BR112022000953A2 - Filtro de loop adaptável de componente cruzado para croma - Google Patents

Filtro de loop adaptável de componente cruzado para croma

Info

Publication number
BR112022000953A2
BR112022000953A2 BR112022000953A BR112022000953A BR112022000953A2 BR 112022000953 A2 BR112022000953 A2 BR 112022000953A2 BR 112022000953 A BR112022000953 A BR 112022000953A BR 112022000953 A BR112022000953 A BR 112022000953A BR 112022000953 A2 BR112022000953 A2 BR 112022000953A2
Authority
BR
Brazil
Prior art keywords
cross
component
filter
chroma
adaptive loop
Prior art date
Application number
BR112022000953A
Other languages
English (en)
Inventor
Christophe Gisquet
Guillaume Laroche
Jonathan Taquet
Patrice Onno
Original Assignee
Canon Kk
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 Canon Kk filed Critical Canon Kk
Publication of BR112022000953A2 publication Critical patent/BR112022000953A2/pt

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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving 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
    • H04N19/184—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
    • H04N19/169—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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

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)
  • Image Processing (AREA)

Abstract

filtro de loop adaptável de componente cruzado para croma. é revelado um método de filtrar uma imagem, o método compreendendo: receber coeficientes de filtro e valores de amostra de primeiro componente correspondendo a amostras que circundam uma amostra de referência e inserir os coeficientes de filtro e valores de amostra de primeiro componente em um filtro de componente cruzado para produzir uma saída de filtro de componente cruzado; em que o filtro de componente cruzado utiliza um número restrito de bits para representar os coeficientes de filtro e/ou valores de amostra de primeiro componente para produzir a saída de filtro.
BR112022000953A 2019-08-20 2020-08-18 Filtro de loop adaptável de componente cruzado para croma BR112022000953A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1911952.8A GB2586484B (en) 2019-08-20 2019-08-20 A filter
PCT/EP2020/073122 WO2021032751A1 (en) 2019-08-20 2020-08-18 Cross-component adaptive loop filter for chroma

Publications (1)

Publication Number Publication Date
BR112022000953A2 true BR112022000953A2 (pt) 2022-04-12

Family

ID=68099488

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112022000953A BR112022000953A2 (pt) 2019-08-20 2020-08-18 Filtro de loop adaptável de componente cruzado para croma

Country Status (9)

Country Link
US (1) US20220312006A1 (pt)
EP (1) EP4018650A1 (pt)
JP (2) JP7308983B2 (pt)
KR (1) KR20220041939A (pt)
CN (1) CN114258683A (pt)
BR (1) BR112022000953A2 (pt)
GB (1) GB2586484B (pt)
TW (1) TWI793438B (pt)
WO (1) WO2021032751A1 (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4024859A4 (en) * 2019-08-29 2023-08-23 LG Electronics Inc. DEVICE AND METHOD FOR ENCODING VIDEO BASED ON FILTERING
US11962767B2 (en) 2019-08-29 2024-04-16 Lg Electronics Inc. Apparatus and method for coding image
WO2021045130A1 (en) * 2019-09-03 2021-03-11 Panasonic Intellectual Property Corporation Of America System and method for video coding
EP4032290A4 (en) 2019-10-18 2022-11-30 Beijing Bytedance Network Technology Co., Ltd. SYNTAX CONSTRAINTS IN REPORTING SUBPICTURE PARAMETER SETS
WO2021083259A1 (en) * 2019-10-29 2021-05-06 Beijing Bytedance Network Technology Co., Ltd. Signaling of cross-component adaptive loop filter
CN113132739B (zh) * 2019-12-31 2022-11-01 杭州海康威视数字技术股份有限公司 边界强度确定、编解码方法、装置及其设备
KR20220152212A (ko) * 2020-03-11 2022-11-15 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 양자화 파라미터를 위한 높은 레벨의 비트스트림 신택스
EP4154537A4 (en) 2020-05-31 2024-02-07 Beijing Bytedance Network Tech Co Ltd PALETTE MODE WITH LOCAL DOUBLE TREE MODE TYPE DEFINITION
WO2023201930A1 (en) * 2022-04-20 2023-10-26 Beijing Bytedance Network Technology Co., Ltd. Method, apparatus, and medium for video processing
WO2024027566A1 (en) * 2022-08-02 2024-02-08 Mediatek Inc. Constraining convolution model coefficient

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130083844A1 (en) * 2011-09-30 2013-04-04 In Suk Chong Coefficient coding for sample adaptive offset and adaptive loop filter
US9591331B2 (en) * 2012-03-28 2017-03-07 Qualcomm Incorporated Merge signaling and loop filter on/off signaling
WO2014052731A2 (en) * 2012-09-28 2014-04-03 Vid Scale, Inc. Cross-plane filtering for chroma signal enhancement in video coding
US9686561B2 (en) * 2013-06-17 2017-06-20 Qualcomm Incorporated Inter-component filtering
US20150382016A1 (en) * 2014-06-27 2015-12-31 Mitsubishi Electric Research Laboratories, Inc. Method for Processing Multi-Component Video and Images
US20160105685A1 (en) * 2014-10-08 2016-04-14 Qualcomm Incorporated Boundary filtering and cross-component prediction in video coding
CN107534769B (zh) * 2015-04-17 2021-08-03 交互数字麦迪逊专利控股公司 用于高动态范围视频译码的色度增强滤波
TW201642655A (zh) * 2015-04-21 2016-12-01 Ｖｉｄ衡器股份有限公司 基於藝術意向之視訊編碼
KR20230128138A (ko) * 2015-07-08 2023-09-01 인터디지털 매디슨 페턴트 홀딩스 에스에이에스 교차 평면 필터링을 이용한 향상된 크로마 코딩
US11134259B2 (en) * 2016-01-15 2021-09-28 Interdigital Madison Patent Holdings, Sas System and method for enhanced motion compensation using adaptive filtering
US10419757B2 (en) * 2016-08-31 2019-09-17 Qualcomm Incorporated Cross-component filter
GB2590844B (en) * 2018-08-17 2023-05-03 Beijing Bytedance Network Tech Co Ltd Simplified cross component prediction
US11159789B2 (en) * 2018-10-24 2021-10-26 City University Of Hong Kong Generative adversarial network based intra prediction for video coding
US11095921B2 (en) * 2018-12-18 2021-08-17 Tencent America LLC Method and apparatus for video encoding or decoding
CN113396592B (zh) * 2019-02-02 2023-11-14 北京字节跳动网络技术有限公司 用于视频编解码中的帧内块复制的缓冲区管理
WO2020262396A1 (en) * 2019-06-24 2020-12-30 Sharp Kabushiki Kaisha Systems and methods for reducing a reconstruction error in video coding based on a cross-component correlation
US11197030B2 (en) * 2019-08-08 2021-12-07 Panasonic Intellectual Property Corporation Of America System and method for video coding

Also Published As

Publication number Publication date
WO2021032751A1 (en) 2021-02-25
GB2586484B (en) 2023-03-08
JP2022539656A (ja) 2022-09-13
TW202110181A (zh) 2021-03-01
GB201911952D0 (en) 2019-10-02
KR20220041939A (ko) 2022-04-01
JP7308983B2 (ja) 2023-07-14
US20220312006A1 (en) 2022-09-29
GB2586484A (en) 2021-02-24
EP4018650A1 (en) 2022-06-29
JP2023123772A (ja) 2023-09-05
CN114258683A (zh) 2022-03-29
TWI793438B (zh) 2023-02-21

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Free format text: O PEDIDO FOI DIVIDIDO NO BR122023016483-0 PROTOCOLO 870230072640 EM 16/08/2023 15:46.O PEDIDO FOI DIVIDIDO NO BR122023016484-9 PROTOCOLO 870230072643 EM 16/08/2023 15:49.O PEDIDO FOI DIVIDIDO NO BR122023016486-5 PROTOCOLO 870230072648 EM 16/08/2023 15:52.O PEDIDO FOI DIVIDIDO NO BR122023016488-1 PROTOCOLO 870230072652 EM 16/08/2023 15:55.O PEDIDO FOI DIVIDIDO NO BR122023016489-0 PROTOCOLO 870230072654 EM 16/08/2023 15:59.