PL3903498T3 - Koder, dekoder i odpowiednie sposoby stosowane do procesu transformacji - Google Patents

Koder, dekoder i odpowiednie sposoby stosowane do procesu transformacji

Info

Publication number
PL3903498T3
PL3903498T3 PL20766583.7T PL20766583T PL3903498T3 PL 3903498 T3 PL3903498 T3 PL 3903498T3 PL 20766583 T PL20766583 T PL 20766583T PL 3903498 T3 PL3903498 T3 PL 3903498T3
Authority
PL
Poland
Prior art keywords
decoder
encoder
transform process
corresponding methods
methods
Prior art date
Application number
PL20766583.7T
Other languages
English (en)
Inventor
Han GAO
Semih Esenlik
Biao Wang
Anand Meher Kotra
Jianle Chen
Original Assignee
Huawei Technologies Co., Ltd.
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 Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of PL3903498T3 publication Critical patent/PL3903498T3/pl

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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/134—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
    • H04N19/134—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
    • H04N19/50—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
    • H04N19/60—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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
PL20766583.7T 2019-03-03 2020-02-12 Koder, dekoder i odpowiednie sposoby stosowane do procesu transformacji PL3903498T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962813136P 2019-03-03 2019-03-03
US201962815293P 2019-03-07 2019-03-07
PCT/CN2020/074780 WO2020177509A1 (en) 2019-03-03 2020-02-12 An encoder, a decoder, and corresponding methods that are used for transform process

Publications (1)

Publication Number Publication Date
PL3903498T3 true PL3903498T3 (pl) 2025-12-22

Family

ID=72337366

Family Applications (1)

Application Number Title Priority Date Filing Date
PL20766583.7T PL3903498T3 (pl) 2019-03-03 2020-02-12 Koder, dekoder i odpowiednie sposoby stosowane do procesu transformacji

Country Status (15)

Country Link
US (3) US12047570B2 (pl)
EP (2) EP4607929A3 (pl)
JP (2) JP7106689B2 (pl)
KR (3) KR20240052873A (pl)
CN (4) CN115052164A (pl)
AU (2) AU2020233004B2 (pl)
BR (1) BR112020024331A2 (pl)
CA (1) CA3131288A1 (pl)
CL (2) CL2021002295A1 (pl)
ES (1) ES3056161T3 (pl)
HU (1) HUE073560T2 (pl)
MX (2) MX2020014019A (pl)
PL (1) PL3903498T3 (pl)
PT (1) PT3903498T (pl)
WO (1) WO2020177509A1 (pl)

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US12537946B2 (en) * 2021-05-19 2026-01-27 Beijing Bytedance Network Technology Co., Ltd. Method, device, and medium for video processing
CN116112689A (zh) * 2021-11-11 2023-05-12 杭州海康威视数字技术股份有限公司 视频编解码方法及装置

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US9247254B2 (en) * 2011-10-27 2016-01-26 Qualcomm Incorporated Non-square transforms in intra-prediction video coding
US9894386B2 (en) 2012-04-12 2018-02-13 Goldpeak Innovations Inc. Transform method based on block information, and apparatus using said method
CN108712652A (zh) * 2012-06-29 2018-10-26 韩国电子通信研究院 视频编码方法和计算机可读介质
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KR20180026718A (ko) * 2015-07-28 2018-03-13 엘지전자 주식회사 인트라 예측 모드 기반 영상 처리 방법 및 이를 위한 장치
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KR20250111383A (ko) * 2018-06-06 2025-07-22 엘지전자 주식회사 인트라 예측 모드에 기초하여 변환 인덱스 코딩을 수행하는 방법 및 이를 위한 장치
CN112889280B (zh) * 2018-09-20 2023-09-26 诺基亚技术有限公司 用于数字图像/视频材料的编码和解码的方法和装置
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WO2020162690A1 (ko) * 2019-02-06 2020-08-13 엘지전자 주식회사 축소된 변환을 사용하여 비디오 신호를 처리하기 위한 방법 및 장치
CN113545088A (zh) * 2019-02-11 2021-10-22 北京达佳互联信息技术有限公司 用于帧内子分区编码模式的方法和设备
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Also Published As

Publication number Publication date
CN112740703B (zh) 2022-05-24
KR20220162882A (ko) 2022-12-08
JP2021531680A (ja) 2021-11-18
EP3903498A1 (en) 2021-11-03
ES3056161T3 (en) 2026-02-18
CL2021002295A1 (es) 2022-04-01
MX2020014019A (es) 2021-03-25
EP3903498B1 (en) 2025-10-01
AU2024201346A1 (en) 2024-03-21
KR102475963B1 (ko) 2022-12-08
US20230254485A1 (en) 2023-08-10
CN115052163A (zh) 2022-09-13
KR102657540B1 (ko) 2024-04-12
WO2020177509A1 (en) 2020-09-10
CN115052163B (zh) 2024-04-09
AU2020233004A1 (en) 2021-09-09
CN112740703A (zh) 2021-04-30
US20260082045A1 (en) 2026-03-19
CN113727120A (zh) 2021-11-30
EP4607929A3 (en) 2025-11-19
KR20240052873A (ko) 2024-04-23
US20210144373A1 (en) 2021-05-13
JP7106689B2 (ja) 2022-07-26
JP2022136124A (ja) 2022-09-15
MX2025000842A (es) 2025-03-07
PT3903498T (pt) 2025-12-19
US12501041B2 (en) 2025-12-16
AU2020233004B2 (en) 2023-11-30
EP3903498A4 (en) 2022-07-06
BR112020024331A2 (pt) 2021-02-23
CN113727120B (zh) 2022-09-23
AU2024201346B2 (en) 2025-07-24
KR20210008080A (ko) 2021-01-20
JP7507813B2 (ja) 2024-06-28
EP4607929A2 (en) 2025-08-27
CL2023002827A1 (es) 2024-01-26
CA3131288A1 (en) 2020-09-10
CN115052164A (zh) 2022-09-13
US12047570B2 (en) 2024-07-23
HUE073560T2 (hu) 2026-01-28

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