PL3977732T3 - Niejawny wybór wielu przekształceń - Google Patents

Niejawny wybór wielu przekształceń

Info

Publication number
PL3977732T3
PL3977732T3 PL20732456.7T PL20732456T PL3977732T3 PL 3977732 T3 PL3977732 T3 PL 3977732T3 PL 20732456 T PL20732456 T PL 20732456T PL 3977732 T3 PL3977732 T3 PL 3977732T3
Authority
PL
Poland
Prior art keywords
multiple transformations
implicit selection
implicit
selection
transformations
Prior art date
Application number
PL20732456.7T
Other languages
English (en)
Inventor
Karam NASER
Fabrice Leleannec
Tangi POIRIER
Original Assignee
Interdigital Vc Holdings, 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
Priority claimed from EP19305698.3A external-priority patent/EP3745722A1/en
Application filed by Interdigital Vc Holdings, Inc. filed Critical Interdigital Vc Holdings, Inc.
Publication of PL3977732T3 publication Critical patent/PL3977732T3/pl

Links

Classifications

    • 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
    • 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/12Selection 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
    • 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
    • H04N19/12Selection 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
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/176Methods 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
    • 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
    • H04N19/46Embedding 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
    • H04N19/46Embedding additional information in the video signal during the compression process
    • H04N19/463Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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

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)
PL20732456.7T 2019-05-31 2020-05-28 Niejawny wybór wielu przekształceń PL3977732T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP19305698.3A EP3745722A1 (en) 2019-05-31 2019-05-31 Implicit multiple transform selection
EP19290045 2019-06-21
PCT/US2020/034859 WO2020243258A1 (en) 2019-05-31 2020-05-28 Transform selection for implicit multiple transform selection

Publications (1)

Publication Number Publication Date
PL3977732T3 true PL3977732T3 (pl) 2025-02-10

Family

ID=71083795

Family Applications (1)

Application Number Title Priority Date Filing Date
PL20732456.7T PL3977732T3 (pl) 2019-05-31 2020-05-28 Niejawny wybór wielu przekształceń

Country Status (10)

Country Link
US (2) US12267529B2 (pl)
EP (2) EP4462790A3 (pl)
JP (2) JP7585239B2 (pl)
KR (1) KR20220047725A (pl)
CN (3) CN118714291A (pl)
CA (1) CA3141992A1 (pl)
PL (1) PL3977732T3 (pl)
SG (1) SG11202113262WA (pl)
WO (1) WO2020243258A1 (pl)
ZA (1) ZA202109659B (pl)

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US11212545B2 (en) * 2019-06-07 2021-12-28 Tencent America LLC Method and apparatus for improved implicit transform selection
US12126835B2 (en) * 2019-06-21 2024-10-22 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for non-separable transform selection in an encoder and decoder
CN119968848A (zh) * 2022-10-12 2025-05-09 Lg 电子株式会社 图像编码/解码方法和设备、以及其上存储比特流的记录介质
WO2024080795A1 (ko) * 2022-10-12 2024-04-18 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
WO2024080784A1 (ko) * 2022-10-12 2024-04-18 엘지전자 주식회사 비분리 1차 변환에 기반한 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장하는 기록 매체
EP4604543A1 (en) * 2022-10-12 2025-08-20 LG Electronics Inc. Image encoding/decoding method and apparatus, and recording medium on which bitstream is stored
CN119968850A (zh) * 2022-10-16 2025-05-09 Lg 电子株式会社 图像编码/解码方法和设备及其上存储比特流的记录介质
CN119968849A (zh) * 2022-10-16 2025-05-09 Lg 电子株式会社 图像编码/解码方法和设备及其上存储比特流的记录介质
WO2024085565A1 (ko) * 2022-10-16 2024-04-25 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
EP4625985A1 (en) * 2024-03-25 2025-10-01 InterDigital CE Patent Holdings, SAS Hybrid explicit/implicit lfnst/nspt

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US8031969B1 (en) * 2004-09-07 2011-10-04 Nvidia Corporation Fourier transform optimized anisotropic filtering
TWI575887B (zh) 2010-04-13 2017-03-21 Ge影像壓縮有限公司 在樣本陣列多元樹細分中之繼承技術
KR101572535B1 (ko) 2011-06-30 2015-11-27 후아웨이 테크놀러지 컴퍼니 리미티드 합성 비디오에서의 무손실 코딩 및 관련 시그널링 방법
WO2013181821A1 (en) * 2012-06-07 2013-12-12 Mediatek Singapore Pte. Ltd. Improved intra transform skip mode
JP6397902B2 (ja) * 2013-09-24 2018-09-26 ヴィド スケール インコーポレイテッド スケーラブルビデオ符号化のためのレイヤ間予測
US10491922B2 (en) 2015-09-29 2019-11-26 Qualcomm Incorporated Non-separable secondary transform for video coding
US10972733B2 (en) 2016-07-15 2021-04-06 Qualcomm Incorporated Look-up table for enhanced multiple transform
WO2018049594A1 (en) * 2016-09-14 2018-03-22 Mediatek Inc. Methods of encoder decision for quad-tree plus binary tree structure
CA3175176C (en) * 2017-08-04 2024-07-02 Guangdong Oppo Mobile Telecommunications Corp., Ltd. METHOD AND APPARATUS FOR CONFIGURING A TRANSFORMER FOR VIDEO COMPRESSION
WO2019098464A1 (ko) 2017-11-14 2019-05-23 삼성전자 주식회사 부호화 방법 및 그 장치, 복호화 방법 및 그 장치
GB2568478B (en) * 2017-11-15 2020-05-20 4T2 Sensors Ltd Apparatus for monitoring a fluid
US10701358B2 (en) * 2018-07-09 2020-06-30 Tencent America LLC Mode dependent primary and secondary transforms
TWI737141B (zh) * 2019-01-31 2021-08-21 聯發科技股份有限公司 視訊編碼中用於畫面內分區之轉換類型分配方法和裝置
CN118175312A (zh) * 2019-04-16 2024-06-11 Lg电子株式会社 解码和编码设备及发送用于图像的数据的设备
KR102860140B1 (ko) * 2019-04-23 2025-09-16 두인 비전 컴퍼니 리미티드 다중 변환 행렬의 선택 및 컨텍스트 모델링
KR20250078609A (ko) * 2019-05-08 2025-06-02 엘지전자 주식회사 Mip 및 lfnst를 수행하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
WO2020228670A1 (en) * 2019-05-10 2020-11-19 Beijing Bytedance Network Technology Co., Ltd. Luma based secondary transform matrix selection for video processing
KR20220006055A (ko) * 2019-05-11 2022-01-14 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 다중 인트라 코딩 방법 사이의 상호 작용
CN114208183B (zh) * 2019-08-03 2025-01-10 北京字节跳动网络技术有限公司 视频的缩减二次变换中基于位置的模式导出

Also Published As

Publication number Publication date
ZA202109659B (en) 2025-04-30
JP2022534999A (ja) 2022-08-04
JP7585239B2 (ja) 2024-11-18
US12267529B2 (en) 2025-04-01
CN118714291A (zh) 2024-09-27
EP3977732B1 (en) 2024-11-06
EP3977732A1 (en) 2022-04-06
KR20220047725A (ko) 2022-04-19
EP4462790A2 (en) 2024-11-13
SG11202113262WA (en) 2021-12-30
US20220312040A1 (en) 2022-09-29
US20250203116A1 (en) 2025-06-19
JP7761735B2 (ja) 2025-10-28
CN113950834B (zh) 2024-07-09
CN113950834A (zh) 2022-01-18
JP2025026890A (ja) 2025-02-26
EP4462790A3 (en) 2025-01-22
CA3141992A1 (en) 2020-12-03
CN118631987A (zh) 2024-09-10
WO2020243258A1 (en) 2020-12-03

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