公开(公告)号：US10021417B2

公开(公告)日：2018-07-10

申请号：US14406604

申请日：2013-06-18

Applicant: LG Electronics Inc.

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

IPC: H04N19/597 ,  H04N19/513 ,  H04N19/577 ,  H04N19/573

CPC classification number: H04N19/597 ,  H04N19/513 ,  H04N19/521 ,  H04N19/573 ,  H04N19/577

Abstract: The present invention relates to inter-view residual prediction and is characterized by obtaining residual data of a first reference block by using a motion vector of a neighboring block, obtaining residual data of a second reference block by using a reference view motion vector or a disparity vector, obtaining a residual data prediction value by using the residual data of the first reference block and the residual data of the second reference block, and coding a current texture block by using the residual data prediction value. The present invention can perform inter-view residual prediction by using a prediction value obtained using coded data of another view point belonging to the same time band to increase the accuracy of video data prediction by using a correlation between view points and reduce the amount of residual data to be transmitted, thereby improving the coding efficiency. In addition, the complexity in coding process may be reduced by adding a condition for applying the inter-view residual prediction.

公开(公告)号：US09998762B2

公开(公告)日：2018-06-12

申请号：US14759611

申请日：2014-01-09

Applicant: LG ELECTRONICS INC.

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

IPC: H04N19/597 ,  H04N13/00 ,  H04N19/70 ,  H04N19/463 ,  H04N19/59 ,  H04N19/61

CPC classification number: H04N19/597 ,  H04N13/10 ,  H04N19/463 ,  H04N19/59 ,  H04N19/61 ,  H04N19/70

Abstract: The present invention relates to a method and an apparatus for processing video signals, and more specifically, to a method and an apparatus for processing video signals which applies deformation compensation to decode a current texture block. The present invention can increase the accuracy of an inter-prediction by obtaining the position of a block within a reference picture referenced by the current texture block, by means of using deformation compensation parameter information, and obtaining a pixel value of the block within the reference picture that is obtained from a prediction value of the current texture block.

公开(公告)号：US09826239B2

公开(公告)日：2017-11-21

申请号：US14759580

申请日：2014-01-07

Applicant: LG ELECTRONICS INC.

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

IPC: H04N19/159 ,  H04N19/176 ,  H04N19/196 ,  H04N19/61 ,  H04N19/593 ,  H04N19/11 ,  H04N19/463 ,  H04N19/157

CPC classification number: H04N19/159 ,  H04N19/11 ,  H04N19/157 ,  H04N19/176 ,  H04N19/197 ,  H04N19/463 ,  H04N19/593 ,  H04N19/61

Abstract: The video signal processing method according to the present invention comprises: generating a candidate mode list of a current block on the basis of an intra-prediction mode from the spatial neighboring block of the current block; modifying the candidate mode list on the basis of an intra-prediction mode from the neighboring view of the current block; inducing the intra-prediction mode of the current block on the basis of the modified candidate mode list; and predicting the current block by using the induced intra-prediction mode.

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.

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.

公开(公告)号：US10701383B2

公开(公告)日：2020-06-30

申请号：US15737140

申请日：2016-06-16

Applicant: LG Electronics Inc.

Inventor： Junghak Nam ,  Chulkeun Kim ,  Seungwook Park ,  Sehoon Yea

IPC: H04N19/44 ,  H04N19/117 ,  H04N19/80 ,  H04N19/124 ,  H04N19/159

Abstract: Disclosed in the present invention are a method for encoding/decoding an image and a device for same. Particularly, a method for decoding an image may comprise the steps of: parsing a filter index from a bit stream outputted from an encoder; determining a filter set using the filter index, from among a plurality of filter sets belonging to a predetermined filter bank; deriving a filter coefficient based on a coefficient for filtering, defined by the filter set, which has been determined by the filter index; and applying filtering to a reconstructed image obtained using a prediction signal and a differential signal, by using the derived filter coefficient.

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.

公开(公告)号：US10419779B2

公开(公告)日：2019-09-17

申请号：US15111735

申请日：2015-09-24

Applicant: LG ELECTRONICS INC.

Inventor： Sunmi Yoo ,  Junghak Nam ,  Sehoon Yea

IPC: H04N19/597 ,  H04N13/00 ,  H04N19/70 ,  H04N19/172 ,  H04N19/176 ,  H04N13/128 ,  H04N19/174 ,  H04N13/194

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, through a first syntax, a camera parameter for switching a depth value into a disparity value; determining whether the camera parameter which applies to a previous slice or picture applies to a current slice or picture; and if the camera parameter applies to a current slice or picture, deriving a disparity value of a current block on the basis of the camera parameter. According to the present invention, slices or pictures of a certain interval may share the same camera parameter, the transmission of overlapping information may be prevented, and coding efficiency may be improved.

公开(公告)号：US10045048B2

公开(公告)日：2018-08-07

申请号：US15028905

申请日：2014-10-20

Applicant: LG ELECTRONICS INC.

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

IPC: H04N7/12 ,  H04N19/597 ,  H04N19/44 ,  H04N19/52 ,  H04N19/70

Abstract: The present invention relates to a video decoding apparatus and a method for decoding a multi-view video, and the video decoding apparatus according to the present invention comprises: an entropy-decoding unit for entropy-decoding a bitstream and outputting video information required for decoding a current block in a depth picture; a memory for saving pictures referenced when decoding the current block; and a prediction unit for inducing a prediction sample of the current block, by using motion information of a texture picture within the same view as motion information of the current block.

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.