By Separate Coding Of Pixel Blocks (epo) Patents (Class 375/E7.266)
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Patent number: 12047602Abstract: An image encoding apparatus comprises a selector configured to select, from a set of candidate prediction operations each defining at least a prediction direction, a prediction operation for prediction of samples of a current region of a current image, the current region comprising an array of two or more rows and two or more columns of samples; and an intra-image predictor configured to interpolate predicted samples of the current region with respect to one or more of a group of reference samples being samples decoded from previously encoded samples of the current image, the group of reference samples being selected in dependence upon a prediction direction, defined by the selected prediction operation, between a current sample to be predicted and a reference position amongst the reference samples, in which the intra-image predictor is configured to apply an interpolation process to the group of reference samples in order to generate each predicted sample; in which the intra-image predictor is configured toType: GrantFiled: June 24, 2020Date of Patent: July 23, 2024Assignee: Sony Group CorporationInventors: Stephen Mark Keating, Karl James Sharman, Adrian Browne
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Patent number: 12047698Abstract: The memory control unit 12 causes a memory unit 13 to store input image data divided into a first block having pixel data of a predetermined number of pixels in a line direction for a plurality of lines, a second block having pixel data of a predetermined number of pixels following the first block in the line direction for a plurality of lines including a part of the lines of the first block, and a third block having pixel data of a predetermined number of pixels following in the line direction for a plurality of lines including a line different from the line included in the second block in the first block.Type: GrantFiled: July 15, 2020Date of Patent: July 23, 2024Assignee: SONY GROUP CORPORATIONInventor: Ryuichiro Nitta
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Patent number: 11968373Abstract: Provided are methods and apparatuses for improving compression efficiency in directional intra-prediction. A video encoding apparatus, which does not need to record intra mode information, includes a mode selector that selects one from among a plurality of intra modes on the basis of a directionality of at least one neighboring block that has already been reconstructed before a current block is reconstructed, an intra predictor that obtains a prediction block of the current block from the at least one neighboring block according to the directionality of the selected mode, and obtains a residual block by subtracting the prediction block from the current block, and a unit for encoding the obtained residual block.Type: GrantFiled: August 20, 2021Date of Patent: April 23, 2024Assignee: IDEAHUB INC.Inventors: Je Chang Jeong, Soon Jong Jin, Sang Jun Park, Hyuk Lee
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Patent number: 11955047Abstract: The present disclosure relates to the field of display technology, and provides a display panel and a driving method thereof, a compensation data compression method and a compensation data decompression method. The display panel includes a data compression unit and a data decompression unit. The data compression unit is used to acquire a plurality of first compensation data and a common parameter, and compress each of the first compensation data into second compensation data according to a preset compression rule based on the first compensation data and the common parameter. The data decompression unit is used to acquire a plurality of second compensation data and the common parameter, and decompress each of the second compensation data into the first compensation data according to a preset decompression rule based on the second compensation data and the common parameter.Type: GrantFiled: January 22, 2021Date of Patent: April 9, 2024Assignees: Hefei BOE Joint Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventor: Song Meng
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Patent number: 11954823Abstract: A method and system for reconstructing magnetic resonance (MR) images, the method including the steps of: receiving an under-sampled MR image, the under-sampled MR image being transformed from under-sampled k-spaced data; classifying intensity of each pixel in the under-sampled MR image to one of a plurality of predetermined quantized values of intensity by using a neural network; and generating a reconstructed MR image based on the classified quantized value of the intensity for each pixel in the under-sampled MR image.Type: GrantFiled: May 14, 2019Date of Patent: April 9, 2024Assignee: Monash UniversityInventors: Kamlesh Pawar, Zhaolin Chen, Nadim Joni Shah, Gary Francis Egan
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Patent number: 11792427Abstract: Conventional intra-prediction uses pixels from left and upper neighbour blocks to predict a macroblock (MB). Thus, the MBs must be sequentially processed, since reconstructed left and upper MBs must be available for prediction. In an improved method for encoding Intra predicted MBs, a MB is encoded in two steps: first, a first portion of the MB is encoded independently, without references outside the MB. Pixels of the first portion can be Intra predicted using DC mode. Then, the first portion is reconstructed. The remaining pixels of the MB, being a second portion, are intra predicted from the reconstructed pixels of the first portion and then reconstructed. The first portion comprises at least one column or one row of pixels of the MB. The encoding is applied to at least two Intra predicted MBs per slice, or per picture if no slices are used.Type: GrantFiled: December 6, 2021Date of Patent: October 17, 2023Assignee: INTERDIGITAL VC HOLDINGS, INC.Inventor: Yu Wen Wu
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Patent number: 11575934Abstract: Several improvements for use with Bidirectionally Predictive (B) pictures within a video sequence are provided. In certain improvements Direct Mode encoding and/or Motion Vector Prediction are enhanced using spatial prediction techniques. In other improvements Motion Vector prediction includes temporal distance and subblock information, for example, for more accurate prediction. Such improvements and other presented herein significantly improve the performance of any applicable video coding system/logic.Type: GrantFiled: February 10, 2022Date of Patent: February 7, 2023Assignee: Microsoft Technology Licensing, LLCInventors: Alexandros Tourapis, Shipeng Li, Feng Wu
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Patent number: 8804825Abstract: A method for encoding pictures within a groups of pictures using prediction, where a first reference picture from a group of pictures and a second reference pictures from the subsequent group of pictures are used in predicting pictures in the group of pictures associated with the first reference picture. A plurality of anchor pictures in the group of pictures associated with the first reference picture may be predicted using both the first and second reference pictures to ensure a smooth transition between different groups of pictures within a video frame.Type: GrantFiled: January 11, 2006Date of Patent: August 12, 2014Assignee: Broadcom CorporationInventors: Ashish Koul, Douglas Chin
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Patent number: RE41383Abstract: A method for padding interlaced texture information on a reference VOP to perform a motion estimation detects whether said each texture macroblock of the reference VOP is a boundary block or not. After the undefined texture pixels of the boundary block are extrapolated from the defined texture pixels thereof by using a horizontal repetitive padding, a transparent row padding and a transparent field padding sequentially, an undefined adjacent block is expanded based on the extrapolated boundary block.Type: GrantFiled: June 2, 2008Date of Patent: June 22, 2010Assignee: Daewoo Electronics Corp.Inventor: Sang-Hoon Lee
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Patent number: RE41951Abstract: A method for padding interlaced texture information on a reference VOP to perform a motion estimation detects whether said each texture macroblock of the reference VOP is a boundary block or not. After the undefined texture pixels of the boundary block are extrapolated from the defined texture pixels thereof by using a horizontal repetitive padding, a transparent row padding and a transparent field padding sequentially, an undefined adjacent block is expanded based on the extrapolated boundary block.Type: GrantFiled: June 2, 2008Date of Patent: November 23, 2010Assignee: Daewood Electronics Corp.Inventor: Sang-Hoon Lee
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Patent number: RE43060Abstract: A method for padding interlaced texture information on a reference VOP to perform a motion estimation detects whether said each texture macroblock of the reference VOP is a boundary block or not. After the undefined texture pixels of the boundary block are extrapolated from the defined texture pixels thereof by using a horizontal repetitive padding, a transparent row padding and a transparent field padding sequentially, an undefined adjacent block is expanded based on the extrapolated boundary block.Type: GrantFiled: June 20, 2010Date of Patent: January 3, 2012Assignee: Daewoo Electronics CorporationInventor: Sang-Hoon Lee
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Patent number: RE43061Abstract: A method for padding interlaced texture information on a reference VOP to perform a motion estimation detects whether said each texture macroblock of the reference VOP is a boundary block or not. After the undefined texture pixels of the boundary block are extrapolated from the defined texture pixels thereof by using a horizontal repetitive padding, a transparent row padding and a transparent field padding sequentially, an undefined adjacent block is expanded based on the extrapolated boundary block.Type: GrantFiled: June 20, 2010Date of Patent: January 3, 2012Assignee: Daewoo Electronics CorporationInventor: Sang-Hoon Lee
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Patent number: RE43130Abstract: A method for padding interlaced texture information on a reference VOP to perform a motion estimation detects whether said each texture macroblock of the reference VOP is a boundary block or not. After the undefined texture pixels of the boundary block are extrapolated from the defined texture pixels thereof by using a horizontal repetitive padding, a transparent row padding and a transparent field padding sequentially, an undefined adjacent block is expanded based on the extrapolated boundary block.Type: GrantFiled: June 20, 2010Date of Patent: January 24, 2012Assignee: Daewoo Electronics CorporationInventor: Sang-Hoon Lee