CN114450964A - 去块滤波装置、解码装置及程序 - Google Patents

去块滤波装置、解码装置及程序 Download PDF

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Publication number
CN114450964A
CN114450964A CN202180005451.2A CN202180005451A CN114450964A CN 114450964 A CN114450964 A CN 114450964A CN 202180005451 A CN202180005451 A CN 202180005451A CN 114450964 A CN114450964 A CN 114450964A
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China
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block
unit
reconstructed block
filter
prediction
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CN202180005451.2A
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English (en)
Chinese (zh)
Inventor
岩村俊辅
根本慎平
近藤雄一
井口和久
市谷敦郎
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Japan Broadcasting Corp
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Nippon Hoso Kyokai NHK
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Publication of CN114450964A publication Critical patent/CN114450964A/zh
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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
    • H04N19/85—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
    • H04N19/134—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
    • H04N19/157—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
    • H04N19/10—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
    • H04N19/18—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 set of transform coefficients
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202180005451.2A 2020-06-10 2021-06-08 去块滤波装置、解码装置及程序 Pending CN114450964A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020-101293 2020-06-10
JP2020101293 2020-06-10
PCT/JP2021/021814 WO2021251398A1 (ja) 2020-06-10 2021-06-08 デブロッキングフィルタ装置、復号装置、及びプログラム

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CN114450964A true CN114450964A (zh) 2022-05-06

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US (2) US12212744B2 (https=)
JP (3) JP7343702B2 (https=)
CN (1) CN114450964A (https=)
WO (1) WO2021251398A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114450964A (zh) * 2020-06-10 2022-05-06 日本放送协会 去块滤波装置、解码装置及程序

Citations (3)

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US20130287097A1 (en) * 2010-07-20 2013-10-31 Sk Telecom Co., Ltd. Method and device for deblocking-filtering, and method and device for encoding and decoding using same
CN103621083A (zh) * 2011-06-30 2014-03-05 三菱电机株式会社 图像编码装置、图像解码装置、图像编码方法以及图像解码方法
WO2020223496A1 (en) * 2019-04-30 2020-11-05 Beijing Dajia Internet Informationtechnology Co., Ltd. Methods and apparatus of joint coding of chroma residuals

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US10182241B2 (en) * 2014-03-04 2019-01-15 Microsoft Technology Licensing, Llc Encoding strategies for adaptive switching of color spaces, color sampling rates and/or bit depths
BR112017004886A2 (pt) * 2014-09-12 2017-12-05 Vid Scale Inc dispositivo de codificação de vídeo e método de codificação de vídeo
JP7343596B6 (ja) * 2019-08-23 2024-02-26 華為技術有限公司 合同クロマ符号化を使用するブロックについてクロマ・ブロッキング解除を実行するためのエンコーダ、デコーダおよび対応する方法
WO2021086021A1 (ko) * 2019-10-28 2021-05-06 엘지전자 주식회사 적응적 변환을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
CN114902657B (zh) * 2019-12-31 2025-06-13 字节跳动有限公司 视频编解码中的自适应颜色变换
CN114450964A (zh) * 2020-06-10 2022-05-06 日本放送协会 去块滤波装置、解码装置及程序

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130287097A1 (en) * 2010-07-20 2013-10-31 Sk Telecom Co., Ltd. Method and device for deblocking-filtering, and method and device for encoding and decoding using same
CN103621083A (zh) * 2011-06-30 2014-03-05 三菱电机株式会社 图像编码装置、图像解码装置、图像编码方法以及图像解码方法
WO2020223496A1 (en) * 2019-04-30 2020-11-05 Beijing Dajia Internet Informationtechnology Co., Ltd. Methods and apparatus of joint coding of chroma residuals

Non-Patent Citations (1)

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Title
BENJAMIN BROSS ET AL: "Versatile Video Coding (Draft 5)", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11 14TH MEETING, 2 July 2019 (2019-07-02), pages 7 *

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JP2023162377A (ja) 2023-11-08
US20250119542A1 (en) 2025-04-10
US20220217339A1 (en) 2022-07-07
US12212744B2 (en) 2025-01-28
JPWO2021251398A1 (https=) 2021-12-16
WO2021251398A1 (ja) 2021-12-16
JP7343702B2 (ja) 2023-09-12
JP7695310B2 (ja) 2025-06-18
JP2025124883A (ja) 2025-08-26

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