CA3137296A1 - Method and apparatus for video coding - Google Patents

Method and apparatus for video coding Download PDF

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Publication number
CA3137296A1
CA3137296A1 CA3137296A CA3137296A CA3137296A1 CA 3137296 A1 CA3137296 A1 CA 3137296A1 CA 3137296 A CA3137296 A CA 3137296A CA 3137296 A CA3137296 A CA 3137296A CA 3137296 A1 CA3137296 A1 CA 3137296A1
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CA
Canada
Prior art keywords
block
transform
intra
coded block
video
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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
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CA3137296A
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English (en)
French (fr)
Inventor
Shan Liu
Xin Zhao
Xiang Li
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Tencent America LLC
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Tencent America LLC
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Publication date
Application filed by Tencent America LLC filed Critical Tencent America LLC
Publication of CA3137296A1 publication Critical patent/CA3137296A1/en
Pending legal-status Critical Current

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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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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
    • H04N19/12—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
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/169—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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
CA3137296A 2019-06-11 2020-05-22 Method and apparatus for video coding Pending CA3137296A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962860149P 2019-06-11 2019-06-11
US62/860,149 2019-06-11
US16/878,390 2020-05-19
US16/878,390 US11252410B2 (en) 2019-06-11 2020-05-19 Method and apparatus for video coding
PCT/US2020/034271 WO2020251743A1 (en) 2019-06-11 2020-05-22 Method and apparatus for video coding

Publications (1)

Publication Number Publication Date
CA3137296A1 true CA3137296A1 (en) 2020-12-17

Family

ID=73745307

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3137296A Pending CA3137296A1 (en) 2019-06-11 2020-05-22 Method and apparatus for video coding

Country Status (9)

Country Link
US (4) US11252410B2 (https=)
EP (1) EP3983940A4 (https=)
JP (4) JP7187703B2 (https=)
KR (2) KR20210088708A (https=)
CN (3) CN119011832A (https=)
AU (3) AU2020292182B2 (https=)
CA (1) CA3137296A1 (https=)
SG (1) SG11202111507WA (https=)
WO (1) WO2020251743A1 (https=)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2774371B1 (en) * 2011-11-03 2020-08-26 Sun Patent Trust Efficient rounding for deblocking
WO2019194503A1 (ko) * 2018-04-01 2019-10-10 엘지전자 주식회사 분할된 블록에 2차 변환을 적용하여 비디오 신호를 처리하는 방법 및 장치
CN120881276A (zh) * 2019-05-30 2025-10-31 夏普株式会社 图像解码装置
CN113940076B (zh) * 2019-06-06 2025-01-03 北京字节跳动网络技术有限公司 应用隐式变换选择
WO2020244662A1 (en) 2019-06-06 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Simplified transform coding tools
CN113994666B (zh) 2019-06-06 2025-01-03 北京字节跳动网络技术有限公司 隐式选择变换候选
US11197025B2 (en) 2019-06-21 2021-12-07 Qualcomm Incorporated Signaling of matrix intra prediction parameters in video coding
CA3121563C (en) * 2019-06-25 2024-06-11 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Mapping method, encoder, decoder, and computer storage medium
CN112514381A (zh) * 2019-06-25 2021-03-16 Oppo广东移动通信有限公司 图像编解码方法、编码器、解码器以及存储介质
CN119402667B (zh) * 2019-07-07 2026-02-03 Oppo广东移动通信有限公司 图像预测方法、编码器、解码器以及存储介质
AU2020310350B2 (en) 2019-07-10 2026-02-05 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Image component prediction method, encoder, decoder, and storage medium
WO2021052490A1 (en) 2019-09-19 2021-03-25 Beijing Bytedance Network Technology Co., Ltd. Scaling window in video coding
WO2021052491A1 (en) * 2019-09-19 2021-03-25 Beijing Bytedance Network Technology Co., Ltd. Deriving reference sample positions in video coding
BR112022004724A2 (pt) * 2019-09-20 2022-06-14 Lg Electronics Inc Método de codificação de imagem com base na transformada e dispositivo para o mesmo
CN119383360A (zh) * 2019-09-21 2025-01-28 Lg 电子株式会社 基于变换的图像编译方法及其装置
WO2021066508A1 (ko) * 2019-09-30 2021-04-08 현대자동차주식회사 다른 해상도를 가지는 픽처들에 대한 인터 예측 방법 및 장치
KR20220050202A (ko) * 2019-10-04 2022-04-22 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
CN118890491A (zh) * 2019-10-05 2024-11-01 北京字节跳动网络技术有限公司 基于级别的视频编解码工具的信令通知
CN114556918B (zh) 2019-10-12 2025-08-12 北京字节跳动网络技术有限公司 细化视频编解码工具的使用和信令
JP7414980B2 (ja) 2019-10-13 2024-01-16 北京字節跳動網絡技術有限公司 参照ピクチャリサンプリングと映像コーディングツールとの間の相互作用
CN119835443A (zh) * 2019-11-01 2025-04-15 Lg 电子株式会社 基于变换的图像编译方法及其装置
MX2022007503A (es) 2019-12-27 2022-07-04 Beijing Bytedance Network Tech Co Ltd Se?alizacion de tipos de corte en encabezados de imagenes de video.
EP4109898A4 (en) * 2019-12-30 2023-01-11 Guangdong Oppo Mobile Telecommunications Corp., Ltd. TRANSFORMATION METHOD, ENCODER, DECODER AND STORAGE MEDIUM
US12160612B2 (en) * 2020-03-26 2024-12-03 Lg Electronics Inc. Transform-based image coding method based on LFNST index, and device therefor
KR20230025879A (ko) * 2020-06-18 2023-02-23 인터디지털 브이씨 홀딩스 프랑스 에스에이에스 신경 네트워크 기반 인트라 예측 모드에 대한 변환 프로세스의 적응
US11683514B2 (en) * 2020-12-22 2023-06-20 Tencent America LLC Method and apparatus for video coding for machine
EP4300966A4 (en) * 2021-02-24 2025-03-05 LG Electronics Inc. Image coding method and device therefor
JP2024516809A (ja) * 2021-04-28 2024-04-17 インターディジタル・シーイー・パテント・ホールディングス・ソシエテ・パ・アクシオンス・シンプリフィエ ニューラルネットワークベースのイントラ予測モードと通常イントラ予測モードとの間の相互作用
CN115379238A (zh) * 2021-05-18 2022-11-22 南京大学 一种基于高层次综合的视频帧内预测硬件实现方法
CN117597934A (zh) * 2021-06-16 2024-02-23 Lg电子株式会社 用于设计低频不可分离变换的方法和装置
CN118743220A (zh) * 2021-12-07 2024-10-01 抖音视界有限公司 用于视频处理的方法、装置和介质
CN118511519A (zh) * 2022-01-07 2024-08-16 联发科技股份有限公司 变换编解码的信号
WO2025002759A1 (en) * 2023-06-29 2025-01-02 Interdigital Ce Patent Holdings, Sas Implicit multiple transform selection using intra prediction mode
WO2025103811A1 (en) * 2023-11-16 2025-05-22 Interdigital Ce Patent Holdings, Sas Implicit multiple transform selection (mts) using offline transform analysis
CN120391052A (zh) * 2023-11-28 2025-07-29 腾讯美国有限责任公司 将不可分离变换应用于帧间预测残差的系统和方法
JP7837623B2 (ja) * 2025-07-25 2026-03-31 株式会社大都技研 遊技台
JP7837620B2 (ja) * 2025-07-25 2026-03-31 株式会社大都技研 遊技台

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9083745B2 (en) 2007-03-12 2015-07-14 Qualcomm Incorporated Network independent location services
US8483285B2 (en) 2008-10-03 2013-07-09 Qualcomm Incorporated Video coding using transforms bigger than 4×4 and 8×8
JP2012516626A (ja) * 2009-01-27 2012-07-19 トムソン ライセンシング ビデオ符号化およびビデオ復号における変換の選択のための方法および装置
US9185404B2 (en) * 2011-10-07 2015-11-10 Qualcomm Incorporated Performing transform dependent de-blocking filtering
WO2015015058A1 (en) 2013-07-31 2015-02-05 Nokia Corporation Method and apparatus for video coding and decoding
US10491922B2 (en) * 2015-09-29 2019-11-26 Qualcomm Incorporated Non-separable secondary transform for video coding
US10623774B2 (en) * 2016-03-22 2020-04-14 Qualcomm Incorporated Constrained block-level optimization and signaling for video coding tools
JP2019101179A (ja) * 2017-11-30 2019-06-24 コニカミノルタ株式会社 定着装置および画像形成装置
US11539952B2 (en) * 2019-03-12 2022-12-27 Qualcomm Incorporated Implicit transform selection in video coding
US11240534B2 (en) * 2019-04-05 2022-02-01 Qualcomm Incorporated Extended multiple transform selection for video coding
CN120881276A (zh) * 2019-05-30 2025-10-31 夏普株式会社 图像解码装置
WO2020244662A1 (en) * 2019-06-06 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Simplified transform coding tools

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Publication number Publication date
KR20260017506A (ko) 2026-02-05
AU2023202526B2 (en) 2024-05-16
CN113614736A (zh) 2021-11-05
US11575895B2 (en) 2023-02-07
EP3983940A1 (en) 2022-04-20
US20220132124A1 (en) 2022-04-28
US11949866B2 (en) 2024-04-02
CN113614736B (zh) 2024-07-19
CN119011832A (zh) 2024-11-22
US20220060706A1 (en) 2022-02-24
WO2020251743A1 (en) 2020-12-17
US20230086769A1 (en) 2023-03-23
US20200396455A1 (en) 2020-12-17
JP7678055B2 (ja) 2025-05-15
AU2023202526A1 (en) 2023-05-11
JP7804127B2 (ja) 2026-01-21
AU2020292182A1 (en) 2021-11-18
JP7187703B2 (ja) 2022-12-12
JP2025124648A (ja) 2025-08-26
US11252410B2 (en) 2022-02-15
CN118984384A (zh) 2024-11-19
JP2023029928A (ja) 2023-03-07
AU2024205849A1 (en) 2024-09-05
AU2020292182B2 (en) 2023-02-02
SG11202111507WA (en) 2021-11-29
JP2024012476A (ja) 2024-01-30
EP3983940A4 (en) 2023-06-07
JP7379647B2 (ja) 2023-11-14
JP2022515876A (ja) 2022-02-22
KR20210088708A (ko) 2021-07-14

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