WO2019050385A3 - 비디오 신호를 엔트로피 인코딩, 디코딩하는 방법 및 장치 - Google Patents

비디오 신호를 엔트로피 인코딩, 디코딩하는 방법 및 장치 Download PDF

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WO2019050385A3
WO2019050385A3 PCT/KR2018/013489 KR2018013489W WO2019050385A3 WO 2019050385 A3 WO2019050385 A3 WO 2019050385A3 KR 2018013489 W KR2018013489 W KR 2018013489W WO 2019050385 A3 WO2019050385 A3 WO 2019050385A3
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video signal
block
affine
current block
entropy encoding
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PCT/KR2018/013489
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French (fr)
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WO2019050385A2 (ko
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이재호
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엘지전자 주식회사
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Priority to US16/645,400 priority Critical patent/US11082721B2/en
Publication of WO2019050385A2 publication Critical patent/WO2019050385A2/ko
Publication of WO2019050385A3 publication Critical patent/WO2019050385A3/ko
Priority to US17/357,032 priority patent/US11700398B2/en
Priority to US18/201,473 priority patent/US20230300384A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/537—Motion estimation other than block-based
    • H04N19/54—Motion estimation other than block-based using feature points or meshes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Abstract

본 발명은, 현재 블록을 포함하는 비디오 신호에 대해 엔트로피 디코딩을 수행하는 방법에 있어서, 상기 현재 블록에 이웃하는 좌측 블록 및/또는 상측 블록의 어파인 코딩 정보 및/또는 어파인 예측 모드 정보를 유도하는 단계; 상기 좌측 블록 및/또는 상기 상측 블록의 어파인 코딩 정보 및/또는 어파인 예측 모드 정보 중 적어도 하나에 기초하여 상기 현재 블록의 어파인 예측 관련 신택스 요소의 컨텍스트 인덱스를 결정하는 단계; 및 상기 컨텍스트 인덱스에 기초하여, 상기 현재 블록의 어파인 예측 관련 신택스 요소를 엔트로피 디코딩하는 단계를 포함하는 방법을 제공한다.
PCT/KR2018/013489 2017-09-07 2018-11-07 비디오 신호를 엔트로피 인코딩, 디코딩하는 방법 및 장치 WO2019050385A2 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US16/645,400 US11082721B2 (en) 2017-09-07 2018-11-07 Method and apparatus for entropy-encoding and entropy-decoding video signal
US17/357,032 US11700398B2 (en) 2017-09-07 2021-06-24 Method and apparatus for entropy-encoding and entropy-decoding video signal
US18/201,473 US20230300384A1 (en) 2017-09-07 2023-05-24 Method and apparatus for entropy-encoding and entropy-decoding video signal

Applications Claiming Priority (4)

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US201762555053P 2017-09-07 2017-09-07
US62/555,053 2017-09-07
US201862646891P 2018-03-22 2018-03-22
US62/646,891 2018-03-22

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US16/645,400 A-371-Of-International US11082721B2 (en) 2017-09-07 2018-11-07 Method and apparatus for entropy-encoding and entropy-decoding video signal
US17/357,032 Continuation US11700398B2 (en) 2017-09-07 2021-06-24 Method and apparatus for entropy-encoding and entropy-decoding video signal

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WO2019050385A3 true WO2019050385A3 (ko) 2019-04-25

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Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019050385A2 (ko) * 2017-09-07 2019-03-14 엘지전자 주식회사 비디오 신호를 엔트로피 인코딩, 디코딩하는 방법 및 장치
CN113316939A (zh) * 2018-12-24 2021-08-27 华为技术有限公司 一种标志位的上下文建模方法及装置
KR20210128497A (ko) 2019-03-11 2021-10-26 인터디지털 브이씨 홀딩스 인코포레이티드 비디오 인코딩 및 디코딩을 위한 엔트로피 코딩
CN113678453A (zh) 2019-04-12 2021-11-19 北京字节跳动网络技术有限公司 基于矩阵的帧内预测的上下文确定
CN117499656A (zh) 2019-04-16 2024-02-02 北京字节跳动网络技术有限公司 帧内编解码模式下的矩阵推导
CN117097912A (zh) 2019-05-01 2023-11-21 北京字节跳动网络技术有限公司 基于矩阵的帧内预测的上下文编码
EP3949391A4 (en) 2019-05-01 2022-05-25 Beijing Bytedance Network Technology Co., Ltd. MATRIX-BASED INTRAPREDICTION USING FILTRATION
CN113875233B (zh) 2019-05-22 2023-12-15 北京字节跳动网络技术有限公司 使用上采样的基于矩阵的帧内预测
CN113924775B (zh) 2019-05-31 2023-11-14 北京字节跳动网络技术有限公司 基于矩阵的帧内预测中的限制的上采样
WO2020244610A1 (en) 2019-06-05 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Context determination for matrix-based intra prediction
WO2021023255A1 (en) * 2019-08-08 2021-02-11 FG Innovation Company Limited Device and method for coding video data
CN114641997A (zh) 2019-10-28 2022-06-17 北京字节跳动网络技术有限公司 基于颜色分量的语法信令通知和解析
US20230119972A1 (en) * 2021-10-01 2023-04-20 Mediatek Inc. Methods and Apparatuses of High Throughput Video Encoder

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130003827A1 (en) * 2011-06-30 2013-01-03 Kiran Misra Context initialization based on decoder picture buffer
WO2017022973A1 (ko) * 2015-08-04 2017-02-09 엘지전자 주식회사 비디오 코딩 시스템에서 인터 예측 방법 및 장치
WO2017118411A1 (en) * 2016-01-07 2017-07-13 Mediatek Inc. Method and apparatus for affine inter prediction for video coding system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108600749B (zh) * 2015-08-29 2021-12-28 华为技术有限公司 图像预测的方法及设备
WO2017147765A1 (en) * 2016-03-01 2017-09-08 Mediatek Inc. Methods for affine motion compensation
RU2696551C1 (ru) * 2016-03-15 2019-08-02 МедиаТек Инк. Способ и устройство для кодирования видео с компенсацией аффинного движения
US10560712B2 (en) * 2016-05-16 2020-02-11 Qualcomm Incorporated Affine motion prediction for video coding
US10448010B2 (en) * 2016-10-05 2019-10-15 Qualcomm Incorporated Motion vector prediction for affine motion models in video coding
US10681370B2 (en) * 2016-12-29 2020-06-09 Qualcomm Incorporated Motion vector generation for affine motion model for video coding
WO2019050385A2 (ko) * 2017-09-07 2019-03-14 엘지전자 주식회사 비디오 신호를 엔트로피 인코딩, 디코딩하는 방법 및 장치
US11877001B2 (en) * 2017-10-10 2024-01-16 Qualcomm Incorporated Affine prediction in video coding
US20190364295A1 (en) * 2018-05-25 2019-11-28 Tencent America LLC Method and apparatus for video coding
US11051025B2 (en) * 2018-07-13 2021-06-29 Tencent America LLC Method and apparatus for video coding
KR102635047B1 (ko) * 2018-09-19 2024-02-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 움직임 벡터 해상도를 가지는 어파인 모드에 대한 구문 재사용

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130003827A1 (en) * 2011-06-30 2013-01-03 Kiran Misra Context initialization based on decoder picture buffer
WO2017022973A1 (ko) * 2015-08-04 2017-02-09 엘지전자 주식회사 비디오 코딩 시스템에서 인터 예측 방법 및 장치
WO2017118411A1 (en) * 2016-01-07 2017-07-13 Mediatek Inc. Method and apparatus for affine inter prediction for video coding system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CHEN, JIANLE ET AL.: "Algorithm Description of Joint Exploration Test Model 3", JOINT VIDEO EXPLORATION TEAM (JVET) OF ITU-T SG 16 WP 3, 1 June 2016 (2016-06-01), Geneva, CH, XP030150223 *
LI, LI ET AL.: "An Efficient Four-Parameter Affine Motion Model for Video Coding", ARXIV: 1702.06297V1, 21 February 2017 (2017-02-21), pages 1 - 14 *

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WO2019050385A2 (ko) 2019-03-14
US11082721B2 (en) 2021-08-03
US11700398B2 (en) 2023-07-11
US20230300384A1 (en) 2023-09-21
US20210385505A1 (en) 2021-12-09
US20200221138A1 (en) 2020-07-09

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