公开(公告)号：US20200236396A1

公开(公告)日：2020-07-23

申请号：US16773958

申请日：2020-01-27

Applicant: LG Electronics Inc.

Inventor： Hyeongmoon JANG ,  Eunyong SON ,  Moonmo KOO ,  Seungwook PARK ,  Yongjoon JEON

IPC: H04N19/56 ,  H04N19/176 ,  H04N19/124 ,  H04N19/503 ,  H04N19/105 ,  H04N19/70 ,  H04N19/182 ,  H04N19/513 ,  H04N19/66

Abstract: A video decoding method performed by a decoding apparatus includes the steps of: deriving control points (CP) for a current block; acquiring movement vectors for the CPs; deriving a sample unit movement vector in the current block on the basis of the acquired movement vectors; and deriving a prediction sample for the current block on the basis of the sample unit movement vector. According to the present invention, it is possible to effectively perform, through sample unit motion vectors, inter-prediction not only in a case where an image in the current block is plane-shifted but also in a case where there are various image distortions.

公开(公告)号：US20180048895A1

公开(公告)日：2018-02-15

申请号：US15552366

申请日：2016-03-16

Applicant: LG Electronics Inc.

Inventor： Yongjoon JEON ,  Seungwook PARK ,  Eunyong SON ,  Moonmo KOO

IPC: H04N19/159 ,  H04N19/139 ,  H04N19/105 ,  H04N19/196 ,  H04N19/176 ,  H04N19/167

CPC classification number: H04N19/159 ,  H04N19/105 ,  H04N19/119 ,  H04N19/139 ,  H04N19/167 ,  H04N19/176 ,  H04N19/196 ,  H04N19/197 ,  H04N19/463 ,  H04N19/70 ,  H04N19/96

Abstract: The present invention relates to a method and a device for decoding a bitstream for a video signal, the method comprising the steps of: determining whether at least one neighboring block adjacent to a current block is divided into a plurality of coding blocks within a picture including the current block; if the at least one neighboring block is not divided, obtaining, from the bitstream, flag information indicating whether parameter information for the current block is induced from one of the at least one neighboring block, and inducing the parameter information for the current block from a specific neighboring block among the at least one neighboring block, on the basis of the flag information; obtaining the parameter information for the current block from the bitstream if all of the at least one neighboring block is divided; and decoding the current block on the basis of the parameter information for the current block.

公开(公告)号：US20160073131A1

公开(公告)日：2016-03-10

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: H04N19/597 ,  H04N13/00 ,  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.

Abstract translation: 视频信号处理方法和装置技术领域本发明涉及视频信号处理方法和装置，并且能够基于预定的二值化方法获取差分深度索引信息，通过使用差分深度索引信息获取差分深度值，获取当前的深度值 通过使用差分深度值进行深度块，并且通过使用当前深度块的深度值来解码当前深度块。 本发明可以提高编码效率。

公开(公告)号：US20160050438A1

公开(公告)日：2016-02-18

申请号：US14782440

申请日：2014-04-11

Applicant: LG ELECTRONICS INC.

Inventor： Jin HEO ,  Junghak NAM ,  Jiwook JUNG ,  Sehoon YEA ,  Eunyong SON

IPC: H04N19/597 ,  H04N19/44 ,  H04N19/503 ,  H04N19/176 ,  H04N19/182

CPC classification number: H04N19/597 ,  H04N19/176 ,  H04N19/182 ,  H04N19/44 ,  H04N19/503 ,  H04N19/593

Abstract: The present invention relates to a video signal processing method and device capable of: obtaining an intra-prediction mode for a current depth block; determining a reference neighboring pixel region adjacent to the current depth block by using the intra-prediction mode; determining a first reference neighboring pixel region and a second reference neighboring pixel region; determining a first current depth block region and a second current depth block region comprised in the current depth block; obtaining a first prediction value for the first current depth block region by using the representative value of the first reference neighboring pixel region; and obtaining a second prediction value for the second current depth block region by using the representative value of the second reference neighboring pixel region.

Abstract translation: 本发明涉及一种视频信号处理方法和装置，其能够：获得当前深度块的帧内预测模式; 通过使用帧内预测模式确定与当前深度块相邻的参考相邻像素区域; 确定第一参考相邻像素区域和第二参考相邻像素区域; 确定包括在当前深度块中的第一当前深度块区域和第二当前深度块区域; 通过使用第一参考相邻像素区域的代表值来获得第一当前深度块区域的第一预测值; 以及通过使用第二参考相邻像素区域的代表值来获得第二当前深度块区域的第二预测值。

公开(公告)号：US20180310000A1

公开(公告)日：2018-10-25

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: H04N19/159 ,  H04N19/176 ,  H04N19/11 ,  H04N19/593

CPC classification number: H04N19/159 ,  H04N19/11 ,  H04N19/146 ,  H04N19/176 ,  H04N19/46 ,  H04N19/593 ,  H04N19/61

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：US20180302616A1

公开(公告)日：2018-10-18

申请号：US15569597

申请日：2016-04-22

Applicant: LG Electronics Inc.

Inventor： Eunyong SON ,  Seoungwook PARK ,  Yongjoon JEON ,  Moonmo KOO

IPC: H04N19/107 ,  H04N19/13 ,  H04N19/124 ,  H04N19/122

Abstract: A method for decoding a picture, according to the present invention, comprises the steps of: receiving split flag information and merge flag information; splitting a coding unit (CU) of one or more depths n into CUs of depth n+1, on the basis of the split flag information; generating a merged CU by combining parts of the CUs of the depth n+1, on the basis of the merge flag information; and performing a decoding procedure for generating a restoration picture, on the basis of the generated merge CU. According to the present invention, a decoding procedure can be performed by merging CUs having similar characteristics, and thus auxiliary information to be received and processed is reduced and coding efficiency is improved.

公开(公告)号：US20180249156A1

公开(公告)日：2018-08-30

申请号：US15758275

申请日：2016-09-02

Applicant: LG Electronics Inc.

Inventor： Jin HEO ,  Seungwook PARK ,  Eunyong SON ,  Naeri PARK

IPC: H04N19/105 ,  H04N19/147 ,  H04N19/176

CPC classification number: H04N19/105 ,  H04N19/103 ,  H04N19/129 ,  H04N19/139 ,  H04N19/147 ,  H04N19/176 ,  H04N19/59 ,  H04N19/70 ,  H04N19/82

Abstract: The present invention provides a method for processing an image based on a Joint inter-intra prediction mode and an apparatus for the same. Particularly, the method may include deriving a prediction mode of a current block; generating an inter-prediction block of the current block and an intra-prediction block of the current block, when the prediction mode of the current block is a Joint inter-intra prediction mode; and generating a joint inter-intra prediction block by combining the inter-prediction block and the intra-prediction block.

公开(公告)号：US20180220149A1

公开(公告)日：2018-08-02

申请号：US15750093

申请日：2016-07-15

Applicant: LG Electronics Inc.

Inventor： Eunyong SON ,  Moonmo KOO ,  Hyeongmoon JANG ,  Seungwook PARK ,  Yongjoon JEON

IPC: H04N19/513 ,  H04N19/176 ,  H04N19/159 ,  H04N19/44

Abstract: A video decoding method performed by a decoding device includes: deriving control points (CPs) for a current block; acquiring motion vectors for the CPs; deriving a sample-unit motion vector in the current block based on the acquired motion vectors; deriving a prediction sample for the current block based on the sample-unit motion vector; and generating a restoration sample based on the prediction sample, wherein coordinates of a bottom-right sample position of the current block are (0, 0), and coordinates of CP0 among the CPs are (0, 0). Inter prediction is effectively performed through sample-unit motion vectors even when an image in a current block is planarly moved and variously changed, and since motion vectors for CPs are derived based on already-decoded neighboring blocks, an amount of information for the motion vectors for the CPs and for a residual signal for the current block is reduced, improving overall coding efficiency.

公开(公告)号：US20180184082A1

公开(公告)日：2018-06-28

申请号：US15736415

申请日：2016-06-14

Applicant: LG ELECTRONICS INC.

Inventor： Sunmi YOO ,  Jin HEO ,  Yongjoon JEON ,  Eunyong SON ,  Junghak NAM

IPC: H04N19/105 ,  H04N19/159 ,  H04N19/107 ,  H04N19/176

CPC classification number: H04N19/105 ,  H04N19/107 ,  H04N19/11 ,  H04N19/159 ,  H04N19/176 ,  H04N19/593

Abstract: Disclosed are an intra prediction mode based image processing method, and an apparatus therefor. In particular, a method for processing an image on the basis of an intra prediction mode comprises the steps of: inputting, in most probable mode (MPM) candidates, intra prediction modes of a plurality of neighboring blocks which neighbor a current block, and then deriving the MPM candidates by inputting, in the MPM candidates, intra prediction modes within substitute modes consisting of a plurality of intra prediction modes, to which priorities are given, according to the priorities until the total number of MPM candidates is satisfied; deriving, from the MPM candidates, an intra prediction mode applied to the current block using an MPM index indicating a specific intra prediction mode; and generating a prediction block of the current block by applying the derived intra prediction mode.

公开(公告)号：US20180139453A1

公开(公告)日：2018-05-17

申请号：US15552160

申请日：2016-03-10

Applicant: LG Electronics Inc.

Inventor： Seungwook PARK ,  Eunyong SON ,  Yongjoon JEON ,  Moonmo KOO

IPC: H04N19/159 ,  H04N19/176 ,  H04N19/96 ,  H04N19/91

CPC classification number: H04N19/159 ,  H04N19/119 ,  H04N19/176 ,  H04N19/70 ,  H04N19/91 ,  H04N19/96

Abstract: The present invention relates to a method for decoding a bitstream for a video signal, and a device for same, and to a method including the steps of: obtaining dividing mode information, which orders a dividing technique for a current block, from the bitstream, the dividing technique including a first technique in which the current block is not divided, a second technique in which the current block is divided in a vertical direction into 2 blocks, a third technique in which the current block is divided in a horizontal direction into 2 blocks, and a fourth technique in which the current block is divided in vertical and horizontal directions into 4 blocks; obtaining prediction mode information for the current block from the bitstream and decoding the current block on the basis of the prediction mode information, when the dividing mode information orders the first technique; and repeatedly dividing the current block when the dividing mode information orders the second technique, the third technique, or the fourth technique. The present invention relates to a device for said method.