GB202113968D0 - Video coding and decoding - Google Patents

Video coding and decoding

Info

Publication number
GB202113968D0
GB202113968D0 GBGB2113968.8A GB202113968A GB202113968D0 GB 202113968 D0 GB202113968 D0 GB 202113968D0 GB 202113968 A GB202113968 A GB 202113968A GB 202113968 D0 GB202113968 D0 GB 202113968D0
Authority
GB
United Kingdom
Prior art keywords
decoding
video coding
coding
video
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
GBGB2113968.8A
Other versions
GB2611323A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to GB2113968.8A priority Critical patent/GB2611323A/en
Publication of GB202113968D0 publication Critical patent/GB202113968D0/en
Priority to GB2118105.2A priority patent/GB2611367A/en
Priority to PCT/EP2022/077094 priority patent/WO2023052489A1/en
Priority to KR1020247013060A priority patent/KR20240072202A/en
Publication of GB2611323A publication Critical patent/GB2611323A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04N19/10—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
    • H04N19/134—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
    • H04N19/10—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
    • H04N19/10—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
    • H04N19/50—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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GB2113968.8A 2021-09-29 2021-09-29 Video coding and decoding Pending GB2611323A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB2113968.8A GB2611323A (en) 2021-09-29 2021-09-29 Video coding and decoding
GB2118105.2A GB2611367A (en) 2021-09-29 2021-12-14 Video coding and decoding
PCT/EP2022/077094 WO2023052489A1 (en) 2021-09-29 2022-09-29 Video coding and decoding
KR1020247013060A KR20240072202A (en) 2021-09-29 2022-09-29 Video coding and decoding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2113968.8A GB2611323A (en) 2021-09-29 2021-09-29 Video coding and decoding

Publications (2)

Publication Number Publication Date
GB202113968D0 true GB202113968D0 (en) 2021-11-10
GB2611323A GB2611323A (en) 2023-04-05

Family

ID=78399674

Family Applications (2)

Application Number Title Priority Date Filing Date
GB2113968.8A Pending GB2611323A (en) 2021-09-29 2021-09-29 Video coding and decoding
GB2118105.2A Pending GB2611367A (en) 2021-09-29 2021-12-14 Video coding and decoding

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB2118105.2A Pending GB2611367A (en) 2021-09-29 2021-12-14 Video coding and decoding

Country Status (1)

Country Link
GB (2) GB2611323A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023198080A1 (en) * 2022-04-12 2023-10-19 Beijing Bytedance Network Technology Co., Ltd. Method, apparatus, and medium for video processing

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5835208B2 (en) * 2011-12-28 2015-12-24 株式会社Ｊｖｃケンウッド Moving picture coding apparatus, moving picture coding method, moving picture coding program, transmission apparatus, transmission method, and transmission program
EP3806472A4 (en) * 2018-06-30 2021-04-14 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Merge mode-based inter-prediction method and apparatus
US20220038734A1 (en) * 2018-09-20 2022-02-03 Lg Electronics Inc. Method and device for processing image signal
CN117528076A (en) * 2018-11-22 2024-02-06 北京字节跳动网络技术有限公司 Construction method for inter prediction with geometric segmentation
WO2020116242A1 (en) * 2018-12-07 2020-06-11 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ Encoding device, decoding device, encoding method, and decoding method
CN113728645A (en) * 2019-02-20 2021-11-30 北京达佳互联信息技术有限公司 Method and apparatus for motion vector rounding, clipping, and storage for inter prediction based on mantissa-exponent representation
MX2021010830A (en) * 2019-03-11 2021-12-15 Vid Scale Inc Symmetric merge mode motion vector coding.
WO2020182147A1 (en) * 2019-03-11 2020-09-17 Beijing Bytedance Network Technology Co., Ltd. Improvement on motion candidate list construction
CN114041291B (en) * 2019-06-21 2023-03-24 北京达佳互联信息技术有限公司 Method, apparatus and storage medium for motion vector prediction in video encoding and decoding
MX2022000234A (en) * 2019-07-05 2022-04-07 Lg Electronics Inc Video encoding/decoding method and device for deriving weight index for bidirectional prediction of merge candidate, and method for transmitting bitstream.
EP4032297A4 (en) * 2019-09-19 2022-11-23 Alibaba Group Holding Limited Methods for constructing a merge candidate list

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023198080A1 (en) * 2022-04-12 2023-10-19 Beijing Bytedance Network Technology Co., Ltd. Method, apparatus, and medium for video processing

Also Published As

Publication number Publication date
GB2611367A (en) 2023-04-05
GB202118105D0 (en) 2022-01-26
GB2611323A (en) 2023-04-05

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