Patent application number | Description | Published |
20080297817 | IMAGE FORMING APPARATUS AND COLOR CONVERTING METHOD THEREOF - An image forming apparatus including a scanning unit to scan an image and to output corresponding digital color coordinates; a determining unit to determine a local color gamut including the digital color coordinates, based on a reference matrix computed from a standard color gamut, which includes the local color gamut, and the plurality of digital color coordinates; a matrix selecting unit to select a color conversion matrix that corresponds to the determined local color gamut; and a computing unit to compute LAB color coordinates based on the selected color conversion matrix and the digital color coordinates. A method of color conversion using the image forming apparatus is also provided. | 12-04-2008 |
20090059326 | COLOR SPACE CONVERSION APPARATUS AND METHOD FOR CONTROLLING THE SAME - A color space conversion apparatus and a method of controlling the same, the color space conversion apparatus including: a first color space conversion unit to convert a first color space into a first Lab color space; a second color space conversion unit to convert a second color space into a second Lab color space; a spherical color space conversion unit to expand the first and second Lab color spaces into a spherical color space; and a spherical gamut mapping unit to perform gamut mapping between the first and second color spaces through spherical parametrization, thus avoiding problems in color reproduction caused by the lack of one-to-one correspondence between Lab color space values of the input and output devices. | 03-05-2009 |
20090091801 | IMAGE FORMING APPARATUS AND CONTROL METHOD THEREOF - An image forming apparatus and a control method thereof include an adaptive threshold, which can be adapted for every block dividing an entire scanned region of a document, is set. A brightness value of original brightness data of the document is disregarded, and is substituted by a brightness value of background color data corresponding to the block, by use of a brightness threshold and a color difference threshold set as the adaptive threshold based on difference between brightness of the blocks and difference between color differences of the blocks. Accordingly, there is no problem of back surface noise such that an undesired object of a back surface of the duplex-printed document appears on a scan image in scanning a front surface of the document. | 04-09-2009 |
20100073734 | SCANNER, IMAGE CORRECTING METHOD THEREIN, AND IMAGE FORMING APPARATUS HAVING THE SAME - A scanner including: a transparent plate; a light emitting unit that emits light to an object on the transparent plate; a sensor to form an image of the object; a focusing lens unit that is arranged on a light path between the transparent plate and the sensor, to focus light from the object onto the sensor; and a controller to determine whether a foreign substance is disposed in the light path, using the image, calculates a position of the foreign substance, and corrects the image on the basis of the calculated position of the foreign substance. | 03-25-2010 |
20140063557 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - An image forming apparatus and an image forming method are used to smoothly process an edge area of halftoning-processed binary data. The image forming apparatus may include a communication interface which receives printing data, a binarizer which performs halftoning with respect to the received printing data to generate binary data, an edge processor, and a printing engine which forms an image by using the edge-processed binary data. The edge processor calculates an edge strength of each white pixel of the generated binary data, determines edge candidates, determines whether an edge candidate is an edge, and substitutes a black pixel for a white pixel determined as an edge to perform edge processing with respect to the generated binary data. | 03-06-2014 |
Patent application number | Description | Published |
20120166394 | DISTRIBUTED STORAGE SYSTEM AND METHOD FOR STORING OBJECTS BASED ON LOCATIONS - A distributed storage system and a method for storing objects based on locations. The distributed storage system may include a plurality of data nodes, at least one selection agent, a client, and a proxy server. The plurality of data nodes may be configured to be grouped into a plurality of zone groups based on locations of the plurality of data nodes and configured to store a target object and replicas of the target object. The at least one selection agent may be configured to select multiple target zone groups and select one target data node for each one of the selected multiple target zone groups. | 06-28-2012 |
20120166403 | DISTRIBUTED STORAGE SYSTEM HAVING CONTENT-BASED DEDUPLICATION FUNCTION AND OBJECT STORING METHOD - Distributed storage system having content-based deduplication function and object storing method. The distributed storage system may include a plurality of data nodes and a server coupled with the plurality of data nodes. Each one of the plurality of data nodes may be configured to store at least one object. The server may be configured to perform a deduplication function based on a content-specific index of a target object and content-specific indexes of objects stored in the plurality of data nodes in response to an object storage request from a client, and configured to store the target object in one of the plurality of data nodes based on a result of the deduplication function performed by the server. | 06-28-2012 |
20120166611 | DISTRIBUTED STORAGE SYSTEM INCLUDING A PLURALITY OF PROXY SERVERS AND METHOD FOR MANAGING OBJECTS - A distributed storage system including a plurality of proxy server and a method for managing objects. The distributed storage system may include a plurality of data nodes, a plurality of proxy server, and a global load balancer. Each one of the plurality of data nodes may be configured to perform at least one management operation and output an operation result. Each one of the plurality of proxy servers may be configured to perform operations for controlling the plurality of data nodes to perform the at least one management operation in response to an operation request from a respective client. The global load balancer may be configured to select one proxy server from the plurality of proxy servers and allocate the selected proxy server to the respective client as the responsible proxy server. The respective client may perform the management operation through the allocated responsible proxy server. | 06-28-2012 |
20120166870 | METHOD AND APPARATUS FOR RECOVERING ERRORS IN A STORAGE SYSTEM - Apparatus and method for recovering errors from erroneous files in a storage system. In order to recover the errors from the erroneous files, each of at least three erroneous files stored in the storage system may be divided in half to form three sets of divided files. Three corresponding, portions from each of the three sets of divided files may be compared. A determination may be made as to whether at least two portions among the three corresponding portions are substantially identical. Based on the determination, substantially identical portions are determined to be non-erroneous portions. Then, a non-matched portion that is not substantially identical to the two substantially identical portions may be replaced with one of the non-erroneous portions. | 06-28-2012 |
20120173486 | SYSTEM AND METHOD FOR DYNAMICALLY SELECTING STORAGE LOCATIONS OF REPLICAS IN CLOUD STORAGE SYSTEM - System and method for dynamically selecting storage locations of replicas in cloud storage system. The cloud storage system may include a plurality of data nodes and a server. The plurality of data nodes may be geographically distributed. Each one of the plurality of data nodes may store an object and at least one replica thereof and provide stored replica to a user. The server may be coupled to the plurality of data nodes through a network. The server may migrate at least one replica according to changes of the location of the user. | 07-05-2012 |
20120259901 | DISTRIBUTED STORAGE OF DATA IN A CLOUD STORAGE SYSTEM - Provided are apparatus and method for distributedly storing an object in a plurality of data centers included in a cloud storage system. In the method, an object may be divided into a plurality of sub-objects each having a fragmentation size. Then, the sub-objects may be distributedly stored in at least one data center based on weights of the plurality of data centers. | 10-11-2012 |
20120272025 | SELECTING DATA NODES USING MLUTILPE STORAGE POLICIES IN CLOUD STORAGE SYSTEM - Provided are a method and a server for selecting data nodes for storing an object and replicas thereof in a cloud storage system having a plurality of data nodes grouped in a plurality of storage areas. The method may include selecting at least one storage area for storing the object and the replicas thereof sequentially with a locality policy, a low-cost policy, a load-balancing policy, and a space-balancing policy and selecting at least one data node from the selected at least one storage area sequentially using a load-balancing policy and a space-balancing policy. | 10-25-2012 |
20120284229 | SELECTING DATA NODES IN DISTRIBUTED STORAGE SYSTEM - The disclosure is related to selecting data nodes in a distributed storage system server may be provided in a distributed storage system including a plurality of data nodes for providing a storage service. The server may include a receiver configured to receive a replication request and a control unit configured to select data nodes based on at least one of evaluation results and real-time service statuses of the plurality of data nodes. An evaluation result of each data node may be a sum of points of at least one evaluation item assigned to each data node from evaluation of each data node according to at least one evaluating item. | 11-08-2012 |
Patent application number | Description | Published |
20090016179 | NEAR-FIELD OPTICAL DISK APPARATUS AND FOCUS PULL-IN METHOD - A near-field optical disk apparatus, which can perform stable focus pull-in even when overshoot occurs, and a focus pull-in method, of which the method includes: raising an actuator, and monitoring and determining whether light focused on a disk is near-field light; holding or storing a driving voltage of the actuator if the light focused on the disk is the near-field light; raising the actuator, and determining a maximum driving voltage of the actuator; and performing focus pull-in while lowering the actuator in an interval where a driving voltage of the actuator is between the maximum driving voltage and the held or stored driving voltage. | 01-15-2009 |
20090040906 | SIL NEAR-FIELD SYSTEM - A solid immersion lens (SIL) near-field system including: a radially polarized beam generator to generate a radially polarized beam; an SIL; an objective lens to focus the radially polarized beam on a bottom surface of the SIL; and a mask to shield a center portion of the radially polarized beam, the center portion being about an optical axis of the radially polarized beam. | 02-12-2009 |
20090059752 | OPTICAL DISC APPARATUS AND METHOD OF DRIVING THE SAME - An optical disc apparatus, and a method of driving the same, includes a light focusing element disposed to focus light emitted from a light source onto a disc; an actuator to move the light focusing element toward or away from the disc according to a voltage applied to the actuator; a light intensity detection unit to detect the intensity of light reflected from the disc ; a servo unit to generate a gap error signal and a third voltage, the third voltage being the sum of a first voltage and a second voltage, and to apply the generated third voltage to the actuator; and a control unit to control the servo unit to perform a gap pull-in operation when the light focusing element is moved toward the disc according to the gap error signal and the third voltage. | 03-05-2009 |
20090190453 | SOLID IMMERSION LENS (SIL) NEAR-FIELD SYSTEM AND METHOD OF CONTROLLING TILT - In a near-field optical recording/reproducing system and a method of controlling a tilt, the near-field optical recording/reproducing system includes: a light source; an objective lens to focus light emitted from the light source to transmit near-field light to an information storage medium; a PD (photodetector) to receive a portion of the light that is transmitted from the objective lens to the information storage medium and is reflected from the information storage medium, to detect a GES (gap error signal) used for controlling an air gap formed between the objective lens and the information storage medium; a signal processor/determiner to obtain an edge voltage using the GES detected by the PD and determine a tilt control point using the edge voltage; and an adjuster to control a relative tilt between the objective lens and the information storage medium in the tilt control position. | 07-30-2009 |
20100110863 | COMPATIBLE NEAR FIELD OPTICAL RECORDING/REPRODUCING APPARATUS - A compatible near field optical recording/reproducing apparatus includes a solid immersion lens unit including a first lens, which has an aspherical surface in which light incident from the first light source is condensed, and a second lens, which realizes a high numerical aperture via a near field effect by light condensed by the first lens and has an aspherical surface. An effective beam size-controlling device controls an effective size of a light beam transmitted to the solid immersion lens unit such that either near field light or far field light is transmitted to an information storage medium by the solid immersion lens unit and a focal point adjusting optical system adjusts a focal position of light transmitted to the information storage medium according to the type of the information storage medium. | 05-06-2010 |
20110169921 | METHOD FOR PERFORMING OUT-FOCUS USING DEPTH INFORMATION AND CAMERA USING THE SAME - A method for performing out-focus of camera having a first lens and a second lens, comprising: photographing a first image with the first lens and photographing a second image with the second lens; extracting depth information of the photographed first image and second image; and performing out-focus on the first image or the second image using the extracted depth information. | 07-14-2011 |
20110242367 | IMAGE PROCESSING METHOD AND PHOTOGRAPHING APPARATUS USING THE SAME - An image processing method and a photography apparatus using the same are provided. The image processing method includes inputting at least one image; selecting a specific region of the at least one image input; extracting a luminance value of the selected specific region; and determining a blurring degree based on the extracted luminance value and performing image processing by blurring the selected specific region using the determined blurring degree. | 10-06-2011 |
20120063253 | OPTICAL MEMORY DEVICE AND METHOD OF RECORDING/REPRODUCING INFORMATION BY USING THE SAME - An optical memory device and a method of recording/reproducing information by using the optical memory device. The optical memory device includes a substrate; a first barrier layer formed on the substrate; a quantum well layer; a second barrier layer; a quantum dot layer; and a third barrier layer. The quantum well layer has an energy band gap which is wider than that of the quantum dot layer, and the second barrier layer has an energy band gap which is wider than that of the quantum well layer, so that electrons in excitons which are generated in the quantum dot layer by light of a certain wavelength are captured by the quantum well layer to record information, and then, recorded information may be erased or reproduced by irradiating light of a certain wavelength to the optical memory device. | 03-15-2012 |
20120120202 | METHOD FOR IMPROVING 3 DIMENSIONAL EFFECT AND REDUCING VISUAL FATIGUE AND APPARATUS ENABLING THE SAME - A method and an apparatus for improving three dimensional (3D) effect of a 3D image collected by a 3D photographing apparatus, and reducing visual fatigue, are provided. A feature point of a left-eye image entering through a left-eye lens and of a right-eye image entering through a right-eye lens is acquired, a disparity between the left- and right-eye images is detected, a distance between the left- and right-eye lenses is controlled so that the disparity between the left- and right-eye images becomes a previously-set reference disparity, and at least one of the left- and right-eye images is shifted so that a convergence point is placed on an object located within the left- and right-eye images. | 05-17-2012 |
20140104391 | DEPTH SENSOR, IMAGE CAPTURE MEHOD, AND IMAGE PROCESSING SYSTEM USING DEPTH SENSOR - An image capture method performed by a depth sensor includes; emitting a first source signal having a first amplitude towards a scene, and thereafter emitting a second source signal having a second amplitude different from the first amplitude towards the scene, capturing a first image in response to the first source signal and capturing a second image in response to the second source signal, and interpolating the first and second images to generate a final image. | 04-17-2014 |
20140111423 | MOBILE SYSTEMS INCLUDING IMAGE SENSORS, METHODS OF OPERATING IMAGE SENSORS, AND METHODS OF OPERATING MOBILE SYSTEMS - A mobile system may comprise a three-dimensional (3D) image sensor on a first surface of the mobile system configured to perform a first sensing to detect proximity of a subject and a second sensing to recognize a gesture of the subject by acquiring distance information for the subject; and/or a display device on the first surface of the mobile system to display results of the first sensing and the second sensing. A mobile system may comprise a light source unit; a plurality of depth pixels; and/or a plurality of color pixels. The light source unit, the plurality of depth pixels, or the plurality of color pixels may be activated based on an operation mode of the mobile system. | 04-24-2014 |
20140118252 | METHOD OF DISPLAYING CURSOR AND SYSTEM PERFORMING CURSOR DISPLAY METHOD - A cursor displaying method that re-sizes a cursor displayed in a display field while repositioning the cursor in response to a detected user gesture. | 05-01-2014 |
20140119603 | METHODS OF AND APPARATUSES FOR RECOGNIZING MOTION OF OBJECTS, AND ASSOCIATED SYSTEMS - A method of recognizing motion of an object may include periodically obtaining depth data of a first resolution and two-dimensional data of a second resolution with respect to a scene using an image capturing device, wherein the second resolution is higher than the first resolution; determining a motion tracking region by recognizing a target object in the scene based on the depth data, such that the motion tracking region corresponds to a portion of a frame and the portion includes the target object; periodically obtaining tracking region data of the second resolution corresponding to the motion tracking region; and/or analyzing the motion of the target object based on the tracking region data. | 05-01-2014 |
Patent application number | Description | Published |
20140062864 | METHOD AND APPARATUS FOR EXTRACTING THREE-DIMENSIONAL DISTANCE INFORMATION FROM RECOGNITION TARGET - A method and apparatus for extracting three-dimensional distance information from a recognition target is provided, which enables a gesture input from a user to be correctly recognized using distance information from the recognition target, and at the same time makes it possible to efficiently save power required for detection of the gesture input. The method includes determining if a recognition target exists within a predetermined range; when the recognition target exists within the predetermined range, generating a 3D image for the recognition target; and calculating a distance to the recognition target by using the 3D image. | 03-06-2014 |
20140078311 | METHOD FOR GUIDING CONTROLLER TO MOVE TO WITHIN RECOGNIZABLE RANGE OF MULTIMEDIA APPARATUS, THE MULTIMEDIA APPARATUS, AND TARGET TRACKING APPARATUS THEREOF - Methods, systems, and devices for guiding a subject back within the recognizable visual range of a multimedia system are described. According to one of the described methods, when it is determined that the target has left the recognizable range of the multimedia system, sensor information is acquired from a portable electronic device (or controller) the user has been using to control the multimedia system, and the acquired sensor information is used to determine where the user is, relative to the recognizable range. In one example, the user is asked to make a gesture with the portable electronic device, and the sensor information concerning that gesture is used to determine the user's relative location. In another example, the sensor information recorded at the time the user left the recognizable range is used to determine the user's relative location. | 03-20-2014 |
20140096084 | APPARATUS AND METHOD FOR CONTROLLING USER INTERFACE TO SELECT OBJECT WITHIN IMAGE AND IMAGE INPUT DEVICE - A method for controlling a user interface of an apparatus to enable intuitive manipulation for an object included in an image is provided. An object with deeper depth in a rear image of the apparatus may become selectable when the user holds a user input means close to the apparatus, while an object with shallower depth in the rear image may become selectable when the user draws the user input means away from the apparatus, thereby allowing the user to intuitively select an object in the rear image. | 04-03-2014 |
20140341428 | APPARATUS AND METHOD FOR RECOGNIZING HUMAN BODY IN HYBRID MANNER - An apparatus and a method for recognizing a human body in a hybrid manner are provided. The method includes calculating body information used for recognizing a human body from an input image, detecting a region of the human body in a learning-based human body recognition manner by using the calculated body information, and tracing a movement of the detected region of the human body in a modeling-based human body recognition manner. Thereby, it is possible to quickly perform more accurate and precise recognition of the human body. | 11-20-2014 |
20140355830 | METHOD AND APPARATUS FOR PROTECTING EYESIGHT - A method and an apparatus for controlling a display in order to secure an appropriate viewing distance between a digital device and a user who is viewing the digital device is provided. Accordingly, the method determines whether an object exists within a hazardous viewing distance using a 3D camera function provided in the digital device. If it is determined that an object exists within the hazardous viewing distance, the digital device detects a face or eyes from 2D images photographed by the camera. Next, the direction of the face is determined on the basis of the detected results, and it is determined whether a user is viewing a display screen of the digital device based on the determination. If it is determined that a user is viewing a display screen of a digital device, the digital device generates a warning that the user is positioned within a hazardous viewing distance. | 12-04-2014 |
Patent application number | Description | Published |
20080275637 | System and Method for Providing Telematics Service - The telematics service providing system generates a path from the departure point to the destination based on traffic information, generates guidance information for each guidance point where a turn to a direction that is different from the current progress direction of the client is needed on the generated path, clips a vicinity map covering a predetermined area with reference to the guidance point from the total map to generate a guidance point vicinity map, converts the generated guidance point vicinity map into a format displayable by the client, and provides the converted map to the client terminal. Accordingly, confusion caused by complex crossroads or paths that need consecutive and same direction turns may be prevented, the client terminal may not need a memory for storing large-volume geographic information data, and the client may not additionally need to upgrade the geographic information data. | 11-06-2008 |
20090018765 | SYSTEM AND METHOD FOR PROVIDING ORIGIN AND DESTINATION GUIDE INFORMATION - A system for providing origin and destination guide information selects an origin position of a vehicle, and selects a destination link that is a road near the destination in consideration of a position and a type (crossroads, apartment complex, park, or superhighway) of the destination that the vehicle reaches, generates a path from origin to destination based on the selected origin link, the destination link, and real-time traffic information (or map link information), generates guide information including an adjacent map of the generated path and speech information, and provides the guide information to the vehicle terminal. According to the present invention, the system generates the optimized path from the current position to the desired destination and provides the optimized path to the user. | 01-15-2009 |