and/or component carrier is acquired; whether the status information accords with the predetermined condition is determined; an old component carrier is replaced by a new component carrier, or a new component carrier is added in the even that the predetermined condition is met. With the embodiments of the present invention, the component carrier which the terminal would use is updated more effectively. | 02-07-2013 |
20130094461 | COMMUNICATION SYSTEM FOR SUPPORTING CARRIER AGGREGATION AND METHOD AND APPARATUS FOR UPDATING SYSTEM INFORMATION THEREOF - A communication system for supporting carrier aggregation and a method and apparatus for updating system information thereof are disclosed. A method for providing system information in the communication system supporting carrier aggregation includes: when system information of said communication system changes, generating first information including information for indicating the change of system information; determining a first cell of a terminal related to the change of system information, wherein said first cell is one of cells to which said terminal connects, and corresponds to a carrier unit currently used by said terminal for keeping connection with a base station of said communication system; and transmitting said first information to said terminal through said first cell. | 04-18-2013 |
20130115952 | METHOD, APPARATUS AND SYSTEM FOR CELL HANDOVER IN COMMUNICATION SYSTEM SUPPORTING CARRIER AGGREGATION - A method, apparatus and system for cell handover in the communication system supporting Carrier Aggregation (CA). The method includes: after receiving a performance measurement report for one or more neighboring cells from the served terminal, according to the performance measurement report, and basing on the CA mode for one or more candidate BSs corresponding to the one or more neighboring cells, a source Base Station (BS) in a communications system selects an algorithm suitable for the CA mode to calculate the priority levels of the one or more candidate BSs; from the one or more candidate BSs, selecting the BS having the highest priority as a target BS; and selecting one more cells to access from all cells being subject to the target BS in the one or more neighboring cells. | 05-09-2013 |
20130115958 | METHOD, EQUIPMENT AND SYSTEM FOR HANDING OVER CELL IN COMMUNICATION SYSTEM SUPPORTING CARRIER AGGREGATION - A method, an equipment and a system for handing over a cell in a communication system supporting carrier aggregation. The method includes: when a terminal in the communication system moves to the edge of the currently serving cell, the terminal selects one or more neighbor cells from one or more neighbor cells as measurement objects according to the carrier aggregation manner of the one or more neighbor cells; the terminal measures the capabilities of the measurement objects, and obtains one or more measurement results; and the terminal sends a source base station which currently serving the terminal one or more measurement results as capability measurement reports of the one or more neighbor cells. Also provided are an equipment for handing over a cell in a communication system supporting carrier aggregation, a terminal including the said equipment and a communication system including the said terminal. | 05-09-2013 |
20130136094 | METHOD AND DEVICE FOR ACTIVATING AND DE-ACTIVATING UPLINK OF SECONDARY CELL OF TERMINAL - A method and device for activating and de-activating an uplink of a secondary cell of a terminal. The method includes: determining a number of component carrier waves an RF chain of the terminal can simultaneously receive; determining an activation method to be used for uplink activation according to the number of component carrier waves; and, based on needs, sending information that carries the activation method. Using the method and device, one can determine the activation or de-activation method according to the number of the component carrier waves the terminal's RF chain can simultaneously receive, thus conserving electricity consumption of the terminal and avoiding communication interruptions. | 05-30-2013 |
20130163497 | DISCONTINUOUS RECEPTION METHOD, MOBILE STATION, BASE STATION AND WIRELESS COMMUNICATION SYSTEM - A discontinuous reception method in a wireless communication system includes the following steps: in case of a continuous carrier aggregation, setting a common On Duration timer and/or a common Discontinuous Reception inactivity timer for a primary cell and each secondary cell; and in case of a discontinuous carrier aggregation, setting an independent On Duration timers and/or an independent Discontinuous Reception inactivity timers for the primary cell and each secondary cells. The discontinuous reception method realizes discontinuous reception of the carrier aggregation, thus saving power consumption of a mobile station. | 06-27-2013 |
20130165126 | METHOD, DEVICE AND SYSTEM FOR CELL HANDOVER IN TELECOMMUNICATION SYSTEM SUPPORTING CARRIER AGGREGATION - A method, device and system for a cell handover in a telecommunication system supporting carrier aggregation. The method may include: a Base Station (BS) determines that whether carrier components corresponding to one or more cells to be accessed are in the same frequency band, wherein the one or more cells to be accessed belong to a target BS, and are selected by a terminal which needs to perform the cell handover and is served by the BS; if yes, the BS encapsulates configuration information of all the cells in the one or more cells to be accessed in a handover command for initiating cell handover; otherwise, the BS encapsulates configuration information of one or more cells in the one or more cells to be accessed in the handover command, and sends the handover command to the target BS. | 06-27-2013 |
20140112288 | COORDINATED SET SELECTING METHOD AND DEVICE - Disclosed are a coordinated set selecting method and device, which are applicable to a wireless communication system. The coordinated set selecting method comprises the following steps: determining a transmission manner adopted by a wireless communication system, the transmission manner being joint processing or coordinated scheduling/beamforming; and, directed to the transmission manner adopted by the wireless communication system, selecting a coordinated set according to a coordinated set selecting mechanism adapting to the transmission manner. According to the technical solution of the present invention, by considering transmission characteristics of different transmission manners, a reasonable coordinated set is selected to perform coordinated multi-point transmission. | 04-24-2014 |
20140254529 | COMMUNICATION SYSTEM FOR SUPPORTING CARRIER AGGREGATION AND METHOD AND APPARATUS FOR UPDATING SYSTEM INFORMATION THEREOF - A communication system for supporting carrier aggregation and a method and apparatus for updating system information thereof are disclosed. A method for providing system information in the communication system supporting carrier aggregation includes: when system information of said communication system changes, generating first information including information for indicating the change of system information; determining a first cell of a terminal related to the change of system information, wherein said first cell is one of cells to which said terminal connects, and corresponds to a carrier unit currently used by said terminal for keeping connection with a base station of said communication system; and transmitting said first information to said terminal through said first cell. | 09-11-2014 |
20140302854 | METHOD, BASE STATION, TERMINAL AND COMMUNICATION SYSTEM FOR SELECTING A COMPONENT CARRIER - A method, base station, terminal and communication system for selecting a component carrier are provided in the present invention. The method includes the following steps: determining the coverage range of each available carrier which can be used by the terminal; determining whether the distribution of the coverage ranges of all available carriers accords with a preset distribution mode; in the case of according with the presetting distribution mode, at least according to a rule which is determined by the distribution mode, determining a component carrier to be used. With the embodiments provided in the invention, a component carrier used by the terminal can be reasonably chosen. | 10-09-2014 |
20140334445 | METHOD, DEVICE AND SYSTEM FOR CELL HANDOVER IN TELECOMMUNICATION SYSTEM SUPPORTING CARRIER AGGREGATION - A method, device and system for a cell handover in a telecommunication system supporting carrier aggregation. The method may include: a Base Station (BS) determines that whether carrier components corresponding to one or more cells to be accessed are in the same frequency band, wherein the one or more cells to be accessed belong to a target BS, and are selected by a terminal which needs to perform the cell handover and is served by the BS; if yes, the BS encapsulates configuration information of all the cells in the one or more cells to be accessed in a handover command for initiating cell handover; otherwise, the BS encapsulates configuration information of one or more cells in the one or more cells to be accessed in the handover command, and sends the handover command to the target BS. | 11-13-2014 |
20150063263 | COMMUNICATION SYSTEM FOR SUPPORTING CARRIER AGGREGATION AND METHOD AND APPARATUS FOR UPDATING SYSTEM INFORMATION THEREOF - A communication system for supporting carrier aggregation and a method and apparatus for updating system information thereof are disclosed. A method for providing system information in the communication system supporting carrier aggregation includes: when system information of said communication system changes, generating first information including information for indicating the change of system information; determining a first cell of a terminal related to the change of system information, wherein said first cell is one of cells to which said terminal connects, and corresponds to a carrier unit currently used by said terminal for keeping connection with a base station of said communication system; and transmitting said first information to said terminal through said first cell. | 03-05-2015 |
20150063270 | METHOD AND DEVICE FOR ACTIVATING AND DE-ACTIVATING UPLINK OF SECONDARY CELL OF TERMINAL - A method and device for activating and de-activating an uplink of a secondary cell of a terminal. The method includes: determining a number of component carrier waves an RF chain of the terminal can simultaneously receive; determining an activation method to be used for uplink activation according to the number of component carrier waves; and, based on needs, sending information that carries the activation method. Using the method and device, one can determine the activation or de-activation method according to the number of the component carrier waves the terminal's RF chain can simultaneously receive, thus conserving electricity consumption of the terminal and avoiding communication interruptions. | 03-05-2015 |
Patent application number | Description | Published |
20080298673 | THREE-DIMENSIONAL DATA REGISTRATION METHOD FOR VISION MEASUREMENT IN FLOW STYLE BASED ON DOUBLE-SIDED TARGET - The present disclosure is directed to a three-dimensional data registration method for vision measurement in flow style based on a double-sided target. An embodiment of the disclosed method that comprises A. Setting up two digital cameras which can observe the entire measured object; B. Calibrating intrinsic parameters and a transformation between the two digital camera coordinate frames; C. A double-sided target being placed near the measured area of the measured object, the two digital cameras and a vision sensor taking images of at least three non-collinear feature points of the double-sided target; D. Removing the target, measuring the measured area by using the vision sensor; E. Respectively computing the three dimensional coordinates of the feature points in the global coordinate frame and in the vision sensor coordinate frame; F. Estimating the transformation from the vision sensor coordinate frame to the global coordinate frame through the three dimensional coordinates of the three or more non-collinear feature points obtained at step E, then transforming the three dimensional data of the measured area to the global coordinate frame; and G. Repeating step C, D, E, F, then completing three dimensional data registration for all measured areas. The present disclosure improves three dimensional data registration precision and efficiency. | 12-04-2008 |
20090059011 | CALIBRATION METHOD FOR STRUCTURE PARAMETERS OF STRUCTURED-LIGHT VISION SENSOR - This disclosure provides a calibration method for structure parameters of a structured-light vision sensor, which includes setting up the coordinate frames of a camera, image plane and target for calibration. The calculation of coordinates in the camera coordinate frame of stripes, projected by structured-light, on the planar target and a structured-light equation fitting according to the coordinates in the camera coordinate frame of the stripes on the planar target, by moving the planar target arbitrarily multiple times. The calibration method of the structured-light vision sensor provided by the disclosure is easy to operate and no auxiliary apparatus is needed, which can not only promote the efficiency of the calibration of structured-light, but also extend the application scope of calibration of structured-light. | 03-05-2009 |
20090112487 | Vehicle dynamic measurement device and method for comprehensive parameters of rail wear - The invention discloses a vehicle dynamic measurement device for comprehensive parameters of rail wear, which comprises a vision sensor, a computer and a milometer. A high-speed image acquisition card and a measurement module are installed in the computer. The vision sensor comprises imaging system for rail cross-section and a raster projector which can project more than one light plane perpendicular to the measured rail. The measurement module is used for calculating vertical wear, horizontal wear, the amplitude and wavelength of corrugation wear. The invention also discloses a vehicle dynamic measurement method for comprehensive parameters of rail wear. The invention can increase the sampling rate of image sensing and acquisition hardware equipment with no need of improving the performance of it, thereby satisfy high-speed on-line dynamic measurement requirements for corrugation wear, and the amplitude and wavelength of corrugation wear can be calculated more precisely. | 04-30-2009 |
20120162414 | Global Calibration Method With Apparatus Based on Rigid Bar for Multi-Sensor Vision - The present disclosure provides a global calibration method based on a rigid bar for a multi-sensor vision measurement system, comprising: step 1, executing the following procedure for at least nine times: placing, in front of two vision sensors to be calibrated, a rigid bar fasten with two targets respectively corresponding to the vision sensors; capturing images of the respective targets by their corresponding vision sensors; extracting coordinates of feature points of the respective targets in their corresponding images; and computing 3D coordinates of each feature points of the respective targets under their corresponding vision sensor coordinate frames; and Step 2, computing the transformation matrix between the two vision sensors, with the constraint of the fixed position relationship between the two targets. The present disclosure also provides a global calibration apparatus based on a rigid bar for a multi-sensor vision measurement system. Putting the present disclosure to use can increase the accuracy of the global calibration, and also be suitable for the calibration of the multi-sensor vision system in the extremely large working space, which enlarges the application range of the present disclosure. | 06-28-2012 |
20130058581 | Microscopic Vision Measurement Method Based On Adaptive Positioning Of Camera Coordinate Frame - The present disclosure provides a microscopic vision measurement method based on the adaptive positioning of the camera coordinate frame which includes: calibrating parameters of a microscopic stereo vision measurement model ( | 03-07-2013 |
20140321735 | Method and computer program product of the simultaneous pose and points-correspondences determination from a planar model - A method and software for the simultaneous pose and points-correspondences determination from a planar model are disclosed. The method includes using a coarse pose estimation algorithm to obtain two possible coarse poses, and using each one of the two coarse poses as the initialization of the extended TsPose algorithm to obtain two candidate estimated poses; selecting one from the two candidate estimated poses based on the cost function value. Thus, The method solves the problem of pose redundancy in the simultaneous pose and points-correspondences determination from a planar model, i.e., the problem that the numbers of estimated poses increase exponentially as the iterations go. The disclosed embodiment is based on the coplanar points, and does not place restriction on the shape of a planar model. It performs well in a cluttered and occluded environment, and is noise-resilient in the presence of different levels of noise. | 10-30-2014 |