KR20220003095A - 동화상 부호화 장치, 동화상 부호화 방법, 동화상 복호 장치, 동화상 복호 방법 - Google Patents

동화상 부호화 장치, 동화상 부호화 방법, 동화상 복호 장치, 동화상 복호 방법 Download PDF

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KR20220003095A
KR20220003095A KR1020217039726A KR20217039726A KR20220003095A KR 20220003095 A KR20220003095 A KR 20220003095A KR 1020217039726 A KR1020217039726 A KR 1020217039726A KR 20217039726 A KR20217039726 A KR 20217039726A KR 20220003095 A KR20220003095 A KR 20220003095A
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block
prediction
unit
motion vector
encoding
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토루 구마쿠라
시게루 후쿠시마
히데키 다케하라
히로야 나카무라
사토루 사카즈메
히로유키 구라시게
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가부시키가이샤 제이브이씨 켄우드
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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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/134—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
    • 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
    • H04N19/70—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
    • H04N19/10—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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • 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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020217039726A 2019-06-25 2020-06-25 동화상 부호화 장치, 동화상 부호화 방법, 동화상 복호 장치, 동화상 복호 방법 Ceased KR20220003095A (ko)

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JPJP-P-2019-117516 2019-06-25
JP2019117516 2019-06-25
PCT/JP2020/024926 WO2020262503A1 (ja) 2019-06-25 2020-06-25 動画像符号化装置、動画像符号化方法、及び動画像符号化プログラム、動画像復号装置、動画像復号方法及び動画像復号プログラム

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US (1) US12225229B2 (https=)
EP (1) EP3993421A4 (https=)
JP (4) JP7164035B2 (https=)
KR (1) KR20220003095A (https=)
CN (2) CN115643413A (https=)
BR (1) BR112021026156A2 (https=)
MX (1) MX2021015005A (https=)
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KR20250038829A (ko) * 2019-06-20 2025-03-19 가부시키가이샤 제이브이씨 켄우드 화상 부호화 장치, 화상 부호화 방법, 컴퓨터 판독가능 기록 매체, 화상 복호 장치, 화상 복호 방법, 격납 방법 및 전송 방법
JP7063416B2 (ja) * 2019-06-21 2022-05-09 株式会社Ｊｖｃケンウッド 動画像符号化装置、動画像符号化方法、及び動画像符号化プログラム、動画像復号装置、動画像復号方法及び動画像復号プログラム
US11659197B2 (en) * 2020-04-07 2023-05-23 Qualcomm Incorporated Signaling number of subblock merge candidates in video coding

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JP2009246975A (ja) 2008-03-28 2009-10-22 Samsung Electronics Co Ltd 画像のイントラ予測モード情報の符号化及び／又は復号化方法及び装置

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JP5321426B2 (ja) 2009-11-26 2013-10-23 株式会社Ｊｖｃケンウッド 画像符号化装置、画像復号化装置、画像符号化方法、及び画像復号化方法
HUE067847T2 (hu) * 2011-05-31 2024-11-28 Jvckenwood Corp Mozgókép kódoló eszköz, mozgókép kódolási eljárás és mozgókép kódoló program, valamint mozgókép dekódoló eszköz, mozgókép dekódoló eljárás és mozgókép dekódoló program
DK3833023T3 (da) * 2012-04-12 2022-04-19 Jvckenwood Corp Fusionskandidatlistekonstruktion
AU2013228045A1 (en) * 2013-09-13 2015-04-02 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding video data
KR20160031439A (ko) * 2014-09-12 2016-03-22 주식회사 케이티 비디오 신호 처리 방법 및 장치
KR20160037110A (ko) * 2014-09-26 2016-04-05 주식회사 케이티 비디오 신호 처리 방법 및 장치
CN117692651A (zh) 2018-10-08 2024-03-12 华为技术有限公司 用于译码块的几何划分块的帧间预测的装置及方法
KR102431537B1 (ko) * 2019-05-16 2022-08-12 후아웨이 테크놀러지 컴퍼니 리미티드 루마 및 크로마 성분에 대한 ibc 전용 버퍼 및 디폴트 값 리프레싱을 사용하는 인코더, 디코더 및 대응하는 방법들
US20230007273A1 (en) * 2019-06-13 2023-01-05 Huawei Technologies Co., Ltd. Encoder, a decoder and corresponding methods using intra block copy (ibc) dedicated buffer and default value refreshing for luma and chroma component
KR20250038829A (ko) 2019-06-20 2025-03-19 가부시키가이샤 제이브이씨 켄우드 화상 부호화 장치, 화상 부호화 방법, 컴퓨터 판독가능 기록 매체, 화상 복호 장치, 화상 복호 방법, 격납 방법 및 전송 방법
JP7063416B2 (ja) 2019-06-21 2022-05-09 株式会社Ｊｖｃケンウッド 動画像符号化装置、動画像符号化方法、及び動画像符号化プログラム、動画像復号装置、動画像復号方法及び動画像復号プログラム

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JP2009246975A (ja) 2008-03-28 2009-10-22 Samsung Electronics Co Ltd 画像のイントラ予測モード情報の符号化及び／又は復号化方法及び装置

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CN113924782A (zh) 2022-01-11
US12225229B2 (en) 2025-02-11
CN113924782B (zh) 2026-03-17
MY210352A (en) 2025-09-12
US20220109873A1 (en) 2022-04-07
JP7164035B2 (ja) 2022-11-01
BR112021026156A2 (pt) 2022-02-08
JP2024053075A (ja) 2024-04-12
JP7639870B2 (ja) 2025-03-05
JP2022191434A (ja) 2022-12-27
WO2020262503A1 (ja) 2020-12-30
EP3993421A4 (en) 2022-08-31
MX2021015005A (es) 2022-01-31
EP3993421A1 (en) 2022-05-04
JPWO2020262503A1 (https=) 2020-12-30
JP2023169406A (ja) 2023-11-29
CN115643413A (zh) 2023-01-24
JP7375890B2 (ja) 2023-11-08
JP7619503B2 (ja) 2025-01-22

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