公开(公告)号：US20180131939A1

公开(公告)日：2018-05-10

申请号：US15860412

申请日：2018-01-02

Applicant: LG ELECTRONICS INC.

Inventor： Hendry HENDRY ,  Byeongmoon JEON ,  Yongjoon JEON ,  Seungwook PARK ,  Jungsun KIM ,  Joonyoung PARK ,  Jaehyun LIM ,  Naeri PARK ,  Chulkeun KIM

IPC: H04N19/13 ,  H04N21/6336 ,  H04N19/91 ,  H04N19/436 ,  H04N19/124

CPC classification number: H04N19/13 ,  H04N19/124 ,  H04N19/436 ,  H04N19/91 ,  H04N21/6336

Abstract: The present invention relates to video encoding and decoding method and apparatus, and a video encoding method according to the present invention comprises the steps of: entropy-encoding quantized transform information; and transmitting the entropy-encoded information as a bitstream, wherein the bitstream includes information indicating pieces of information to be parallel decoded in byte units.

公开(公告)号：US20180109803A1

公开(公告)日：2018-04-19

申请号：US15845770

申请日：2017-12-18

Applicant: LG ELECTRONICS INC.

Inventor： Hendry HENDRY ,  Yongjoon JEON ,  Chulkeun KIM ,  Jungsun KIM ,  Byeongmoon JEON ,  Joonyoung PARK

IPC: H04N19/44 ,  H04N19/58 ,  H04N19/176 ,  H04N19/587 ,  H04N19/105 ,  H04N19/70 ,  H04N19/157

CPC classification number: H04N19/44 ,  H04N19/105 ,  H04N19/157 ,  H04N19/172 ,  H04N19/174 ,  H04N19/176 ,  H04N19/463 ,  H04N19/513 ,  H04N19/523 ,  H04N19/573 ,  H04N19/58 ,  H04N19/587 ,  H04N19/70

Abstract: Disclosed is a video decoding method that decodes a bitstream, the method including receiving a picture parameter set (PPS) comprising at least one of first information indicating whether the same reference picture list is applied to slices comprised in a picture and second information indicating whether additional information on modification of the reference picture list is present, and deriving a construction of the reference picture list based on the PPS. Accordingly, there are provided a method and an apparatus for signaling by a picture whether the construction of the reference picture list is modified when constructing the reference picture list.

公开(公告)号：US20180063552A1

公开(公告)日：2018-03-01

申请号：US15550331

申请日：2016-02-15

Applicant: LG Electronics Inc.

Inventor： Chulkeun KIM ,  Jin HEO ,  Sehoon YEA

IPC: H04N19/82 ,  H04N19/159 ,  H04N19/61 ,  H04N19/107

CPC classification number: H04N19/82 ,  H04N19/107 ,  H04N19/139 ,  H04N19/159 ,  H04N19/176 ,  H04N19/48 ,  H04N19/593 ,  H04N19/61 ,  H04N19/91

Abstract: Disclosed is a method of decoding a video signal. The method includes extracting an intra-prediction mode of a current block from a video signal, generating a prediction block according to the intra-prediction mode, performing a transform on the prediction block, performing a filtering on the transformed prediction block using a spatial correlation coefficient, and generating a reconstruction block based on the filtered prediction block and a residual block, wherein the spatial correlation coefficient is a value determined based on a direction of the intra-prediction mode.

公开(公告)号：US20180035112A1

公开(公告)日：2018-02-01

申请号：US15550347

申请日：2016-02-03

Applicant: LG Electronics Inc.

Inventor： Chulkeun KIM ,  Junghak NAM ,  Seungwook PARK ,  Sehoon YEA

IPC: H04N19/117 ,  H04N19/196 ,  H04N19/159 ,  H04N19/82 ,  H04N19/176

CPC classification number: H04N19/117 ,  H04N19/159 ,  H04N19/176 ,  H04N19/196 ,  H04N19/523 ,  H04N19/59 ,  H04N19/70 ,  H04N19/80 ,  H04N19/82

Abstract: Disclosed is a method for decoding a video signal, including deriving position information of an integer sample within a target block, performing non-uniform interpolation filtering on the integer sample based on the position information of the integer sample, deriving an interpolation sample value according to a result of the non-uniform interpolation filtering, and obtaining a prediction sample value using the interpolation sample value, wherein the non-uniform interpolation filtering is different in at least one of a phase interval or the number of interpolation samples, the phase interval represents an interval between interpolation samples, and the number of interpolation samples represents the number of interpolation samples generated between integer samples.

公开(公告)号：US20180007377A1

公开(公告)日：2018-01-04

申请号：US15707794

申请日：2017-09-18

Applicant: LG ELECTRONICS INC.

Inventor： Jungsun KIM ,  Joonyoung PARK ,  Chulkeun KIM ,  Hendry HENDRY ,  Byeongmoon JEON

IPC: H04N19/44 ,  H04N19/503

CPC classification number: H04N19/44 ,  H04N19/124 ,  H04N19/176 ,  H04N19/184 ,  H04N19/463 ,  H04N19/503 ,  H04N19/91

Abstract: A method or coding image information, according to the present invention, comprises the steps of: binarizing according to different techniques, index values of forward prediction, backward prediction, and bidirectional prediction, depending on whether the bidirectional prediction is applied when inter-predicting a current block; and entropy coding a binarized codeword, wherein whether to apply the bidirectional prediction when inter-predicting the current block can be determined on the basis of the size of the current block. As a result, provided are a method for binarizing an inter-prediction direction of a prediction unit having a specific size, and an apparatus using same.

公开(公告)号：US20170318296A1

公开(公告)日：2017-11-02

申请号：US15651178

申请日：2017-07-17

Applicant: LG Electronics Inc.

Inventor： Hendry HENDRY ,  Jungsun KIM ,  Chulkeun KIM ,  Byeongmoon JEON ,  Sangoh JEONG

IPC: H04N19/13 ,  H04N19/174 ,  H04N19/129 ,  H04N19/112 ,  H04N19/167 ,  H04N19/91 ,  H04N19/176 ,  H04N19/70 ,  H04N19/119

CPC classification number: H04N19/13 ,  H04N19/112 ,  H04N19/119 ,  H04N19/129 ,  H04N19/167 ,  H04N19/174 ,  H04N19/176 ,  H04N19/70 ,  H04N19/91

Abstract: The present invention relates to a video encoding method, to a video decoding method, and to an apparatus using same. The video encoding method according to the present invention comprises the steps of: setting a tile and a slice for the inputted current picture; performing encoding based on the tile and the slice; and a step of transmitting the encoded video information. The current picture may include one or more tiles and one or more slices. The largest coding units (hereinafter, referred to as LCUs) in the slice may be arranged based on a tile scan.

公开(公告)号：US20170142422A1

公开(公告)日：2017-05-18

申请号：US15412143

申请日：2017-01-23

Applicant: LG ELECTRONICS INC.

Inventor： Joonyoung PARK ,  Byeongmoon JEON ,  Yongjoon JEON ,  Seungwook PARK ,  Jungsun KIM ,  Jaehyun LIM ,  Hendry HENDRY ,  Naeri PARK ,  Chulkeun KIM

IPC: H04N19/159 ,  H04N19/11

CPC classification number: H04N19/159 ,  H04N19/11 ,  H04N19/176 ,  H04N19/44 ,  H04N19/593 ,  H04N19/96

Abstract: A method for decoding an image according to the present invention comprises the steps of: receiving and decoding MPM index information for indicating an MPM candidate which is to be used as an intra prediction mode of a current block; generating an MPM candidate list containing a plurality of MPM candidates for the current block; determining the MPM candidate indicated by the decoded MPM index information as the intra prediction mode of the current block, among the plurality of the MPM candidates which constitute the MPM candidate list; and generating a prediction block corresponding to the current block by performing intra prediction for the current block based on the determined intra prediction mode.

公开(公告)号：US20150373332A1

公开(公告)日：2015-12-24

申请号：US14652655

申请日：2013-12-12

Applicant: LG ELECTRONICS INC.

Inventor： Jungsun KIM ,  Joonyoung PARK ,  Chulkeun KIM ,  Hendry HENDRY ,  Byeongmoon JEON

IPC: H04N19/136 ,  H04N19/176 ,  H04N19/70 ,  H04N19/91 ,  H04N19/159 ,  H04N19/124 ,  H04N19/60

CPC classification number: H04N19/136 ,  H04N19/119 ,  H04N19/122 ,  H04N19/124 ,  H04N19/159 ,  H04N19/176 ,  H04N19/186 ,  H04N19/60 ,  H04N19/61 ,  H04N19/70 ,  H04N19/91

Abstract: A method for decoding an image, and a device using the same are disclosed. The method for decoding an image comprises the steps of: inducing a chroma component block corresponding to a luma component block on the basis of chroma format information indicating chroma component sampling corresponding to luma component sampling; dividing the chroma component block into transformation blocks of a chroma component for transformation on the basis of division information indicating whether a first block has been divided into second blocks for transformation; and acquiring residual information on the transformation blocks of the chroma component by performing at least one of inverse transformation and inverse quantization on the basis of the transformation blocks of the chroma component.

Abstract translation: 公开了一种图像解码方法及使用该方法的装置。 用于解码图像的方法包括以下步骤：基于指示对应于亮度分量采样的色度分量采样的色度格式信息，感应与亮度分量块相对应的色度分量块; 根据表示第一块是否被划分为第二块进行变换的分割信息，将色度分量块划分为色度分量的变换块，以进行变换; 以及通过基于色度分量的变换块执行逆变换和逆量化中的至少一个来获取关于色度分量的变换块的残差信息。

公开(公告)号：US20150341650A1

公开(公告)日：2015-11-26

申请号：US14793242

申请日：2015-07-07

Applicant: LG Electronics Inc.

Inventor： Hendry HENDRY ,  Joonyoung PARK ,  Yongjoon JEON ,  Byeongmoon JEON ,  Jungsun KIM ,  Jaehyun LIM ,  Chulkeun KIM ,  Naeri PARK ,  Seungwook PARK

IPC: H04N19/436 ,  H04N19/119 ,  H04N19/174

CPC classification number: H04N19/436 ,  H04N19/119 ,  H04N19/174 ,  H04N19/70

Abstract: The present invention relates to a video encoding method, a video decoding method, and a device using the same, and the video encoding method according to the present invention comprises the steps of: specifying a tile and a slice by partitioning an inputted picture; performing encoding on the basis of the tile and the slice; and transmitting the encoded video information, wherein the picture is partitioned into one or more tiles and one or more slices, and the restrictions for parallel processing can be applied to the tiles and the slices.

Abstract translation: 视频编码方法及其使用方法技术领域本发明涉及视频编码方法，视频解码方法及使用该方法的装置，根据本发明的视频编码方法包括以下步骤：通过分割输入图像来指定瓦片和切片; 基于瓦片和切片执行编码; 并且发送编码的视频信息，其中将图像划分成一个或多个图块和一个或多个切片，并且并行处理的限制可以应用于图块和切片。

公开(公告)号：US20150071356A1

公开(公告)日：2015-03-12

申请号：US14381802

申请日：2013-02-28

Applicant: LG ELECTRONICS INC.

Inventor： Chulkeun KIM ,  Seungwook PARK ,  Jaehyun LIM ,  Yongjoon JEON ,  Joonyoung PARK ,  Naeri PARK ,  Byeongmoon JEON

IPC: H04N19/513

CPC classification number: H04N19/513 ,  H04N19/105 ,  H04N19/187 ,  H04N19/30 ,  H04N19/463 ,  H04N19/51 ,  H04N19/70

Abstract: The present invention relates to an inter-layer prediction method and an apparatus using same. The inter-layer prediction method comprises: a step of inducing inter-layer motion information from a reference layer; and a step of performing a prediction on the current block in the current layer using the inter-layer motion information. The inter-layer motion information may include an inter-layer motion vector induced from the reference layer.

Abstract translation: 本发明涉及一种层间预测方法及其使用方法。 层间预测方法包括：从参考层引起层间运动信息的步骤; 以及使用层间运动信息对当前层中的当前块执行预测的步骤。 层间运动信息可以包括从参考层引起的层间运动矢量。