MX2021006128A - Un codificador, un decodificador y metodos correspondientes de adaptacion de filtro de desbloqueo. - Google Patents

Un codificador, un decodificador y metodos correspondientes de adaptacion de filtro de desbloqueo.

Info

Publication number
MX2021006128A
MX2021006128A MX2021006128A MX2021006128A MX2021006128A MX 2021006128 A MX2021006128 A MX 2021006128A MX 2021006128 A MX2021006128 A MX 2021006128A MX 2021006128 A MX2021006128 A MX 2021006128A MX 2021006128 A MX2021006128 A MX 2021006128A
Authority
MX
Mexico
Prior art keywords
decoder
encoder
deblocking filter
corresponding methods
filter adaptation
Prior art date
Application number
MX2021006128A
Other languages
English (en)
Inventor
Semih Esenlik
Jianle Chen
Biao Wang
Anand Meher Kotra
Han Gao
Original Assignee
Huawei Tech 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 Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of MX2021006128A publication Critical patent/MX2021006128A/es

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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
    • H04N19/134—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
    • H04N19/85—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
    • H04N19/103—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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/12—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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/157—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
    • H04N19/169—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
    • H04N19/60—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
    • H04N19/80—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)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

La presente descripción proporciona un método de codificación, en donde la codificación incluye decodificación o codificación, y el método comprende determinar si una unidad de codificación actual se predice mediante la aplicación de inter-intrapredicción combinada, CIIP; y luego de determinar que la unidad de codificación actual se predice mediante la aplicación de CIIP, establecer una intensidad de límite de un límite de la unidad de codificación actual a un primer valor.
MX2021006128A 2019-01-17 2020-01-16 Un codificador, un decodificador y metodos correspondientes de adaptacion de filtro de desbloqueo. MX2021006128A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962793840P 2019-01-17 2019-01-17
PCT/CN2020/072442 WO2020147782A1 (en) 2019-01-17 2020-01-16 An encoder, a decoder and corresponding methods of deblocking filter adaptation

Publications (1)

Publication Number Publication Date
MX2021006128A true MX2021006128A (es) 2021-06-23

Family

ID=71614450

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2021006128A MX2021006128A (es) 2019-01-17 2020-01-16 Un codificador, un decodificador y metodos correspondientes de adaptacion de filtro de desbloqueo.

Country Status (10)

Country Link
US (1) US11962783B2 (es)
EP (1) EP3868110A4 (es)
JP (2) JP7351908B2 (es)
KR (2) KR20210088697A (es)
CN (3) CN117880499A (es)
AU (1) AU2020208699A1 (es)
BR (1) BR112021013644A2 (es)
CA (1) CA3120828A1 (es)
MX (1) MX2021006128A (es)
WO (1) WO2020147782A1 (es)

Families Citing this family (4)

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CN112514402A (zh) * 2018-07-30 2021-03-16 三星电子株式会社 用于图像编码的方法和设备以及用于图像解码的方法和设备
WO2021157536A1 (ja) * 2020-02-06 2021-08-12 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法、および復号方法
EP4218235A4 (en) * 2020-09-23 2024-04-03 Beijing Dajia Internet Information Tech Co Ltd ENHANCEMENT OF CHROMINANCE CODING IN ADAPTIVE INTER-COMPONENT SAMPLE SHIFT WITH VIRTUAL BOUNDARY
CN114501035B (zh) * 2022-01-26 2024-02-13 百果园技术(新加坡)有限公司 视频编解码滤波处理方法、系统、设备及存储介质

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JP2007503775A (ja) * 2003-08-26 2007-02-22 トムソン ライセンシング ハイブリッド・イントラ・インター符号化ブロックを符号化する方法及び装置
CN101472176A (zh) * 2007-12-29 2009-07-01 智多微电子（上海）有限公司 基于边界强度因子进行去块效应滤波的解码方法和装置
US9185430B2 (en) * 2010-03-15 2015-11-10 Mediatek Singapore Pte. Ltd. Deblocking filtering method and deblocking filter
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KR102219231B1 (ko) * 2011-09-20 2021-02-23 엘지전자 주식회사 영상 정보 인코딩/디코딩 방법 및 장치
JP2013098876A (ja) * 2011-11-02 2013-05-20 Sony Corp 画像処理装置および方法
US9374578B1 (en) * 2013-05-23 2016-06-21 Google Inc. Video coding using combined inter and intra predictors
US9832467B2 (en) * 2014-10-07 2017-11-28 Qualcomm Incorporated Deblock filtering for intra block copying
CN115134609A (zh) * 2015-06-11 2022-09-30 杜比实验室特许公司 使用自适应去块滤波编码和解码图像的方法及其装置
WO2018224004A1 (en) * 2017-06-07 2018-12-13 Mediatek Inc. Method and apparatus of intra-inter prediction mode for video coding
US11172203B2 (en) * 2017-08-08 2021-11-09 Mediatek Inc. Intra merge prediction
CN112514402A (zh) 2018-07-30 2021-03-16 三星电子株式会社 用于图像编码的方法和设备以及用于图像解码的方法和设备
US11652984B2 (en) * 2018-11-16 2023-05-16 Qualcomm Incorporated Position-dependent intra-inter prediction combination in video coding
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Also Published As

Publication number Publication date
CN117880498A (zh) 2024-04-12
CN117880499A (zh) 2024-04-12
BR112021013644A2 (pt) 2021-09-14
KR20210088697A (ko) 2021-07-14
JP7351908B2 (ja) 2023-09-27
WO2020147782A1 (en) 2020-07-23
CN113196783A (zh) 2021-07-30
AU2020208699A1 (en) 2021-06-10
JP2022517488A (ja) 2022-03-09
KR20240064039A (ko) 2024-05-10
CN113196783B (zh) 2023-12-15
US11962783B2 (en) 2024-04-16
CA3120828A1 (en) 2020-07-23
JP2023169288A (ja) 2023-11-29
EP3868110A4 (en) 2021-12-22
US20210337211A1 (en) 2021-10-28
EP3868110A1 (en) 2021-08-25

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