CA3134847A1 - Signaling of reference picture resampling with constant window size indication in video bitstream - Google Patents

Signaling of reference picture resampling with constant window size indication in video bitstream Download PDF

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Publication number
CA3134847A1
CA3134847A1 CA3134847A CA3134847A CA3134847A1 CA 3134847 A1 CA3134847 A1 CA 3134847A1 CA 3134847 A CA3134847 A CA 3134847A CA 3134847 A CA3134847 A CA 3134847A CA 3134847 A1 CA3134847 A1 CA 3134847A1
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CA
Canada
Prior art keywords
picture
signaled
sps
conformance window
flag indicating
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
CA3134847A
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English (en)
French (fr)
Inventor
Byeongdoo CHOI
Stephan Wenger
Shan Liu
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.)
Tencent America LLC
Original Assignee
Tencent America LLC
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Filing date
Publication date
Application filed by Tencent America LLC filed Critical Tencent America LLC
Publication of CA3134847A1 publication Critical patent/CA3134847A1/en
Pending legal-status Critical Current

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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
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • H04N19/102—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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/70—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
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal

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)
CA3134847A 2019-09-20 2020-09-10 Signaling of reference picture resampling with constant window size indication in video bitstream Pending CA3134847A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962903601P 2019-09-20 2019-09-20
US62/903,601 2019-09-20
US17/009,979 US11140402B2 (en) 2019-09-20 2020-09-02 Signaling of reference picture resampling with constant window size indication in video bitstream
US17/009,979 2020-09-02
PCT/US2020/050077 WO2021055216A1 (en) 2019-09-20 2020-09-10 Signaling of reference picture resampling with constant window size indication in video bitstream

Publications (1)

Publication Number Publication Date
CA3134847A1 true CA3134847A1 (en) 2021-03-25

Family

ID=74881372

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3134847A Pending CA3134847A1 (en) 2019-09-20 2020-09-10 Signaling of reference picture resampling with constant window size indication in video bitstream

Country Status (9)

Country Link
US (4) US11140402B2 (https=)
EP (1) EP4032258A4 (https=)
JP (4) JP7164731B2 (https=)
KR (2) KR102797424B1 (https=)
CN (2) CN118714353A (https=)
AU (3) AU2020351096B2 (https=)
CA (1) CA3134847A1 (https=)
SG (1) SG11202110606VA (https=)
WO (1) WO2021055216A1 (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240024335A (ko) 2018-11-22 2024-02-23 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 서브 블록 기반 인터 예측을 위한 조정 방법
CN114175655B (zh) * 2019-07-27 2024-01-02 北京字节跳动网络技术有限公司 根据参考图片类型使用工具的限制
KR102808776B1 (ko) 2019-08-13 2025-05-15 두인 비전 컴퍼니 리미티드 서브 블록 기반 인터 예측의 모션 정밀도
WO2021052505A1 (en) * 2019-09-22 2021-03-25 Beijing Bytedance Network Technology Co., Ltd. Reference picture resampling in video processing
CN114375580B (zh) * 2019-09-27 2025-07-25 松下电器（美国）知识产权公司 编码装置、解码装置、编码方法、解码方法和存储介质
WO2021125145A1 (en) * 2019-12-18 2021-06-24 Sharp Kabushiki Kaisha Systems and methods for signaling picture output resolution in video coding
EP4068788A1 (en) * 2021-03-31 2022-10-05 Panasonic Intellectual Property Corporation of America Encoder, decoder, encoding method, and decoding method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7956930B2 (en) 2006-01-06 2011-06-07 Microsoft Corporation Resampling and picture resizing operations for multi-resolution video coding and decoding
WO2014052292A1 (en) 2012-09-27 2014-04-03 Dolby Laboratories Licensing Corporation Inter-layer reference picture processing for coding standard scalability
US9510008B2 (en) * 2013-11-25 2016-11-29 Entropic Communications, Llc Video decoder memory bandwidth compression
US9641851B2 (en) 2014-04-18 2017-05-02 Qualcomm Incorporated Conformance window information in multi-layer coding
JP6542201B2 (ja) 2014-04-25 2019-07-10 シャープ株式会社 画像復号装置および画像復号方法
US11032548B2 (en) * 2019-06-24 2021-06-08 Tencent America LLC Signaling for reference picture resampling
US11659201B2 (en) * 2019-08-16 2023-05-23 Qualcomm Incorporated Systems and methods for generating scaling ratios and full resolution pictures

Also Published As

Publication number Publication date
AU2023202122B2 (en) 2024-07-11
JP2025169314A (ja) 2025-11-12
JP2022521517A (ja) 2022-04-08
CN113678432B (zh) 2024-08-09
CN113678432A (zh) 2021-11-19
AU2024227176A1 (en) 2025-01-09
US12375692B2 (en) 2025-07-29
AU2023202122A1 (en) 2023-05-04
US11140402B2 (en) 2021-10-05
EP4032258A1 (en) 2022-07-27
AU2020351096A1 (en) 2021-10-14
WO2021055216A1 (en) 2021-03-25
US20210392348A1 (en) 2021-12-16
EP4032258A4 (en) 2023-09-06
KR20210132162A (ko) 2021-11-03
JP7436602B2 (ja) 2024-02-21
SG11202110606VA (en) 2021-10-28
JP7164731B2 (ja) 2022-11-01
JP2023017792A (ja) 2023-02-07
US11871013B2 (en) 2024-01-09
US20240089472A1 (en) 2024-03-14
KR20250053993A (ko) 2025-04-22
CN118714353A (zh) 2024-09-27
AU2020351096B2 (en) 2023-01-12
JP7727027B2 (ja) 2025-08-20
AU2024227176B2 (en) 2026-01-29
US20250343930A1 (en) 2025-11-06
JP2024054249A (ja) 2024-04-16
US20210092416A1 (en) 2021-03-25
KR102797424B1 (ko) 2025-04-21

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