JP7315702B2 - エンコードされたビデオビットストリームをデコードする方法、デバイス、及びコンピュータプログラム - Google Patents

エンコードされたビデオビットストリームをデコードする方法、デバイス、及びコンピュータプログラム Download PDF

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JP7315702B2
JP7315702B2 JP2021560266A JP2021560266A JP7315702B2 JP 7315702 B2 JP7315702 B2 JP 7315702B2 JP 2021560266 A JP2021560266 A JP 2021560266A JP 2021560266 A JP2021560266 A JP 2021560266A JP 7315702 B2 JP7315702 B2 JP 7315702B2
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JP2022537241A (ja
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チョイ,ビョンドゥ
ウェンジャー,ステファン
リィウ,シャン
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Tencent America LLC
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/172Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/184Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/1883Methods 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 relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/33Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021560266A 2020-05-20 2021-04-12 エンコードされたビデオビットストリームをデコードする方法、デバイス、及びコンピュータプログラム Active JP7315702B2 (ja)

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JP2023115405A JP7761341B2 (ja) 2020-05-20 2023-07-13 エンコードされたビデオビットストリームをデコードする方法、デバイス、及びコンピュータプログラム
JP2025170652A JP2026010040A (ja) 2020-05-20 2025-10-09 エンコードされたビデオビットストリームをデコードする方法、デバイス、及びコンピュータプログラム

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US202063027835P 2020-05-20 2020-05-20
US63/027,835 2020-05-20
US202063035647P 2020-06-05 2020-06-05
US63/035,647 2020-06-05
US202063036342P 2020-06-08 2020-06-08
US202063036174P 2020-06-08 2020-06-08
US63/036,174 2020-06-08
US63/036,342 2020-06-08
US17/211,236 2021-03-24
US17/211,236 US11477471B2 (en) 2020-05-20 2021-03-24 Techniques for signaling combination of reference picture resampling and spatial scalability
PCT/US2021/026800 WO2021236257A1 (en) 2020-05-20 2021-04-12 Techniques for signaling combination of reference picture resampling and spatial scalability

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JP7315702B2 true JP7315702B2 (ja) 2023-07-26

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JP2023115405A Active JP7761341B2 (ja) 2020-05-20 2023-07-13 エンコードされたビデオビットストリームをデコードする方法、デバイス、及びコンピュータプログラム
JP2025170652A Pending JP2026010040A (ja) 2020-05-20 2025-10-09 エンコードされたビデオビットストリームをデコードする方法、デバイス、及びコンピュータプログラム

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JP2025170652A Pending JP2026010040A (ja) 2020-05-20 2025-10-09 エンコードされたビデオビットストリームをデコードする方法、デバイス、及びコンピュータプログラム

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US (4) US11477471B2 (https=)
EP (2) EP4657859A3 (https=)
JP (3) JP7315702B2 (https=)
KR (1) KR20210144885A (https=)
CN (3) CN114270819B (https=)
AU (3) AU2021257953B2 (https=)
ES (1) ES3056171T3 (https=)
SG (1) SG11202111859WA (https=)
WO (1) WO2021236257A1 (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
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
EP4144090A4 (en) 2020-05-22 2023-06-21 Beijing Bytedance Network Technology Co., Ltd. SUB-PICTURE SUB-BITSTREAM EXTRACTION ENHANCEMENTS
WO2023177098A1 (ko) * 2022-03-14 2023-09-21 현대자동차주식회사 초해상도 인루프 필터를 이용하는 비디오 코딩을 위한 방법 및 장치
WO2025041476A1 (ja) 2023-08-22 2025-02-27 株式会社Nttドコモ 端末及び通信方法
KR20250134421A (ko) 2024-03-04 2025-09-11 삼성전자주식회사 시스템 온 칩, 시스템 온 칩의 동작 방법 및 비디오 시스템

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016506687A (ja) 2013-01-07 2016-03-03 ノキア テクノロジーズ オサケユイチア ビデオ・コーディングおよびデコーディングのための方法と装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8665968B2 (en) 2009-09-30 2014-03-04 Broadcom Corporation Method and system for 3D video coding using SVC spatial scalability
US8983218B2 (en) * 2012-04-11 2015-03-17 Texas Instruments Incorporated Virtual boundary processing simplification for adaptive loop filtering (ALF) in video coding
WO2014006854A1 (en) 2012-07-01 2014-01-09 Sharp Kabushiki Kaisha Device for signaling a long-term reference picture in a parameter set
US9462268B2 (en) 2012-10-09 2016-10-04 Cisco Technology, Inc. Output management of prior decoded pictures at picture format transitions in bitstreams
KR20170101983A (ko) 2014-12-31 2017-09-06 노키아 테크놀로지스 오와이 스케일러블 비디오 코딩 및 디코딩을 위한 계층 간 예측
US11765349B2 (en) * 2018-08-31 2023-09-19 Mediatek Inc. Method and apparatus of in-loop filtering for virtual boundaries
US11153583B2 (en) * 2019-06-07 2021-10-19 Qualcomm Incorporated Spatial scalability support in video encoding and decoding
US11483558B2 (en) 2019-06-21 2022-10-25 Tencent America LLC Method for region-wise scalability with adaptive resolution change
US11206404B2 (en) * 2019-07-08 2021-12-21 Fastvdo Llc Adaptive resolution change in video streams
IL292060B2 (en) * 2019-10-07 2026-01-01 Huawei Tech Co Ltd Avoiding unnecessary marking in bitmaps in multi-layered video
US11146824B2 (en) * 2019-12-30 2021-10-12 Mediatek Inc. Video encoding or decoding methods and apparatuses related to high-level information signaling
WO2021190438A1 (en) * 2020-03-21 2021-09-30 Beijing Bytedance Network Technology Co., Ltd. Combination of subpictures and scalability
US11611778B2 (en) * 2020-05-20 2023-03-21 Sharp Kabushiki Kaisha Systems and methods for signaling general constraint information in video coding

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016506687A (ja) 2013-01-07 2016-03-03 ノキア テクノロジーズ オサケユイチア ビデオ・コーディングおよびデコーディングのための方法と装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Benjamin Bross Jianle Chen Shan Liu Ye-Kui Wang,Versatile Video Coding (Draft 9) [online], JVET-R JVET-R2001-vA,ITU-T インターネット<URL:https://jvet-experts.org/doc_end_user/documents/18_Alpbach/wg11/JVET-R2001-v10.zip>,2020年05月15日,pp.100-102, 112

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EP3939264B1 (en) 2025-11-19
EP3939264A4 (en) 2023-01-11
JP2022537241A (ja) 2022-08-25
US12052431B2 (en) 2024-07-30
US12513322B2 (en) 2025-12-30
CN119211528A (zh) 2024-12-27
KR20210144885A (ko) 2021-11-30
WO2021236257A1 (en) 2021-11-25
EP4657859A3 (en) 2026-02-25
EP3939264C0 (en) 2025-11-19
US11477471B2 (en) 2022-10-18
CN114270819A (zh) 2022-04-01
CN114270819B (zh) 2024-08-23
AU2023203644B2 (en) 2024-11-14
JP7761341B2 (ja) 2025-10-28
CN119211527A (zh) 2024-12-27
US20240333953A1 (en) 2024-10-03
US20260082070A1 (en) 2026-03-19
AU2025200772A1 (en) 2025-02-20
JP2023134662A (ja) 2023-09-27
EP3939264A1 (en) 2022-01-19
SG11202111859WA (en) 2021-12-30
AU2021257953A1 (en) 2021-12-09
EP4657859A2 (en) 2025-12-03
ES3056171T3 (en) 2026-02-18
US20210368189A1 (en) 2021-11-25
US20220400276A1 (en) 2022-12-15
AU2021257953B2 (en) 2023-03-09
JP2026010040A (ja) 2026-01-21
AU2023203644A1 (en) 2023-07-06

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