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21.
公开(公告)号:US20230156212A1
公开(公告)日:2023-05-18
申请号:US17916736
申请日:2021-04-02
Applicant: LG ELECTRONICS INC.
Inventor: Chulkeun Kim , Eunyong Son , Yongjoon Jeon
IPC: H04N19/50 , H04N19/159 , H04N19/132
CPC classification number: H04N19/50 , H04N19/159 , H04N19/132
Abstract: A video transmission method according to embodiments may comprise the steps of: encoding video data; and transmitting the video data. A video reception method according to embodiments may comprise the steps of: receiving video data; and decoding the video data.
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公开(公告)号:US20210112255A1
公开(公告)日:2021-04-15
申请号:US17100011
申请日:2020-11-20
Applicant: LG ELECTRONICS INC.
Inventor: Jin Heo , Yongjoon Jeon , Sunmi Yoo , Eunyong Son , Junghak Nam
IPC: H04N19/159 , H04N19/107 , H04N19/593 , H04N19/176 , H04N19/119
Abstract: In the present invention, a method for processing an image on the basis of an intra prediction mode and an apparatus therefor are disclosed. Particularly, the method for processing an image on the basis of an intra prediction mode may comprise the steps of: partitioning a block to be processed, on the basis of an intra prediction mode of the block to be processed; and performing intra prediction for the split block to be processed, wherein the direction in which the block to be processed is split is perpendicular to the prediction direction of the intra prediction mode of the block to be processed.
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公开(公告)号:US10778985B2
公开(公告)日:2020-09-15
申请号:US15762958
申请日:2016-09-23
Applicant: LG Electronics Inc.
Inventor: Jin Heo , Eunyong Son , Junghak Nam , Seungwook Park , Sehoon Yea
IPC: G06K9/36 , G06K9/46 , H04N19/159 , H04N19/176 , H04N19/11 , H04N19/46 , H04N19/61 , H04N19/593 , H04N19/146
Abstract: An image decoding method, which is performed by a decoding apparatus, includes the steps of: deriving a frequency domain-neighboring block for a neighboring block of a current block in a spatial domain; deriving a frequency domain-prediction block for the current block by applying a prediction pattern to the frequency domain-neighboring block; generating a frequency domain-reconstructed block for the current block on the basis of the frequency domain-prediction block; and generating a reconstructed block for the current block in the spatial domain on the basis of the frequency inverse transform of the frequency domain-reconstructed block. The present invention can generate a prediction block for a current block in a frequency domain, and accordingly can more efficiently reconstruct a complex image.
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公开(公告)号:US10742988B2
公开(公告)日:2020-08-11
申请号:US15550721
申请日:2016-02-04
Applicant: LG Electronics Inc.
Inventor: Moonmo Koo , Jin Heo , Eunyong Son , Sehoon Yea , Seungwook Park , Kyuwoon Kim , Bumshik Lee
IPC: H04N19/14 , H04N19/96 , H04N19/122 , H04N19/119 , H04N19/61 , H04N19/176
Abstract: The present invention provides a method of decoding a video signal using graph-based transform comprising the steps: extracting prediction unit partition information of a current coding unit from the video signal; obtaining a graph-based transform kernel from predetermined table information based on the prediction unit partition information; and performing an inverse-transform of a transform unit using the graph-based transform kernel, wherein the graph-based transform kernel corresponds to at least one of the prediction unit partition information and an edge weight, and the edge weight is a predetermined value representing a correlation between pixels.
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公开(公告)号:US10516884B2
公开(公告)日:2019-12-24
申请号:US15123930
申请日:2015-03-05
Applicant: LG ELECTRONICS INC.
Inventor: Jin Heo , Eunyong Son , Moonmo Koo , Sehoon Yea
IPC: H04N19/119 , H04N19/176 , H04N19/147 , H04N19/117 , H04N19/124 , H04N19/13 , H04N19/159 , H04N19/513 , H04N19/61 , H04N19/96 , H04N19/70 , H04N19/54
Abstract: The present invention relates to a method for encoding/decoding a still image or a video based on a polygon unit and an apparatus for supporting the same. Particularly, a method for encoding an image based on a polygon unit may include partitioning an input image by a unit of block, determining a position of at least one point within the block, determining a position of at least one point in each side of the block, partitioning the block into at least one polygon unit using a vertex of the block, at least two points among the points determined in the side of the block, and a point determined within the block and coding the input image by a unit of the polygon unit.
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26.
公开(公告)号:US09961368B2
公开(公告)日:2018-05-01
申请号:US14396595
申请日:2013-04-24
Applicant: LG Electronics Inc.
Inventor: Jin Heo , Jiwook Jung , Sehoon Yea , Moonmo Koo , Taesup Kim , Jaewon Sung , Eunyong Son
IPC: H04N7/26 , H04N19/44 , H04N19/169 , H04N19/61 , H04N19/597 , H04N19/119 , H04N19/105 , H04N19/122 , H04N19/146 , H04N19/147 , H04N19/18 , H04N19/176 , H04N19/96 , H04N19/136
CPC classification number: H04N19/597 , H04N19/105 , H04N19/119 , H04N19/122 , H04N19/136 , H04N19/146 , H04N19/147 , H04N19/176 , H04N19/18 , H04N19/61 , H04N19/96
Abstract: The present invention variably adjusts the maximum splitting information of a conversion unit according to the type of prediction unit and the splitting information on a coding unit and selects the optimal splitting information on the conversion unit. The present invention determines the maximum splitting information on the conversion unit of a depth block by using the maximum splitting information on the conversion unit for texture data. The present invention may lower complexity without a loss in efficiency by variably adjusting the maximum splitting information on the conversion unit in consideration of the characteristics of the depth data. The present invention may lower complexity by determining the maximum splitting information on the conversion unit of the depth data by using similar characteristics between the texture data and the depth data.
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27.
公开(公告)号:US09854269B2
公开(公告)日:2017-12-26
申请号:US14441142
申请日:2013-11-07
Applicant: LG ELECTRONICS INC.
Inventor: Jin Heo , Jiwook Jung , Sehoon Yea , Moonmo Koo , Taesup Kim , Jaewon Sung , Eunyong Son
IPC: H04N7/12 , H04N19/597 , H04N13/00 , H04N19/52 , H04N19/593
CPC classification number: H04N19/597 , H04N13/00 , H04N13/161 , H04N19/52 , H04N19/593 , H04N2213/003
Abstract: The method for processing a multiview video signal according to the present invention acquires motion information generated by predictively coding a picture of a reference point, acquires motion information on a part of a block of the picture from among the motion information generated by predictively coding the picture of a non-reference point, and compresses the motion information acquired for every picture of the reference point and non-reference point and stores the compressed motion information.
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公开(公告)号:US09712819B2
公开(公告)日:2017-07-18
申请号:US14351307
申请日:2012-10-12
Applicant: LG Electronics Inc.
Inventor: Jaewon Sung , Sehoon Yea , Eunyong Son , Jiwook Jung
IPC: H04N7/12 , H04N19/597 , H04N13/00 , H04N19/52 , H04N19/96 , H04N19/527
CPC classification number: H04N13/161 , H04N19/52 , H04N19/527 , H04N19/597 , H04N19/96 , H04N2013/0085
Abstract: The present invention relates to an image encoding method and an image decoding method. An image encoding method according to the present invention comprises: a step of determining motion information of a current block; and a step of transmitting information for inducing the motion information, wherein the step of determining motion information of the current block determines the motion information of the current block by reusing motion information of a reference block.
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公开(公告)号:US09349192B2
公开(公告)日:2016-05-24
申请号:US14396686
申请日:2013-04-24
Applicant: LG ELECTRONICS INC.
Inventor: Moonmo Koo , Jiwook Jung , Sehoon Yea , Jin Heo , Taesup Kim , Jaewon Sung , Eunyong Son
CPC classification number: G06T7/2033 , G06K9/6201 , G06T7/40 , H04N5/23229 , H04N19/52 , H04N19/597
Abstract: A method for processing a video signal according to the present invention comprises the steps of: determining a motion vector list comprising at least one of a spatial motion vector, a temporal motion vector, and a mutation vector as a motion vector candidate of a target block; extracting motion vector identification information for specifying the motion vector candidate to be used as a predicted motion vector of the target block; setting the motion vector candidate corresponding to the motion vector identification information as the predicted motion vector of the target block; and performing motion compensation based on the predicted motion vector. The present invention forms the motion vector candidate and derives the motion vector of the target and derives the motion vector of the target block therefrom, thus enabling a more accurate prediction of the motion vector, and thereby reduces the amount of transmitted residual data and improves coding efficiency.
Abstract translation: 根据本发明的用于处理视频信号的方法包括以下步骤:确定包括空间运动矢量,时间运动矢量和突变矢量中的至少一个的运动矢量列表作为目标块的运动矢量候选 ; 提取用于指定要用作所述目标块的预测运动矢量的运动矢量候选的运动矢量识别信息; 将与运动矢量识别信息相对应的运动矢量候选设置为目标块的预测运动矢量; 并基于预测的运动矢量执行运动补偿。 本发明形成运动矢量候选,并导出目标的运动矢量,从而导出目标块的运动矢量,从而能够对运动矢量进行更精确的预测,从而减少发送的残留数据量并改进编码 效率。
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公开(公告)号:US20150281734A1
公开(公告)日:2015-10-01
申请号:US14433773
申请日:2013-10-04
Applicant: LG ELECTRONICS INC.
Inventor: Moonmo Koo , Jiwook Jung , Sehoon Yea , Jin Heo , Taesup Kim , Jaewon Sung , Eunyong Son
IPC: H04N19/597 , H04N13/00 , H04N19/52
CPC classification number: H04N19/597 , H04N13/161 , H04N19/43 , H04N19/436 , H04N19/52
Abstract: According to the present invention, an inter-view motion vector of a current coding unit is acquired using parallel processing information, and a motion vector of a current prediction unit in the current coding unit is acquired in parallel using the inter-view motion vector of the current coding unit. The present invention relates to a method and device for processing a video signal, wherein a motion vector prediction value of the current prediction unit is acquired by comparing output order information of a reference picture corresponding to the current prediction unit and output order information of a reference picture corresponding to a corresponding block. According to the present invention, through a parallel processing step, a multi-view point video image can be quickly restored, and the accuracy of the motion vector prediction value can be increased using motion information corresponding to the reference picture of the corresponding block of a different view point from the current prediction unit.
Abstract translation: 根据本发明,使用并行处理信息获取当前编码单元的视角间的运动矢量,并且使用视差运动矢量并行地获取当前编码单位中的当前预测单元的运动矢量 当前编码单元。 本发明涉及一种用于处理视频信号的方法和装置,其中当前预测单元的运动矢量预测值是通过比较与当前预测单元相对应的参考图像的输出顺序信息和参考的输出顺序信息来获取的 图片对应于相应的块。 根据本发明,通过并行处理步骤,可以快速恢复多视点视频图像,并且可以使用与对应的块的参考图像相对应的运动信息来增加运动矢量预测值的精度 与当前预测单元不同的观点。
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