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| 20090161967 | METHOD AND APPARATUS FOR OBTAINING AND PROCESSING IMAGE FEATURES - Machine-readable media, methods, apparatus and system for obtaining and processing image features are described. In some embodiments, a Gabor representation of an image may be obtained by using a Gabor filter. A region may be determined from the Gabor representation, wherein the region comprises a plurality of Gabor pixels of the Gabor representation; and, a sub-region may be determined from the region, wherein the sub-region comprises more than one of the plurality of Gabor pixels. Then, a Gabor feature may be calculated based upon a magnitude calculation related to the sub-region and the region. | 06-25-2009 |
| 20090169065 | Detecting and indexing characters of videos by NCuts and page ranking - Apparatuses, systems, and computer program products that detect and/or index characters of videos are disclosed. One or more embodiments comprise an apparatus an apparatus having a feature extraction module and a cast indexing module. The feature extraction module may extract features of a scale invariant feature transform (SIFT) for face sets of a video and the cast indexing module may detect one or more characters of the video via one or more associations of clusters of the features. Some alternative embodiments may include a cast ranking module to sort characters of the video, considering such factors as appearance times of the characters, appearance frequencies of the characters, and page rankings of the characters. The apparatus may associate or partition the clusters based on a normalized cut process, as well as detect the characters based on measures of distances of nodes associated with the features. Numerous embodiments may detect the characters based upon partitioning the clusters via solutions for eigenvalue systems for matrices of nodes of the clusters. | 07-02-2009 |
| 20090232414 | Identifying patterns in data - An image feature within image data may be identified and located from the maximum values in a Hough voting table. The Hough voting table may be generated by converting edge pixels identified with an image data into an array. The array may be read in row order with theta on the outside loop and rho on the inside loop. In some embodiments, the storage requirements for the Hough voting table may be reduced. | 09-17-2009 |
| 20090269022 | DEVICE, SYSTEM, AND METHOD FOR INDEXING DIGITAL IMAGE FRAMES - A method, apparatus and system for, for each of a plurality of image frames, assigning a pattern number to each of a set of pixel neighborhoods within the frame and assigning a relationship number to each of a plurality of sets of pattern numbers based on a probability of transitioning between different pattern numbers in the set of pattern numbers when transitioning between different pixel neighborhoods. For a subset of the plurality of frames, the subset of frames may be determined to be similar, for example, based on the similarity of the relationship numbers of the subset of the plurality of frames. Other embodiments are described and claimed. | 10-29-2009 |
| 20090285473 | METHOD AND APPARATUS FOR OBTAINING AND PROCESSING IMAGE FEATURES - Machine-readable media, methods, apparatus and system for obtaining and processing image features are described. In some embodiments, groups of training features derived from regions of training images may be trained to obtain a plurality of classifiers, each classifier corresponding to each group of training features. The plurality of classifiers may be used to classify groups of validation features derived from regions of validation images to obtain a plurality of weights, wherein each weight corresponds to each region of the validation images and indicates how important the each region of the validation images is. Then, a weight may be discarded from the plurality of weights based upon a certain criterion. | 11-19-2009 |
| 20100067863 | VIDEO EDITING METHODS AND SYSTEMS - Video editing methods and systems, including methods and systems to identify video clips having similar visual characteristics. Video clips may correspond to first and second videos, which may include a professional music video and a personal video, respectively. Identified video clips of the personal video may be combined into a new video clip, and music corresponding to visually similar video clips of the music video may be associated with the corresponding video clips of the new video. Video frames of the video clips may be characterized with respect to one or more visual features, which may include one or more of facial and/or body features, salient objects, camera motion, and image quality. Characterizations may be compared between video clips on an incremental basis. Characterization of a music video may implicitly model an underlying correlation between music rhythm and changes in visual appearance. | 03-18-2010 |
| 20120127171 | TECHNIQUES FOR RAPID STEREO RECONSTRUCTION FROM IMAGES - Stereo image reconstruction techniques are described. An image from a root viewpoint is translated to an image from another viewpoint. Homography fitting is used to translate the image between viewpoints. Inverse compositional image alignment is used to determine a homography matrix and determine a pixel in the translated image. | 05-24-2012 |
| 20120131010 | TECHNIQUES TO DETECT VIDEO COPIES - Some embodiments include a video copy detection approach based on speeded up robust features (SURF) trajectory building, local sensitive hash (LSH) indexing, and spatial-temporal-scale registration. First, interesting points' trajectories are extracted by SURF. Next, an efficient voting based spatial-temporal-scale registration approach is applied to estimate the optimal transformation parameters (shift and scale) and achieve the final video copy detection results by propagations of video segments in both spatial-temporal and scale directions. To speed up the detection speed, local sensitive hash (LSH) indexing is used to index trajectories for fast queries of candidate trajectories. | 05-24-2012 |
| 20120189197 | DEVICE, SYSTEM, AND METHOD FOR INDEXING DIGITAL IMAGE FRAMES - Methods and apparatus are disclosed to index digital frames. An example method includes identifying channel types associated with a plurality of image frames, splitting each one of the plurality of image frames into a respective color channel based on the identified channel types, applying a local binary pattern to each of the respective color channels to generate a respective pattern number, generating a spatial representation of each respective pattern number to determine transition probabilities for each channel type, and identifying a degree of similarity between the plurality of image frames based on the transition probabilities. | 07-26-2012 |
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| 20110164650 | ELECTROMAGNETIC INDUCTION MELTING FURNACE TO CONTROL AN AVERAGE NOMINAL DIAMETER OF THE TIB2 CLUSTER OF THE AL-TI-B ALLOY - An electromagnetic induction melting furnace to control an average nominal diameter of the TiB | 07-07-2011 |
| 20110192253 | METHOD FOR PURIFYING AL-TI-B ALLOY MELT - A method for purifying Al-Ti-B) alloy melt includes putting and melting industrial aluminum ingot in an electromagnetic induction smelting furnace, the melt of Al being covered by a high-temperature covering agent, and its temperature up to at about 670˜90° C.; adding material of K | 08-11-2011 |
| 20110192503 | METHOD FOR CONTROLLING VARIATIONS OF AL-TI-C ALLOY GRAIN REFINEMENT ABILITY THROUGH CONTROLLING COMPRESSION RATIO - A method for controlling variations of Al—Ti—C alloy crystal grain refinement ability through controlling a compression ratio of sectional area of Al—Ti—C alloy including: A. establishing a relationship between variations of refinement ability of Al—Ti—C alloy crystal grain and parameters of press process of the Al—Ti—C alloy; setting the parameters of press process and controlling the variation of the refinement ability of the Al—Ti—C alloy crystal grain through controlling a value of the compression ratio. | 08-11-2011 |
| 20110194584 | ELECTROMAGNETIC INDUCTION MELTING FURNACE TO CONTROL AN AVERAGE NOMINAL DIAMETER OF THE TIC CLUSTER OF THE AL-TI-C ALLOY - An electromagnetic induction melting furnace to control an average nominal diameter of the TiC cluster of the Al—Ti—C alloy includes a main body containing the melted alloy; and a multi-layer coil disposed on the main body, wherein a frequency of the alternative current of each coil of the multi-layer coil is different, and the alloy is heated by inducing a magnetic field generated by the alternative currents. The selection of the frequency and the changeable magnetic field may reduce the cohesion force between the TiC grains of the Al—Ti—C alloy to control the average nominal diameter of the TiC cluster. | 08-11-2011 |
| 20110308758 | METHOD FOR PRODUCING ALUMINUM-ZIRCONIUM-CARBON INTERMEDIATE ALLOY - The present invention discloses a method for producing an aluminum-zirconium-carbon (Al—Zr—C) intermediate alloy; the Al—Zr—C intermediate alloy has a chemical composition of 0.01% to 10% Zr, 0.01% to 0.3% C, and Al in balance; the producing method comprising the steps of: producing commercially pure aluminum, zirconium metal, and graphite material according to the weight percentages of the aluminum-zirconium-carbon intermediate alloy; the graphite is graphite powder having an average particle size of 0.074 mm to 1 mm; and the graphite powder is subjected to the following treatments: being added to the aqueous solution of KF, NaF, K2ZrF6, K2TiF6 or the combination thereof, soaked for 12 to 72 hours, filtrated or centrifuged, and dried at 80° C. to 200° C. for 12 to 24 hours; melting the commercially pure aluminum and keeping it at 700° C. to 900° C. to provide aluminum liquid, in which the prepared zirconium and the treated graphite powder are added and melted to provide an alloy solution; and keeping the alloys solution at 700° C. to 900° C. under mechanical or electromagnetic agitation and performing casting molding. The present method produces a high-quality Al—Zr—C intermediate alloy in low cost. | 12-22-2011 |
| 20120037332 | USE OF ALUMINUM-ZIRCONIUM-TITANIUM-CARBON INTERMEDIATE ALLOY IN WROUGHT PROCESSING OF MAGNESIUM AND MAGNESIUM ALLOYS - The present invention relates to the field of magnesium and magnesium alloy processing, and discloses the use of aluminum-zirconium-titanium-carbon (Al—Zr—Ti—C) intermediate alloy in wrought processing of magnesium and magnesium alloys, wherein the aluminum-zirconium-titanium-carbon intermediate alloy has a chemical composition of: 0.01% to 10% Zr, 0.01% to 10% Ti, 0.01% to 0.3% C, and Al in balance, based on weight percentage; the wrought processing is plastic molding; and the use is to refine the grains of magnesium or magnesium alloys. The present invention further discloses the method for using the aluminum-zirconium-titanium-carbon (Al—Zr—Ti—C) intermediate alloy in casting and rolling magnesium and magnesium alloys. The present invention provides an aluminum-zirconium-titanium-carbon (Al—Zr—Ti—C) intermediate alloy and the use thereof in the plastic wrought processing of magnesium or magnesium alloys as a grain refiner. The aluminum-zirconium-titanium-carbon intermediate alloy has the advantages of great ability in nucleation and good grain refining effect, and achieves the continuous and large-scale production of wrought magnesium and magnesium alloy materials. | 02-16-2012 |
| 20120037333 | METHOD FOR PREPARING ALUMINUM-ZIRCONIUM-TITANIUM-CARBON INTERMEDIATE ALLOY - The present invention discloses a method for producing an aluminum-zirconium-titanium-carbon (Al—Zr—Ti—C) intermediate alloy; the Al—Zr—Ti—C intermediate alloy comprises 0.01% to 10% Zr, 0.01% to 10% Ti, 0.01% to 0.3% C, and Al in balance; the producing method comprising the steps of: preparing commercially pure aluminum, zirconium, titanium, and graphite material according to the weight percentages of the aluminum-zirconium-titanium-carbon intermediate alloy; the graphite powder is subjected to the following treatments: being added to the aqueous solution of KF, NaF, K | 02-16-2012 |
| 20120039745 | GRAIN REFINER FOR MAGNESIUM AND MAGNESIUM ALLOYS AND METHOD FOR PRODUCING THE SAME - The present invention pertains to the field of metal alloy, and relates a grain refiner for magnesium and magnesium alloys, which is an aluminum-zirconium-carbon (Al—Zr—C) intermediate alloy, having a chemical composition of: 0.01%˜10% Zr, 0.01%˜0.3% C, and Al in balance, based on weight percentage. Also, the present invention discloses the method for preparing the grain refiner. The grain refiner according to the present invention is an intermediate alloy having great nucleation ability and in turn excellent grain refining performance for magnesium and magnesium alloys, and is industrially applicable in the casting and rolling of magnesium and magnesium alloy profiles, enabling the wide use of magnesium in industries. | 02-16-2012 |
| 20120039746 | ALUMINUM-ZIRCONIUM-TITANIUM-CARBON GRAIN REFINER FOR MAGNESIUM AND MAGNESIUM ALLOYS AND METHOD FOR PRODUCING THE SAME - The present invention pertains to the field of metal alloy, and discloses an aluminum-zirconium-titanium-carbon grain refiner for magnesium and magnesium alloys, having a chemical composition of: 0.01%˜10% Zr, 0.01%˜10% Ti, 0.01%˜0.3% C, and Al in balance, based on weight percentage. Also, the present invention discloses the method for preparing the grain refiner. The grain refiner according to the present invention is an Al—Zr—Ti—C intermediate alloy having great nucleation ability and in turn excellent grain refining performance for magnesium and magnesium alloys, and is industrially applicable in the casting and rolling of magnesium and magnesium alloy profiles, enabling the wide use of magnesium in industries. | 02-16-2012 |
| 20120039791 | POTASSIUM FLUOTITANATE MANUFACTURE AND DEVICE BACKGROUND - The invention provides a Potassium Fluotitanate (K | 02-16-2012 |
| 20120043050 | USE OF ALUMINUM-ZIRCONIUM-CARBON INTERMEDIATE ALLOY IN WROUGHT PROCESSING OF MAGNESIUM AND MAGNESIUM ALLOYS - The present invention relates to the field of magnesium and magnesium alloy processing, and discloses a use of aluminum-zirconium-carbon (Al—Zr—C) intermediate alloy in wrought processing of magnesium and magnesium alloys, wherein the aluminum-zirconium-carbon intermediate alloy has a chemical composition of: 0.01% to 10% Zr, 0.01% to 0.3% C, and Al in balance, based on weight percentage; the wrought processing is plastic molding; and the use is to refine the grains of magnesium or magnesium alloys. The present invention further discloses the method for using the aluminum-zirconium-carbon (Al—Zr—C) intermediate alloy in casting and rolling magnesium and magnesium alloys. The present invention provides an aluminum-zirconium-carbon (Al—Zr—C) intermediate alloy and the use thereof in the plastic wrought processing of magnesium or magnesium alloys as a grain refiner. The aluminum-zirconium-carbon intermediate alloy has the advantages of great ability in nucleation and good grain refining effect, and achieves the continuous and large-scale production of wrought magnesium and magnesium alloy materials. | 02-23-2012 |
| 20120118525 | METHOD FOR CONTINUIOUS AND EFFICIENT CASTING ROLL OF MAGNESIUM ALLOY PLATE - A method for continuous and efficient casting roll of magnesium alloy plates including providing plural induction furnaces, resistance furnace, casting roll and rollers; adding metal elements into the induction furnaces, the metal elements comprising Mg ingots or Mg alloy, the metal elements being smelted in the induction furnaces and then flow into the resistance furnace; controlling temperature of the Mg melt in the resistance furnace, wherein there are at least two temperature controlling areas communicated with each other, and a difference of temperatures is constant; transferring the Mg melt into biting area through a transferring pipe and modeling the mg melt into Mg plate, the temperature of the Mg melt into the biting area being 690±10° C.; Rolling the Mg plate in the rollers and each band of the rollers having a working temperature 250˜350° C., and the difference of temperature is ±10° C. | 05-17-2012 |
