KR20230015363A - 비디오 코딩에서 참조 픽처 처리를 위한 방법 - Google Patents

비디오 코딩에서 참조 픽처 처리를 위한 방법 Download PDF

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KR20230015363A
KR20230015363A KR1020227042191A KR20227042191A KR20230015363A KR 20230015363 A KR20230015363 A KR 20230015363A KR 1020227042191 A KR1020227042191 A KR 1020227042191A KR 20227042191 A KR20227042191 A KR 20227042191A KR 20230015363 A KR20230015363 A KR 20230015363A
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reference picture
picture list
index
list
picture
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Korean (ko)
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지에 첸
얀 예
루링 랴오
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알리바바 그룹 홀딩 리미티드
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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
    • H04N19/102—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
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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
    • H04N19/58—Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020227042191A 2020-05-21 2021-05-21 비디오 코딩에서 참조 픽처 처리를 위한 방법 Pending KR20230015363A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202063028509P 2020-05-21 2020-05-21
US63/028,509 2020-05-21
PCT/US2021/033765 WO2021237165A1 (en) 2020-05-21 2021-05-21 Method for reference picture processing in video coding

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KR20230015363A true KR20230015363A (ko) 2023-01-31

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US (3) US11533472B2 (https=)
EP (1) EP4154414A4 (https=)
JP (2) JP7749591B2 (https=)
KR (1) KR20230015363A (https=)
CN (4) CN115485981B (https=)
WO (1) WO2021237165A1 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL3831055T3 (pl) 2018-08-17 2025-03-10 Huawei Technologies Co., Ltd. Zarządzanie obrazami odniesienia w kodowaniu wideo
KR102667418B1 (ko) * 2020-03-31 2024-05-20 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 비디오 코딩에서의 신택스 엘리먼트의 시그널링을 위한 방법 및 장치
CN115362686B (zh) * 2020-03-31 2026-04-14 夏普株式会社 运动图像解码装置、运动图像编码装置、运动图像解码方法以及运动图像编码方法
EP4144093A4 (en) 2020-05-22 2023-08-23 ByteDance Inc. SIGNALING OF IMAGE INFORMATION IN ACCESS UNITS
US12401783B2 (en) * 2020-05-22 2025-08-26 Lg Electronics Inc. Method and device for image encoding/decoding based on layer index of ILRP, and recording medium for storing bitstream
US12273506B2 (en) * 2020-05-22 2025-04-08 Lg Electronics Inc. Multilayer-based image coding method in video or image coding system
US20230224483A1 (en) * 2020-06-09 2023-07-13 Lg Electronics Inc. Image encoding/decoding method and apparatus for signaling picture output information, and computer-readable recording medium in which bitstream is stored
EP4458013A4 (en) 2021-12-30 2025-12-10 Beijing Dajia Internet Information Tech Co Ltd METHODS AND DEVICES FOR INTRA-DECODER-SIDE MODE CHANGE
WO2024080916A1 (en) * 2022-10-13 2024-04-18 Telefonaktiebolaget Lm Ericsson (Publ) Inter-predicted reference picture lists

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012033327A2 (ko) * 2010-09-08 2012-03-15 엘지전자 주식회사 참조 픽쳐 리스트 구성 방법을 포함하는 영상 복호화 방법 및 장치
AU2011306322B2 (en) 2010-09-24 2016-06-02 Sun Patent Trust Image coding method, image decoding method, image coding apparatus, and image decoding apparatus
US9451284B2 (en) * 2011-10-10 2016-09-20 Qualcomm Incorporated Efficient signaling of reference picture sets
PL3624447T3 (pl) * 2012-01-19 2021-11-22 Vid Scale, Inc. Sposób i urządzenie do sygnalizowania i tworzenia list obrazów referencyjnych kodowania wideo
WO2015101716A1 (en) * 2014-01-03 2015-07-09 Nokia Technologies Oy Parameter set coding
AU2016269362A1 (en) * 2015-05-28 2017-12-07 Hfi Innovation Inc. Method and apparatus for using a current picture as a reference picture
PL3831055T3 (pl) 2018-08-17 2025-03-10 Huawei Technologies Co., Ltd. Zarządzanie obrazami odniesienia w kodowaniu wideo
MX2021002951A (es) * 2018-09-12 2021-07-15 Huawei Tech Co Ltd Un codificador de video, un decodificador de video y metodos correspondientes.
US20210314624A1 (en) * 2020-04-02 2021-10-07 Qualcomm Incorporated Signaling of syntax elements for video data

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Publication number Publication date
EP4154414A1 (en) 2023-03-29
WO2021237165A1 (en) 2021-11-25
US20260052235A1 (en) 2026-02-19
CN119052499A (zh) 2024-11-29
US11533472B2 (en) 2022-12-20
JP2023526585A (ja) 2023-06-22
CN115485981A (zh) 2022-12-16
EP4154414A4 (en) 2024-06-26
JP2025188082A (ja) 2025-12-25
CN119052501A (zh) 2024-11-29
JP7749591B2 (ja) 2025-10-06
US20230156183A1 (en) 2023-05-18
CN115485981B (zh) 2024-09-06
US20210368163A1 (en) 2021-11-25
CN119052500A (zh) 2024-11-29

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