GB201913403D0 - Method and apparatus for encoding and decoding a video stream with subpictures - Google Patents

Method and apparatus for encoding and decoding a video stream with subpictures

Info

Publication number
GB201913403D0
GB201913403D0 GB201913403A GB201913403A GB201913403D0 GB 201913403 D0 GB201913403 D0 GB 201913403D0 GB 201913403 A GB201913403 A GB 201913403A GB 201913403 A GB201913403 A GB 201913403A GB 201913403 D0 GB201913403 D0 GB 201913403D0
Authority
GB
United Kingdom
Prior art keywords
subpictures
decoding
encoding
video stream
stream
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.)
Ceased
Application number
GB201913403A
Other languages
English (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 GB201913403A priority Critical patent/GB201913403D0/en
Priority to GB1913976.5A priority patent/GB2587243A/en
Publication of GB201913403D0 publication Critical patent/GB201913403D0/en
Priority to GB1918661.8A priority patent/GB2587244B/en
Priority to GB2312302.9A priority patent/GB2619180B/en
Priority to CN202510832531.5A priority patent/CN120499401A/zh
Priority to CN202510832534.9A priority patent/CN120475189A/zh
Priority to US17/642,535 priority patent/US12113971B2/en
Priority to CN202510832541.9A priority patent/CN120499402A/zh
Priority to CN202080065219.3A priority patent/CN114556936B/zh
Priority to PCT/EP2020/074912 priority patent/WO2021052794A1/en
Priority to JP2021568663A priority patent/JP7645818B2/ja
Priority to CN202510831802.5A priority patent/CN120475188A/zh
Priority to EP20764693.6A priority patent/EP4032279A1/en
Priority to CN202510832540.4A priority patent/CN120475190A/zh
Priority to KR1020227011712A priority patent/KR102895367B1/ko
Priority to US18/829,846 priority patent/US20250016314A1/en
Priority to US18/829,833 priority patent/US20250008099A1/en
Priority to US18/829,691 priority patent/US20250008097A1/en
Priority to US18/829,738 priority patent/US20250008098A1/en
Priority to US18/830,324 priority patent/US20240430419A1/en
Priority to JP2025034026A priority patent/JP7804806B2/ja
Ceased 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
    • H04N19/90—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
    • H04N19/96—Tree coding, e.g. quad-tree coding
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/102—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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/174—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
    • H04N19/169—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
    • H04N19/169—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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • H04N19/188—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 a video data packet, e.g. a network abstraction layer [NAL] unit
    • 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
    • H04N19/70—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GB201913403A 2019-09-17 2019-09-17 Method and apparatus for encoding and decoding a video stream with subpictures Ceased GB201913403D0 (en)

Priority Applications (21)

Application Number Priority Date Filing Date Title
GB201913403A GB201913403D0 (en) 2019-09-17 2019-09-17 Method and apparatus for encoding and decoding a video stream with subpictures
GB1913976.5A GB2587243A (en) 2019-09-17 2019-09-27 Method and apparatus for encoding and decoding a video stream with subpictures
GB1918661.8A GB2587244B (en) 2019-09-17 2019-12-17 Method and apparatus for encoding and decoding a video stream with subpictures
GB2312302.9A GB2619180B (en) 2019-09-17 2019-12-17 Method and apparatus for encoding and decoding a video stream with subpictures
KR1020227011712A KR102895367B1 (ko) 2019-09-17 2020-09-07 서브픽처들을 갖는 비디오 스트림을 인코딩 및 디코딩하기 위한 방법 및 장치
JP2021568663A JP7645818B2 (ja) 2019-09-17 2020-09-07 サブピクチャを有するビデオストリームを符号化及び復号する方法及び装置
CN202510832540.4A CN120475190A (zh) 2019-09-17 2020-09-07 将视频数据编码到位流中的方法和装置、对视频数据的位流进行解码的方法和装置、计算机程序产品和存储介质
US17/642,535 US12113971B2 (en) 2019-09-17 2020-09-07 Method and apparatus for encoding and decoding a video stream with subpictures
CN202510832541.9A CN120499402A (zh) 2019-09-17 2020-09-07 将视频数据编码到位流中的方法和装置、对视频数据的位流进行解码的方法和装置、计算机程序产品和存储介质
CN202080065219.3A CN114556936B (zh) 2019-09-17 2020-09-07 利用子图片来编码和解码视频流的方法和设备
PCT/EP2020/074912 WO2021052794A1 (en) 2019-09-17 2020-09-07 Method and apparatus for encoding and decoding a video stream with subpictures
CN202510832531.5A CN120499401A (zh) 2019-09-17 2020-09-07 将视频数据编码到位流中的方法和装置、对视频数据的位流进行解码的方法和装置、计算机程序产品和存储介质
CN202510831802.5A CN120475188A (zh) 2019-09-17 2020-09-07 将视频数据编码到位流中的方法和装置、对视频数据的位流进行解码的方法和装置、计算机程序产品和存储介质
EP20764693.6A EP4032279A1 (en) 2019-09-17 2020-09-07 Method and apparatus for encoding and decoding a video stream with subpictures
CN202510832534.9A CN120475189A (zh) 2019-09-17 2020-09-07 将视频数据编码到位流中的方法和装置、对视频数据的位流进行解码的方法和装置、计算机程序产品和存储介质
US18/830,324 US20240430419A1 (en) 2019-09-17 2024-09-10 Method and apparatus for encoding and decoding a video stream with subpictures
US18/829,846 US20250016314A1 (en) 2019-09-17 2024-09-10 Method and apparatus for encoding and decoding a video stream with subpictures
US18/829,833 US20250008099A1 (en) 2019-09-17 2024-09-10 Method and apparatus for encoding and decoding a video stream with subpictures
US18/829,691 US20250008097A1 (en) 2019-09-17 2024-09-10 Method and apparatus for encoding and decoding a video stream with subpictures
US18/829,738 US20250008098A1 (en) 2019-09-17 2024-09-10 Method and apparatus for encoding and decoding a video stream with subpictures
JP2025034026A JP7804806B2 (ja) 2019-09-17 2025-03-04 サブピクチャを有するビデオストリームを符号化及び復号する方法及び装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201913403A GB201913403D0 (en) 2019-09-17 2019-09-17 Method and apparatus for encoding and decoding a video stream with subpictures

Publications (1)

Publication Number Publication Date
GB201913403D0 true GB201913403D0 (en) 2019-10-30

Family

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Application Number Title Priority Date Filing Date
GB201913403A Ceased GB201913403D0 (en) 2019-09-17 2019-09-17 Method and apparatus for encoding and decoding a video stream with subpictures
GB1913976.5A Withdrawn GB2587243A (en) 2019-09-17 2019-09-27 Method and apparatus for encoding and decoding a video stream with subpictures
GB2312302.9A Active GB2619180B (en) 2019-09-17 2019-12-17 Method and apparatus for encoding and decoding a video stream with subpictures
GB1918661.8A Active GB2587244B (en) 2019-09-17 2019-12-17 Method and apparatus for encoding and decoding a video stream with subpictures

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GB1913976.5A Withdrawn GB2587243A (en) 2019-09-17 2019-09-27 Method and apparatus for encoding and decoding a video stream with subpictures
GB2312302.9A Active GB2619180B (en) 2019-09-17 2019-12-17 Method and apparatus for encoding and decoding a video stream with subpictures
GB1918661.8A Active GB2587244B (en) 2019-09-17 2019-12-17 Method and apparatus for encoding and decoding a video stream with subpictures

Country Status (7)

Country Link
US (6) US12113971B2 (https=)
EP (1) EP4032279A1 (https=)
JP (2) JP7645818B2 (https=)
KR (1) KR102895367B1 (https=)
CN (6) CN120499402A (https=)
GB (4) GB201913403D0 (https=)
WO (1) WO2021052794A1 (https=)

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CN115299051A (zh) * 2020-03-11 2022-11-04 抖音视界有限公司 视频编解码的一致性窗口参数

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JP7322290B2 (ja) * 2019-10-02 2023-08-07 北京字節跳動網絡技術有限公司 ビデオビットストリームにおけるサブピクチャシグナリングのための構文
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KR20220157950A (ko) 2020-03-23 2022-11-29 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 어파인 머지 및 어파인 모션 벡터 예측 모드에 대한 예측 리파인먼트
CN113453011B (zh) * 2020-03-27 2025-07-25 腾讯美国有限责任公司 解码已编码视频比特流的方法和设备
KR20220158700A (ko) * 2020-03-27 2022-12-01 소니그룹주식회사 정보 처리 장치 및 정보 처리 방법
CN115380525B (zh) * 2020-03-30 2025-12-02 字节跳动有限公司 图片标头中的高级别语法
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KR20240050414A (ko) * 2021-09-27 2024-04-18 바이트댄스 아이엔씨 비디오 처리를 위한 방법, 기기 및 매체
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CN115244936A (zh) * 2020-03-05 2022-10-25 Lg电子株式会社 基于混合nal单元类型的图像编码/解码方法和装置及发送比特流的方法
CN115299051A (zh) * 2020-03-11 2022-11-04 抖音视界有限公司 视频编解码的一致性窗口参数

Also Published As

Publication number Publication date
CN114556936A (zh) 2022-05-27
CN120499401A (zh) 2025-08-15
US20250008098A1 (en) 2025-01-02
WO2021052794A1 (en) 2021-03-25
CN120475189A (zh) 2025-08-12
GB2619180A (en) 2023-11-29
GB201913976D0 (en) 2019-11-13
US20220329792A1 (en) 2022-10-13
US20240430419A1 (en) 2024-12-26
JP7804806B2 (ja) 2026-01-22
GB2619180B (en) 2024-07-31
CN120475190A (zh) 2025-08-12
JP2025081750A (ja) 2025-05-27
GB2587244B (en) 2023-09-27
EP4032279A1 (en) 2022-07-27
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