公开(公告)号：US10659758B2

公开(公告)日：2020-05-19

申请号：US15652078

申请日：2017-07-17

Applicant: LG ELECTRONICS INC.

Inventor： Jaewon Sung ,  Sehoon Yea ,  Eunyong Son ,  Jiwook Jung

IPC: H04N13/161 ,  H04N19/52 ,  H04N19/96 ,  H04N19/527 ,  H04N19/597 ,  H04N13/00

Abstract: A video decoding method that includes: receiving information for deriving motion information of a current block; deriving the motion information of the current block based on the received information for deriving the motion information; and performing prediction to generate predicted pixels of the current block based on the motion information of the current block, wherein the motion information of the current block is determined by using motion information of a reference block, wherein the reference block is determined based on a specific disparity vector, wherein the specific disparity vector is determined for an area in a picture to which the current block belongs, wherein the area which the specific disparity vector is determined is split based on a quad tree structure, and wherein the current block is a block of a texture picture and the reference block is a block in a reference view is disclosed.

公开(公告)号：US10567755B2

公开(公告)日：2020-02-18

申请号：US15324305

申请日：2015-07-06

Applicant: LG ELECTRONICS INC.

Inventor： Eunyong Son ,  Sehoon Yea

IPC: H04N19/105 ,  H04N19/117 ,  H04N19/44 ,  H04N19/137 ,  H04N19/176 ,  H04N19/18

Abstract: The present invention relates to a method for decoding a video signal, and an apparatus therefor, the method comprising the steps of: obtaining at least one first reference sample from a first reference picture which is different from a picture containing a current block; generating a first reference sample which is filtered by applying a filter to the obtained first reference sample; generating a reference sample array from the difference between the obtained first reference sample and the filtered first reference sample; obtaining first disparity vector information from the video signal; obtaining a first prediction sample from the generated reference sample array on the basis of the first disparity vector information; and restoring the current block on the basis of the first prediction sample.

公开(公告)号：US10397611B2

公开(公告)日：2019-08-27

申请号：US15510807

申请日：2015-09-07

Applicant: LG Electronics Inc.

Inventor： Sunmi Yoo ,  Jungdong Seo ,  Junghak Nam ,  Sehoon Yea

IPC: H04N19/597 ,  H04N19/50 ,  H04N19/176 ,  H04N19/70 ,  H04N19/105 ,  H04N19/593 ,  H04N19/146

Abstract: The present invention relates to a device and a method for coding a 3D video, a decoding method, according to the present invention, comprising the steps of: receiving a single depth mode (SDM) flag information indicating whether the SDM is applied to a current block; and if the SDM is applied to the current block, generating a prediction sample on the basis of a first candidate and a second candidate derived by using spatial neighboring reference samples of the current block, wherein the number of the spatial neighboring reference samples is two, and among the neighboring reference samples, the first neighboring reference sample is positioned on the left side of the current block, and the second neighboring reference sample is positioned on the upper side of the current block. According to the present invention, the current block may be predicted on the basis of one representative value derived by using the predetermined neighboring reference sample, and the complexity of an operation may be decreased, and coding efficiency may be increased.

公开(公告)号：US20180288409A1

公开(公告)日：2018-10-04

申请号：US15764685

申请日：2016-09-30

Applicant: LG ELECTRONICS INC.

Inventor： Jin Heo ,  Eunyong Son ,  Jaeho Lee ,  Seungwook PARK ,  Sehoon Yea ,  Junghak Nam

IPC: H04N19/105 ,  H04N19/124 ,  H04N19/176 ,  H04N19/44 ,  H04N19/61 ,  H04N19/18

CPC classification number: H04N19/105 ,  H04N19/119 ,  H04N19/124 ,  H04N19/129 ,  H04N19/14 ,  H04N19/176 ,  H04N19/18 ,  H04N19/44 ,  H04N19/61 ,  H04N19/70 ,  H04N19/90

Abstract: An image decoding method according to the present invention comprises the steps of: deriving quantized transform coefficients by unit of sub-blocks in a transform unit on the basis of residual information included in a bitstream; deriving transform coefficients on the basis of the quantized transform coefficients; generating a residual sample on the basis of the transform coefficients; generating a prediction sample on the basis of an inter prediction or an intra prediction; and restoring an image on the basis of the residual sample and the prediction sample. According to the present invention, a quantity of data required for a residual signal can be reduced, and an overall coding efficiency can be improved.

公开(公告)号：US10080030B2

公开(公告)日：2018-09-18

申请号：US14783345

申请日：2014-04-11

Applicant: LG ELECTRONICS INC.

Inventor： Jin Heo ,  Taesup Kim ,  Jiwook Jung ,  Sehoon Yea

IPC: H04N7/12 ,  H04N19/513 ,  H04N19/597 ,  H04N19/52 ,  H04N19/176 ,  H04N19/44

CPC classification number: H04N19/513 ,  H04N19/176 ,  H04N19/44 ,  H04N19/52 ,  H04N19/597

Abstract: The present invention relates to a video signal processing method and device capable of: obtaining a reference view block by using a predetermined motion vector; obtaining the depth value of a reference block which corresponds to the reference view block; obtaining an inter-view motion vector for a current block by using at least one depth value of the reference depth block; and decoding the current block by using the inter-view motion vector.

公开(公告)号：US10070147B2

公开(公告)日：2018-09-04

申请号：US15028806

申请日：2014-10-20

Applicant: LG ELECTRONICS INC.

Inventor： Taesup Kim ,  Sehoon Yea ,  Jin Heo ,  Jungdong Seo ,  Sunmi Yoo ,  Junghak Nam

IPC: H04N19/597 ,  H04N19/176 ,  H04N19/119 ,  H04N19/513 ,  H04N19/137 ,  H04N19/105 ,  H04N19/139

Abstract: The present invention relates to a method for constituting a merge candidate list by using a view synthesis prediction (VSP) and the like in multi-view video coding. The method for constituting the merge candidate list according to the present invention comprises the steps of: determining a prediction mode for a current block; inducing, as a merge candidate, motion information from neighboring blocks of the current block when the prediction mode for the current block is a merge mode or a skip mode; and constituting the merge candidate list by using the motion information of the neighboring blocks and the deep parity information induced from the neighboring blocks of the current block.

公开(公告)号：US10063887B2

公开(公告)日：2018-08-28

申请号：US15028649

申请日：2014-10-20

Applicant: LG ELECTRONICS INC.

Inventor： Junghak Nam ,  Jungdong Seo ,  Sunmi Yoo ,  Sehoon Yea ,  Jin Heo ,  Taesup Kim ,  Moonmo Koo

IPC: H04N19/52 ,  H04N19/597 ,  H04N19/176 ,  H04N19/182

CPC classification number: H04N19/597 ,  H04N19/176 ,  H04N19/182 ,  H04N19/52

Abstract: A method 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.

公开(公告)号：US09955166B2

公开(公告)日：2018-04-24

申请号：US14433585

申请日：2013-10-04

Applicant: LG ELECTRONICS INC.

Inventor： Taesup Kim ,  Jin Heo ,  Jiwook Jung ,  Sehoon Yea

IPC: H04N19/139 ,  H04N19/119 ,  H04N19/167 ,  H04N19/597 ,  H04N19/463 ,  H04N19/122 ,  H04N19/176 ,  H04N19/182 ,  H04N19/82

CPC classification number: H04N19/139 ,  H04N19/119 ,  H04N19/122 ,  H04N19/167 ,  H04N19/176 ,  H04N19/182 ,  H04N19/463 ,  H04N19/597 ,  H04N19/82

Abstract: The present invention relates to a method for processing a video signal and a video decoder, wherein an offset parameter of a reference block is acquired, an offset parameter of a current block is acquired by using the offset parameter of the reference block, an adaptive parameter is applied to the current block by using the offset parameter of the current block, and the reference block is a block in a different view point from the current block. According to the present invention, an accurate adaptive parameter can be applied to the current block by using an offset parameter of a reference view point in consideration of a difference between view points when obtaining the offset parameter of the current block.

公开(公告)号：US09894385B2

公开(公告)日：2018-02-13

申请号：US14758866

申请日：2014-01-02

Applicant: LG ELECTRONICS INC.

Inventor： Jin Heo ,  Jiwook Jung ,  Sehoon Yea ,  Moonmo Koo ,  Taesup Kim ,  Jaewon Sung ,  Eunyong Son

IPC: H04N13/00 ,  H04N5/917 ,  H04N19/597 ,  H04N19/44

CPC classification number: H04N19/597 ,  H04N13/128 ,  H04N13/161 ,  H04N19/44 ,  H04N2213/003

Abstract: The present invention relates to a video signal processing method and device and is capable of acquiring differential depth index information on the basis of a predetermined binarization method, acquiring a differential depth value by using the differential depth index information, acquiring the depth value of a current depth block by using the differential depth value, and decoding the current depth block by using the depth value of the current depth block. The present invention can increase encoding efficiency.

公开(公告)号：US09781442B2

公开(公告)日：2017-10-03

申请号：US14428604

申请日：2013-09-13

Applicant: LG ELECTRONICS INC.

Inventor： Jaewon Sung ,  Sehoon Yea ,  Moonmo Koo ,  Jin Heo ,  Taesup Kim ,  Jiwook Jung ,  Eunyong Son

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/52 ,  H04N19/597 ,  H04N19/593 ,  H04N19/56

CPC classification number: H04N19/52 ,  H04N19/56 ,  H04N19/593 ,  H04N19/597

Abstract: The present invention relates to a method and an apparatus for processing a video signal. The method comprises: acquiring an inter-view motion vector from a neighboring block of a current texture block; and decoding the current texture block using the acquired inter-view motion vector. The neighboring block includes a spatial neighboring block and a temporal neighboring block. The acquired inter-view motion vectors are compared with each other to determine the inter-view motion vector of the current texture block. The method and apparatus of the present invention may reduce the complexity for acquiring an inter-view motion vector and improve the accuracy of inter-view inter prediction.