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1. 发明申请

US20200336747A1 INTER PREDICTION MODE-BASED IMAGE PROCESSING METHOD AND DEVICE THEREFOR 审中-公开
公开(公告)号：US20200336747A1
公开(公告)日：2020-10-22
申请号：US16757631
申请日：2018-03-19
申请人： LG Electronics Inc.
发明人： Jungdong SEO
IPC分类号： H04N19/176 , H04N19/105 , H04N19/61 , H04N19/172
摘要： Disclosed are an inter prediction mode-based image processing method and a device therefor. Specifically, the inter prediction mode-based image processing method may comprise the steps of: extracting, from a bitstream received from an encoder, motion information used in the inter prediction of a current block; by using the motion information, determining an initial reference block of the current block; on the basis of the initial reference block, determining at least one additional reference block in a previously reconstructed region; and by using the initial reference block and the at least one additional reference block, generating a prediction block of the current block.

2. 发明申请

US20200107015A1 METHOD AND APPARATUS FOR DECODING IMAGE IN IMAGE CODING SYSTEM 审中-公开
公开(公告)号：US20200107015A1
公开(公告)日：2020-04-02
申请号：US16339635
申请日：2017-07-10
申请人： LG ELECTRONICS INC.
发明人： Jungdong SEO , Jaehyun LIM
IPC分类号： H04N19/105 , H04N19/176 , H04N19/139 , H04N19/573 , H04N19/172
摘要： A method for decoding an image by a decoding apparatus according to the present invention comprises the steps of: deriving first motion information of a current block in a first direction and second motion information of the current block in a second direction; deriving a first reference sample on the basis of the first motion information; deriving a second reference sample on the basis of the second motion information; deriving a first weight for the first reference sample and a second weight for the second reference sample; and generating a prediction sample of the current block by performing a weighted summation of the first and second reference samples on the basis of the first and second weights, wherein the first motion information comprises a first reference picture index and a first MV and the second motion information comprises a second reference picture index and a second MV.

3. 发明申请

US20210037238A1 IMAGE DECODING METHOD AND APPARATUS BASED ON INTER PREDICTION IN IMAGE CODING SYSTEM 有权
公开(公告)号：US20210037238A1
公开(公告)日：2021-02-04
申请号：US16766982
申请日：2018-11-27
申请人： LG ELECTRONICS INC.
发明人： Naeri PARK , Junghak NAM , Jungdong SEO , Jaeho LEE , Hyeongmoon JANG
IPC分类号： H04N19/105 , H04N19/176 , H04N19/159 , H04N19/182
摘要： An image decoding method that is performed by a decoding apparatus according to the present disclosure comprises the steps of: forming a merge candidate list based on neighbouring blocks of a current block; deriving costs with respect to merge candidates included in the merge candidate list; deriving a revised merge candidate list based on the costs with respect to the merge candidates; deriving movement information of the current block based on the revised merge candidate list; and performing prediction on the current block based on the movement information, wherein the neighbouring blocks include spatial neighbouring blocks and temporal neighbouring blocks.

4. 发明申请

US20170310993A1 MOVEMENT INFORMATION COMPRESSION METHOD AND DEVICE FOR 3D VIDEO CODING 审中-公开
公开(公告)号：US20170310993A1
公开(公告)日：2017-10-26
申请号：US15517712
申请日：2015-10-06
申请人： LG ELECTRONICS INC.
发明人： Junghak NAM , Sehoon YEA , Jungdong SEO , Sunmi YOO
IPC分类号： H04N19/597 , H04N19/513 , H04N19/44
CPC分类号： H04N19/597 , H04N13/161 , H04N19/44 , H04N19/513 , H04N19/52 , H04N2013/0081
摘要： The present invention relates to 3D video coding device and method. A decoding method according to the present invention provides a 3D video decoding method. A decoding method comprises the steps of: deriving a disparity vector with respect to a current block; deriving the location of a corresponding sample on a reference view on the basis of the disparity vector; deriving the location of a reference sample on the basis of the location of the corresponding sample; and deriving movement information of a prediction block that covers the location of the reference sample. According to the present invention, when a corresponding block in a reference view is derived by means of a disparity vector, movement information of the corresponding block can be derived in accordance with movement information compression, a buffer load of an encoder and a decoder can be reduced, and coding efficiency can be enhanced by having the amount of information being processed reduced.

5. 发明申请

US20160255369A1 VIDEO DECODING APPARATUS AND METHOD FOR DECODING MULTI-VIEW VIDEO 审中-公开
标题翻译：视频解码设备和解码多视频视频的方法
公开(公告)号：US20160255369A1
公开(公告)日：2016-09-01
申请号：US15028649
申请日：2014-10-20
申请人： LG ELECTRONICS INC.
发明人： Junghak NAM , Jungdong SEO , Sunmi YOO , Sehoon YEA , Jin HEO , Taesup KIM , Moonmo KOO
IPC分类号： H04N19/597 , H04N19/176 , H04N19/182 , H04N19/52
CPC分类号： H04N19/597 , H04N19/176 , H04N19/182 , H04N19/52
摘要： The present invention relates to a video decoding apparatus and method for decoding a multi-view video, and the method for decoding a video, according to the present invention, is the video decoding method for decoding a multi-view video, comprising the steps of: inducing video information required for decoding a current block by entropy-decoding a bitstream; inducing a first disparity vector based on a neighboring block of the current block in the same view by using the video information, inducing a second disparity vector by using the first disparity vector and a reference view depth, and inducing a third disparity vector using the difference between the first disparity vector and the second disparity vector; inducing a prediction sample of the current block by using one of the first disparity vector, the second disparity vector, or the third disparity vector; and applying filtering to a current picture which has been restored using the prediction sample.
摘要翻译：本发明涉及用于解码多视点视频的视频解码装置和方法，以及根据本发明的解码视频的方法，是用于对多视点视频进行解码的视频解码方法，包括以下步骤：：通过对比特流进行熵解码来诱导解码当前块所需的视频信息; 通过使用视频信息在同一视图中基于当前块的相邻块来诱导第一视差向量，通过使用第一视差向量和参考视图深度来诱导第二视差向量，并且使用差异来诱导第三视差矢量在第一视差矢量和第二视差矢量之间; 通过使用第一视差矢量，第二视差矢量或第三视差矢量中的一个来诱导当前块的预测采样; 并对使用预测样本恢复的当前图像应用滤波。

6. 发明申请

US20200351505A1 INTER PREDICTION MODE-BASED IMAGE PROCESSING METHOD AND APPARATUS THEREFOR 审中-公开
公开(公告)号：US20200351505A1
公开(公告)日：2020-11-05
申请号：US16097100
申请日：2016-07-05
申请人： LG Electronics Inc.
发明人： Jungdong SEO
IPC分类号： H04N19/159 , H04N19/105 , H04N19/137 , H04N19/30 , H04N19/132 , H04N19/176
摘要： The present invention discloses an inter prediction mode-based image processing method and an apparatus therefor. Specifically, a method for processing an image based on an inter prediction includes: deriving reverse motion information of a current block by using motion information of a block within a reference picture of a current picture; adding the reverse motion information to a motion information candidate list of the current block; deriving motion information of the current block from the motion information selected among motion information candidates added to the motion information candidate list; and generating a prediction block of the current block by using the motion information of the current block, in which the block within the reference picture may be specified by the reverse motion information.

7. 发明申请

US20190058881A1 METHOD FOR PROCESSING IMAGE AND APPARATUS THEREFOR 审中-公开
公开(公告)号：US20190058881A1
公开(公告)日：2019-02-21
申请号：US15767267
申请日：2016-09-22
申请人： LG ELECTRONICS INC.
发明人： Jungdong SEO , Jaehyun LIM , Naeri PARK
IPC分类号： H04N19/119 , H04N19/136 , H04N19/176 , H04N19/44
CPC分类号： H04N19/119 , H04N19/136 , H04N19/176 , H04N19/44 , H04N19/70
摘要： Disclosed are a method for processing an image and an apparatus therefor. Specifically, a method for decoding an image comprises: a step of deriving an initial block size information indicating information in which a first block, which is a basic unit for dividing an image, is divided into one or more initial blocks; a step of deriving a division information indicating information in which the initial block is divided into a plurality of second blocks in the initial block unit divided from the first block based on the initial block size information; and a step of decoding in a second block unit recursively divided from the initial block based on the division information.

8. 发明申请

US20180359468A1 IMAGE PROCESSING METHOD ON BASIS OF INTER PREDICTION MODE AND APPARATUS THEREFOR 审中-公开
公开(公告)号：US20180359468A1
公开(公告)日：2018-12-13
申请号：US15765167
申请日：2016-09-20
申请人： LG ELECTRONICS INC.
发明人： Jungdong SEO , Jaehyun LIM , Naeri PARK
IPC分类号： H04N19/105 , H04N19/593 , H04N19/59
CPC分类号： H04N19/109 , H04N19/132 , H04N19/172 , H04N19/174 , H04N19/176 , H04N19/34 , H04N19/44 , H04N19/96
摘要： Disclosed are an image processing method on the basis of an inter prediction mode and an apparatus therefor. Specifically, a method for processing an image on the basis of inter prediction may comprise the steps of reducing the bit depth of a reconstructed picture and storing the same in a reference picture buffer; re-scaling the bit depth of a reference picture of a current block in the reconstructed picture stored in the reference picture buffer; and generating a prediction block for the current block on the basis of the reference picture, the bit depth of which has been re-scaled.

9. 发明申请

US20180309987A1 FILTERING METHOD AND APPARATUS FOR IMPROVING PREDICTION IN IMAGE CODING SYSTEM 审中-公开
公开(公告)号：US20180309987A1
公开(公告)日：2018-10-25
申请号：US15768403
申请日：2016-01-25
申请人： LG ELECTRONICS INC.
发明人： Kyuwoon KIM , Jaehyun LIM , Naeri PARK , Jungdong SEO
IPC分类号： H04N19/117 , H04N19/176 , H04N19/105 , H04N19/513
CPC分类号： H04N19/117 , H04N19/105 , H04N19/176 , H04N19/503 , H04N19/513 , H04N19/82
摘要： An inter prediction method according to the present invention, which is performed by a decoding apparatus, comprises the steps of: acquiring prediction-related information and residual information from a received bitstream; performing inter prediction on a current block on the basis of the prediction-related information so as to generate prediction samples; generating a list of Wiener filter candidates on the basis of spatially neighboring blocks of the current block, and deriving Wiener filter coefficients for the current block on the basis of candidate blocks in the list of the Wiener filter candidates; filtering the prediction samples on the basis of the derived Wiener filter coefficients; deriving residual samples for the current block on the basis of the residual information; and generating a reconstructed picture on the basis of the filtered prediction samples and the residual samples. The present invention can reduce the amount of data for a residual signal and improve coding efficiency.

10. 发明申请

US20180131943A1 METHOD FOR PROCESSING VIDEO SIGNAL AND DEVICE FOR SAME 审中-公开
公开(公告)号：US20180131943A1
公开(公告)日：2018-05-10
申请号：US15570139
申请日：2016-04-27
申请人： LG Electronics Inc.
发明人： Naeri PARK , Seungwook PARK , Jaehyun LIM , Chulkeun KIM , Jungdong SEO , Sunmi YOO , Junghak NAM
IPC分类号： H04N19/159 , H04N19/139 , H04N19/126 , H04N19/122 , H04N19/96 , H04N19/109
CPC分类号： H04N19/159 , H04N19/105 , H04N19/109 , H04N19/122 , H04N19/126 , H04N19/139 , H04N19/513 , H04N19/537 , H04N19/86 , H04N19/96
摘要： The present invention relates to method and device for decoding a bitstream for a video signal, the method comprising the steps of: obtaining a predicted value for a current block on the basis of a moving vector of the current block; and restoring the current block on the basis of the predicted value for the current block. In case a particular condition is satisfied, the step of obtaining the predicted value for the current block comprises: obtaining of a first predicted value by applying, to an area located at a particular boundary of the current block, a motion vector of a neighboring block adjacent to the area; obtaining of a second predicted value by applying a motion vector of the current block to the area; and obtaining of a weighted sum by applying a first weight to the first predicted value and by applying a second weight to the second predicted value.

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