公开(公告)号：US10863181B2

公开(公告)日：2020-12-08

申请号：US15930778

申请日：2020-05-13

Applicant: Electronics and Telecommunications Research Institute ,  UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY

Inventor： Hui Yong Kim ,  Gwang Hoon Park ,  Kyung Yong Kim ,  Sang Min Kim ,  Sung Chang Lim ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim

IPC: H04N19/00 ,  H04N19/159 ,  H04N19/52 ,  H04N19/436 ,  H04N19/593 ,  H04N19/503 ,  H04N19/105 ,  H04N19/122 ,  H04N19/124 ,  H04N19/13 ,  H04N19/15 ,  H04N19/51 ,  H04N19/61 ,  H04N19/117 ,  H04N19/176

Abstract: The present invention relates to a method and device for sharing a candidate list. A method of generating a merging candidate list for a predictive block may include: producing, on the basis of a coding block including a predictive block on which a parallel merging process is performed, at least one of a spatial merging candidate and a temporal merging candidate of the predictive block; and generating a single merging candidate list for the coding block on the basis of the produced merging candidate. Thus, it is possible to increase processing speeds for coding and decoding by performing inter-picture prediction in parallel on a plurality of predictive blocks.

公开(公告)号：US10805612B2

公开(公告)日：2020-10-13

申请号：US16695666

申请日：2019-11-26

Applicant: Electronics and Telecommunications Research Institute ,  UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY

Inventor： Hui Yong Kim ,  Gwang Hoon Park ,  Kyung Yong Kim ,  Sang Min Kim ,  Sung Chang Lim ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim

IPC: H04N19/00 ,  H04N19/159 ,  H04N19/61 ,  H04N19/51 ,  H04N19/15 ,  H04N19/13 ,  H04N19/124 ,  H04N19/117 ,  H04N19/105 ,  H04N19/503 ,  H04N19/593 ,  H04N19/436 ,  H04N19/52 ,  H04N19/122 ,  H04N19/176

Abstract: The present invention relates to a method and device for sharing a candidate list. A method of generating a merging candidate list for a predictive block may include: producing, on the basis of a coding block including a predictive block on which a parallel merging process is performed, at least one of a spatial merging candidate and a temporal merging candidate of the predictive block; and generating a single merging candidate list for the coding block on the basis of the produced merging candidate. Thus, it is possible to increase processing speeds for coding and decoding by performing inter-picture prediction in parallel on a plurality of predictive blocks.

公开(公告)号：US10659811B2

公开(公告)日：2020-05-19

申请号：US16133121

申请日：2018-09-17

Applicant: Electronics and Telecommunications Research Institute ,  University-Industry Cooperation Group of Kyung Hee University

Inventor： Hui Yong Kim ,  Gwang Hoon Park ,  Kyung Yong Kim ,  Sang Min Kim ,  Sung Chang Lim ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim

IPC: H04N19/577 ,  H04N19/503 ,  H04N19/176 ,  H04N19/513 ,  H04N19/593 ,  H04N19/109 ,  H04N19/52 ,  H04N19/119 ,  H04N19/61 ,  H04N19/107 ,  H04N19/82

Abstract: According to the present invention, an image encoding apparatus comprises: a motion prediction unit which derives motion information on a current block in the form of the motion information including L0 motion information and L1 motion information; a motion compensation unit which performs a motion compensation for the current block on the basis of at least one of the L0 motion information and L1 motion information so as to generate a prediction block corresponding to the current block; and a restoration block generating unit which generates a restoration block corresponding to the current block based on the prediction block. According to the present invention, image encoding efficiency can be improved.

公开(公告)号：US20200059664A1

公开(公告)日：2020-02-20

申请号：US16662825

申请日：2019-10-24

Applicant: Electronics and Telecommunications Research Institute ,  UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY

Inventor： Hui Yong KIM ,  Sung Chang Lim ,  Jin Soo Choi ,  Jin woong Kim ,  Gwang Hoon Park ,  Kyung Yong Kim

IPC: H04N19/573 ,  H04N19/61 ,  H04N19/593 ,  H04N19/136 ,  H04N19/436 ,  H04N19/52 ,  H04N19/105

Abstract: The image decoding method according to the present invention comprises the steps of: determining the availability of a block adjacent to a current block; configuring a merge candidate list for the current block on the basis of the result of the determined availability; and performing motion compensation for the current block on the basis of the merge candidate list, wherein the step of determining availability comprises the steps of inducing block availability information on the adjacent block and inducing the availability of motion information on the adjacent block, and the step of determining the availability of the adjacent block is such that when there is more than one adjacent block, the availability of adjacent blocks can be determined in accordance with a predetermined order restriction.

公开(公告)号：US10341666B2

公开(公告)日：2019-07-02

申请号：US16018522

申请日：2018-06-26

Applicant: Electronics and Telecommunications Research Institute ,  UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY

Inventor： Hui Yong Kim ,  Gwang Hoon Park ,  Kyung Yong Kim ,  Sang Min Kim ,  Sung Chang Lim ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim

IPC: H04N19/52 ,  H04N19/503 ,  H04N19/593 ,  H04N19/159 ,  H04N19/436 ,  H04N19/105 ,  H04N19/117 ,  H04N19/122 ,  H04N19/124 ,  H04N19/13 ,  H04N19/15 ,  H04N19/51 ,  H04N19/61 ,  H04N19/176

Abstract: The present invention relates to a method and device for sharing a candidate list. A method of generating a merging candidate list for a predictive block may include: producing, on the basis of a coding block including a predictive block on which a parallel merging process is performed, at least one of a spatial merging candidate and a temporal merging candidate of the predictive block; and generating a single merging candidate list for the coding block on the basis of the produced merging candidate. Thus, it is possible to increase processing speeds for coding and decoding by performing inter-picture prediction in parallel on a plurality of predictive blocks.

公开(公告)号：US10178393B2

公开(公告)日：2019-01-08

申请号：US15288909

申请日：2016-10-07

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION ,  UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY

Inventor： Hae Chul Choi ,  Se Yoon Jeong ,  Sung-Chang Lim ,  Jin Soo Choi ,  Jin Woo Hong ,  Dong Gyu Sim ,  Seoung-Jun Oh ,  Chang-Beom Ahn ,  Gwang Hoon Park ,  Seung Ryong Kook ,  Sea-Nae Park ,  Kwang-Su Jeong

IPC: G06K9/36 ,  H04N19/159 ,  H04N19/11 ,  H04N19/124 ,  H04N19/132 ,  H04N19/44 ,  H04N19/50 ,  H04N19/587 ,  H04N19/593 ,  H04N19/61 ,  H04N19/625 ,  H04N19/70 ,  H04N19/91 ,  H04N19/147 ,  H04N19/176 ,  H04N19/182 ,  H04N19/51 ,  H04N19/615 ,  H04N19/105 ,  H04N19/117 ,  H04N19/43 ,  H04N19/172

Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.

公开(公告)号：US10136157B2

公开(公告)日：2018-11-20

申请号：US15706884

申请日：2017-09-18

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY

Inventor： Hui Yong Kim ,  Gwang Hoon Park ,  Kyung Yong Kim ,  Sang Min Kim ,  Sung Chang Lim ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim

IPC: H04N19/577

Abstract: According to the present invention, an image encoding apparatus comprises: a motion prediction unit which derives motion information on a current block in the form of the motion information including L0 motion information and L1 motion information; a motion compensation unit which performs a motion compensation for the current block on the basis of at least one of the L0 motion information and L1 motion information so as to generate a prediction block corresponding to the current block; and a restoration block generating unit which generates a restoration block corresponding to the current block based on the prediction block. According to the present invention, image encoding efficiency can be improved.

公开(公告)号：US10038907B2

公开(公告)日：2018-07-31

申请号：US15814030

申请日：2017-11-15

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY

Inventor： Hui Yong Kim ,  Gwang Hoon Park ,  Kyung Yong Kim ,  Sang Min Kim ,  Sung Chang Lim ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim

IPC: H04N19/00 ,  H04N19/159 ,  H04N19/122 ,  H04N19/436 ,  H04N19/124 ,  H04N19/176

Abstract: The present invention relates to a method and device for sharing a candidate list. A method of generating a merging candidate list for a predictive block may include: producing, on the basis of a coding block including a predictive block on which a parallel merging process is performed, at least one of a spatial merging candidate and a temporal merging candidate of the predictive block; and generating a single merging candidate list for the coding block on the basis of the produced merging candidate. Thus, it is possible to increase processing speeds for coding and decoding by performing inter-picture prediction in parallel on a plurality of predictive blocks.

公开(公告)号：US09832462B2

公开(公告)日：2017-11-28

申请号：US15584367

申请日：2017-05-02

Applicant: Electronics and Telecommunications Research Institute ,  University—Industry Cooperation Group of Kyung Hee University

Inventor： Hui Yong Kim ,  Gwang Hoon Park ,  Kyung Yong Kim ,  Sang Min Kim ,  Sung Chang Lim ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim

IPC: H04N19/105 ,  H04N19/139 ,  H04N19/159 ,  H04N19/176 ,  H04N19/513 ,  H04N19/172

CPC classification number: H04N19/105 ,  H04N19/103 ,  H04N19/124 ,  H04N19/136 ,  H04N19/139 ,  H04N19/159 ,  H04N19/172 ,  H04N19/176 ,  H04N19/503 ,  H04N19/513 ,  H04N19/52

Abstract: The present invention relates to a method and apparatus for setting a reference picture index of a temporal merging candidate. An inter-picture prediction method using a temporal merging candidate can include the steps of: determining a reference picture index for a current block; and inducing a temporal merging candidate block of the current block and calculating a temporal merging candidate from the temporal merging candidate block, wherein the reference picture index of the temporal merging candidate can be calculated regardless of whether a block other than the current block is decoded. Accordingly, a video processing speed can be increased and video processing complexity can be reduced.

公开(公告)号：US09641845B2

公开(公告)日：2017-05-02

申请号：US15254847

申请日：2016-09-01

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY

Inventor： Hui Yong Kim ,  Sung Chang Lim ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim ,  Gwang Hoon Park ,  Kyung Yong Kim

IPC: G06K9/36 ,  H04N19/119 ,  H04N19/176 ,  H04N19/70 ,  H04N19/122 ,  H04N19/129 ,  H04N19/136 ,  H04N19/61 ,  H04N19/159 ,  H04N19/593 ,  H04N19/625 ,  H04N19/124

CPC classification number: H04N19/129 ,  H04N19/119 ,  H04N19/122 ,  H04N19/124 ,  H04N19/136 ,  H04N19/157 ,  H04N19/159 ,  H04N19/176 ,  H04N19/44 ,  H04N19/593 ,  H04N19/61 ,  H04N19/625 ,  H04N19/70

Abstract: A method and a device for encoding/decoding images are disclosed. The method for encoding images comprises the steps of: deriving a scan type of a residual signal for a current block according to whether or not the current block is a transform skip block; and applying the scan type to the residual signal for the current block, wherein the transform skip block is a block to which transform for the current block is not applied and is specified on the basis of information indicating whether or not transform for the current block is to be applied.