HK1149664A1 - Method and apparatus for controlling loop filtering or post filtering in block based motion compensated video coding - Google Patents

Method and apparatus for controlling loop filtering or post filtering in block based motion compensated video coding

Info

Publication number
HK1149664A1
HK1149664A1 HK11107465.8A HK11107465A HK1149664A1 HK 1149664 A1 HK1149664 A1 HK 1149664A1 HK 11107465 A HK11107465 A HK 11107465A HK 1149664 A1 HK1149664 A1 HK 1149664A1
Authority
HK
Hong Kong
Prior art keywords
filtering
video coding
block based
motion compensated
based motion
Prior art date
Application number
HK11107465.8A
Other languages
English (en)
Inventor
Shijun Sun
Shawmin Lei
Original Assignee
Sharp 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 Sharp Kk filed Critical Sharp Kk
Publication of HK1149664A1 publication Critical patent/HK1149664A1/xx

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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/136Incoming video signal characteristics or properties
    • 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/189Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/527Global motion vector estimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/573Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/577Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • H04N19/895Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder in combination with error concealment
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/60Methods 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
    • H04N19/85Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86Methods 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

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)
  • Color Television Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
HK11107465.8A 2001-03-26 2010-03-09 Method and apparatus for controlling loop filtering or post filtering in block based motion compensated video coding HK1149664A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/817,701 US6931063B2 (en) 2001-03-26 2001-03-26 Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video coding
HK10102452.5A HK1134615A1 (en) 2001-03-26 2010-03-09 Method and apparatus for controlling loop filtering or post filtering in block based motion compensated video coding

Publications (1)

Publication Number Publication Date
HK1149664A1 true HK1149664A1 (en) 2011-10-07

Family

ID=25223683

Family Applications (4)

Application Number Title Priority Date Filing Date
HK11107464.9A HK1149663A1 (en) 2001-03-26 2010-03-09 Apparatus for controlling loop filtering or post filtering in block based motion compensated video coding
HK10102452.5A HK1134615A1 (en) 2001-03-26 2010-03-09 Method and apparatus for controlling loop filtering or post filtering in block based motion compensated video coding
HK11107536.3A HK1153596A1 (en) 2001-03-26 2010-03-09 Method and apparatus for controlling loop filtering or post filtering in block based motion compensated video coding
HK11107465.8A HK1149664A1 (en) 2001-03-26 2010-03-09 Method and apparatus for controlling loop filtering or post filtering in block based motion compensated video coding

Family Applications Before (3)

Application Number Title Priority Date Filing Date
HK11107464.9A HK1149663A1 (en) 2001-03-26 2010-03-09 Apparatus for controlling loop filtering or post filtering in block based motion compensated video coding
HK10102452.5A HK1134615A1 (en) 2001-03-26 2010-03-09 Method and apparatus for controlling loop filtering or post filtering in block based motion compensated video coding
HK11107536.3A HK1153596A1 (en) 2001-03-26 2010-03-09 Method and apparatus for controlling loop filtering or post filtering in block based motion compensated video coding

Country Status (5)

Country Link
US (10) US6931063B2 (de)
EP (7) EP1596604B1 (de)
JP (15) JP3688248B2 (de)
DE (3) DE60234875D1 (de)
HK (4) HK1149663A1 (de)

Families Citing this family (77)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6931063B2 (en) * 2001-03-26 2005-08-16 Sharp Laboratories Of America, Inc. Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video coding
US7450641B2 (en) * 2001-09-14 2008-11-11 Sharp Laboratories Of America, Inc. Adaptive filtering based upon boundary strength
KR100538215B1 (ko) * 2002-01-23 2005-12-21 삼성전자주식회사 고속 후처리가 가능한 영상 재생 장치 및 그 방법
CA2448064C (en) 2002-07-11 2012-08-07 Matsushita Electric Industrial Co., Ltd. Filtering strength determination method, moving picture coding method and moving picture decoding method
KR100943581B1 (ko) 2002-07-11 2010-02-23 파나소닉 주식회사 필터링 강도의 결정 방법, 동화상 부호화 방법 및 동화상복호화 방법
US7463688B2 (en) * 2003-01-16 2008-12-09 Samsung Electronics Co., Ltd. Methods and apparatus for removing blocking artifacts of MPEG signals in real-time video reception
EP1443776B1 (de) * 2003-01-29 2012-08-15 Sony Deutschland GmbH Videosignalverarbeitungssystem
KR20060109247A (ko) 2005-04-13 2006-10-19 엘지전자 주식회사 베이스 레이어 픽처를 이용하는 영상신호의 엔코딩/디코딩방법 및 장치
KR20060105407A (ko) * 2005-04-01 2006-10-11 엘지전자 주식회사 영상 신호의 스케일러블 인코딩 및 디코딩 방법
US8761252B2 (en) 2003-03-27 2014-06-24 Lg Electronics Inc. Method and apparatus for scalably encoding and decoding video signal
JP3997171B2 (ja) 2003-03-27 2007-10-24 株式会社エヌ・ティ・ティ・ドコモ 動画像符号化装置、動画像符号化方法、動画像符号化プログラム、動画像復号装置、動画像復号方法、及び動画像復号プログラム
WO2005002230A1 (ja) * 2003-06-27 2005-01-06 Mitsubishi Denki Kabushiki Kaisha ポストフィルタ及びポストフィルタ処理方法並びに映像信号復号化装置
US20050013494A1 (en) * 2003-07-18 2005-01-20 Microsoft Corporation In-loop deblocking filter
US7724827B2 (en) * 2003-09-07 2010-05-25 Microsoft Corporation Multi-layer run level encoding and decoding
US8625680B2 (en) * 2003-09-07 2014-01-07 Microsoft Corporation Bitstream-controlled post-processing filtering
GB2426157B (en) * 2003-11-20 2009-03-11 Research In Motion Ltd Seamless call switching in a dual mode environment
EP1534016A3 (de) * 2003-11-21 2007-03-07 Matsushita Electric Industrial Co., Ltd. Geräuschdämpfende Bildverarbeitung stützend auf die Häufingkeit von Quantisierungsniveaus von Koeffizienten und auf Bewegungsvektoren
CN1285214C (zh) * 2004-01-14 2006-11-15 华中科技大学 一种环路滤波方法和环路滤波器
EP1555832A3 (de) * 2004-01-14 2011-05-18 Samsung Electronics Co., Ltd. Adaptiver Filter zur Beseitigung von Blockartefakten
KR101000926B1 (ko) * 2004-03-11 2010-12-13 삼성전자주식회사 영상의 불연속성을 제거하기 위한 필터 및 필터링 방법
JP4419062B2 (ja) * 2004-03-29 2010-02-24 ソニー株式会社 画像処理装置および方法、記録媒体、並びにプログラム
KR100631768B1 (ko) * 2004-04-14 2006-10-09 삼성전자주식회사 비디오 코딩에서 프레임간 예측방법 및 비디오 인코더와,비디오 디코딩방법 및 비디오 디코더
EP1592259B1 (de) * 2004-04-30 2011-10-05 Panasonic Corporation Verarbeitung von Hilfsdaten von Videosequenzen
NO320048B1 (no) 2004-06-14 2005-10-17 Tandberg Telecom As Fremgangsmate for chroma de-blokking
KR100619041B1 (ko) 2004-07-22 2006-09-01 삼성전자주식회사 비디오 동기화 장치 및 비디오 동기화 방법
KR100714853B1 (ko) 2004-10-21 2007-05-04 주식회사 렛스비전 동영상 압축 시스템에서 루프 필터와 포스트 필터의적응적인 통합 적용장치
JP4277793B2 (ja) * 2004-12-17 2009-06-10 ソニー株式会社 画像処理装置、符号化装置およびそれらの方法
US7136536B2 (en) * 2004-12-22 2006-11-14 Telefonaktiebolaget L M Ericsson (Publ) Adaptive filter
JP4191729B2 (ja) * 2005-01-04 2008-12-03 三星電子株式会社 イントラblモードを考慮したデブロックフィルタリング方法、及び該方法を用いる多階層ビデオエンコーダ/デコーダ
KR20060099236A (ko) * 2005-03-11 2006-09-19 삼성전자주식회사 동기신호 검출장치 및 이를 이용한 vsb 수신기 그리고그 방법
US8660180B2 (en) * 2005-04-01 2014-02-25 Lg Electronics Inc. Method and apparatus for scalably encoding and decoding video signal
US8520739B2 (en) 2005-05-09 2013-08-27 Intel Corporation Method and apparatus for adaptively reducing artifacts in block-coded video
JP2008545150A (ja) * 2005-05-11 2008-12-11 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 紫外及び/又は深紫外波長についての光走査装置のための対物レンズ系
US8045615B2 (en) * 2005-05-25 2011-10-25 Qualcomm Incorporated Deblock filtering techniques for video coding according to multiple video standards
US8755434B2 (en) * 2005-07-22 2014-06-17 Lg Electronics Inc. Method and apparatus for scalably encoding and decoding video signal
KR100710338B1 (ko) * 2005-08-29 2007-04-23 엘지전자 주식회사 멀티 포맷 비디오 디코더 및 디블로킹 필터링 방법
JP2009506699A (ja) * 2005-08-29 2009-02-12 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ブロックに基づく画像伸長により得られる画像をフィルタリングする装置
US8155189B2 (en) * 2005-10-19 2012-04-10 Freescale Semiconductor, Inc. System and method of coding mode decision for video encoding
US8233535B2 (en) * 2005-11-18 2012-07-31 Apple Inc. Region-based processing of predicted pixels
US8094959B2 (en) * 2005-12-09 2012-01-10 Seiko Epson Corporation Efficient detection of camera shake
US20070291839A1 (en) * 2006-06-15 2007-12-20 Faraday Technology Corp. Method and device for multimedia processing
US20080084932A1 (en) * 2006-10-06 2008-04-10 Microsoft Corporation Controlling loop filtering for interlaced video frames
US20080101469A1 (en) * 2006-10-31 2008-05-01 Motorola, Inc. Method and apparatus for adaptive noise filtering of pixel data
JP5801032B2 (ja) 2006-11-08 2015-10-28 トムソン ライセンシングThomson Licensing インループのアーチファクト除去フィルタリングのための方法および装置
KR101370287B1 (ko) * 2006-11-22 2014-03-07 세종대학교산학협력단 디블록킹 필터링 방법 및 장치
US9961372B2 (en) * 2006-12-08 2018-05-01 Nxp Usa, Inc. Adaptive disabling of deblock filtering based on a content characteristic of video information
US9445128B2 (en) 2006-12-08 2016-09-13 Freescale Semiconductor, Inc. System and method of determining deblocking control flag of scalable video system for indicating presentation of deblocking parameters for multiple layers
US20080267297A1 (en) * 2007-04-26 2008-10-30 Polycom, Inc. De-blocking filter arrangements
US8619880B2 (en) * 2007-10-10 2013-12-31 Qualcomm Incorporated Universal blockiness correction
JP5050158B2 (ja) * 2008-06-02 2012-10-17 株式会社メガチップス トランスコーダ
US20090304086A1 (en) * 2008-06-06 2009-12-10 Apple Inc. Method and system for video coder and decoder joint optimization
CN102067600B (zh) * 2008-06-12 2015-05-20 汤姆森特许公司 将局部自适应滤波用于运动补偿内插和基准画面滤波的方法和装置
JP5089504B2 (ja) 2008-07-01 2012-12-05 株式会社エヌ・ティ・ティ・ドコモ 無線通信システム、基地局及びユーザ装置並びに方法
US8457396B2 (en) * 2009-08-11 2013-06-04 Microsoft Corporation Digital image compression and decompression
JP5583992B2 (ja) * 2010-03-09 2014-09-03 パナソニック株式会社 信号処理装置
MY191783A (en) 2010-04-13 2022-07-15 Samsung Electronics Co Ltd Video encoding method and video encoding apparatus and video decoding method and video decoding apparatus, which perform deblocking filtering based on tree-structure encoding units
KR20110123651A (ko) 2010-05-07 2011-11-15 한국전자통신연구원 생략 부호화를 이용한 영상 부호화 및 복호화 장치 및 그 방법
TWI508534B (zh) * 2010-05-18 2015-11-11 Sony Corp Image processing apparatus and image processing method
US8805100B2 (en) 2010-06-03 2014-08-12 Sharp Kabushiki Kaisha Filter device, image decoding device, image encoding device, and filter parameter data structure
JP5732765B2 (ja) * 2010-07-22 2015-06-10 富士ゼロックス株式会社 画像データ復号装置
US8976856B2 (en) * 2010-09-30 2015-03-10 Apple Inc. Optimized deblocking filters
US8787443B2 (en) 2010-10-05 2014-07-22 Microsoft Corporation Content adaptive deblocking during video encoding and decoding
US9042458B2 (en) 2011-04-01 2015-05-26 Microsoft Technology Licensing, Llc Multi-threaded implementations of deblock filtering
US9445093B2 (en) * 2011-06-29 2016-09-13 Qualcomm Incorporated Multiple zone scanning order for video coding
JP5709996B2 (ja) 2011-06-30 2015-04-30 三菱電機株式会社 画像復号装置及び画像復号方法
CN108696753B (zh) 2011-09-20 2021-07-27 Lg 电子株式会社 用于编码/解码图像信息的方法和装置
PT2775711T (pt) 2011-11-04 2020-04-03 Lg Electronics Inc Método e aparelhos para codificação/descodificação de informação em vídeo no campo técnico
JP6399433B2 (ja) * 2013-05-31 2018-10-03 サン パテント トラスト 画像符号化方法、画像復号方法、画像符号化装置及び画像復号装置
CN105096351B (zh) * 2014-05-19 2018-04-17 北京大学 图像去块效应处理方法和装置
US10110926B2 (en) 2015-10-15 2018-10-23 Cisco Technology, Inc. Efficient loop filter for video codec
US10091533B2 (en) 2016-02-18 2018-10-02 Cisco Technology, Inc. Generalized filter for removing video compression artifacts
CN105812829B (zh) * 2016-03-10 2018-11-02 福州瑞芯微电子股份有限公司 一种向量场外插的错误隐藏方法和装置
EP3298783B1 (de) 2016-04-15 2020-11-18 Magic Pony Technology Limited Bewegungskompensation mit verwendung von temporärer bildinterpolation
CN110024387B (zh) * 2016-11-28 2021-10-08 日本放送协会 编码装置、解码装置、编码方法和解码方法
JP7418152B2 (ja) * 2018-12-17 2024-01-19 キヤノン株式会社 画像符号化装置、画像符号化方法、画像復号装置、画像復号方法
KR20200140096A (ko) 2019-06-05 2020-12-15 삼성전자주식회사 영상의 ai 부호화 및 ai 복호화 방법, 및 장치
CN113709504B (zh) * 2021-10-27 2022-02-15 深圳传音控股股份有限公司 图像处理方法、智能终端及可读存储介质

Family Cites Families (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5072293A (en) * 1989-08-29 1991-12-10 U.S. Philips Corporation Method of estimating motion in a picture signal
JPH03127580A (ja) * 1989-10-13 1991-05-30 Matsushita Electric Ind Co Ltd 動き補償フレーム間符号化装置
JPH0813138B2 (ja) * 1990-11-28 1996-02-07 松下電器産業株式会社 画像符号化装置
JPH04207878A (ja) * 1990-11-30 1992-07-29 Toshiba Corp 動画像管理装置
JP2919986B2 (ja) 1991-03-19 1999-07-19 オリンパス光学工業株式会社 画像信号復号化装置
US5625714A (en) 1991-01-10 1997-04-29 Olympus Optical Co., Ltd. Image signal decoding device capable of removing block distortion with simple structure
US6160503A (en) * 1992-02-19 2000-12-12 8×8, Inc. Deblocking filter for encoder/decoder arrangement and method with divergence reduction
KR960006762B1 (ko) 1992-02-29 1996-05-23 삼성전자주식회사 화상부호화를 위한 효율적인 2차원 데이타의 주사선택회로
US5479211A (en) * 1992-04-30 1995-12-26 Olympus Optical Co., Ltd. Image-signal decoding apparatus
US5367385A (en) * 1992-05-07 1994-11-22 Picturetel Corporation Method and apparatus for processing block coded image data to reduce boundary artifacts between adjacent image blocks
JP3165296B2 (ja) * 1992-12-25 2001-05-14 三菱電機株式会社 フレーム間符号化処理方式及びフレーム間符号化処理方法及び符号化制御方式
US5565921A (en) * 1993-03-16 1996-10-15 Olympus Optical Co., Ltd. Motion-adaptive image signal processing system
US5329318A (en) * 1993-05-13 1994-07-12 Intel Corporation Method for optimizing image motion estimation
US5473384A (en) 1993-12-16 1995-12-05 At&T Corp. Method of and system for enhancing distorted graphical information
FR2718315B1 (fr) * 1994-03-30 1996-06-21 Sgs Thomson Microelectronics Circuit de compression d'image.
JP2924691B2 (ja) 1995-01-26 1999-07-26 日本ビクター株式会社 量子化ノイズの低減方法及び画像データの復号化装置
TW293227B (de) * 1994-11-24 1996-12-11 Victor Company Of Japan
US5654759A (en) 1995-02-15 1997-08-05 Hitachi America Ltd. Methods and apparatus for reducing blockiness in decoded video
KR0174452B1 (ko) 1995-02-28 1999-03-20 배순훈 디지털 영상 복호화장치
DE69619002T2 (de) 1995-03-10 2002-11-21 Toshiba Kawasaki Kk Bildkodierungs-/-dekodierungsvorrichtung
US6041145A (en) * 1995-11-02 2000-03-21 Matsushita Electric Industrial Co., Ltd. Device and method for smoothing picture signal, device and method for encoding picture and device and method for decoding picture
JPH09163373A (ja) * 1995-12-08 1997-06-20 Toshiba Corp 雑音低減装置
US5737019A (en) * 1996-01-29 1998-04-07 Matsushita Electric Corporation Of America Method and apparatus for changing resolution by direct DCT mapping
US5974196A (en) 1996-03-15 1999-10-26 Sony Corporation Method and apparatus for blocking effect reduction in images
US5933542A (en) 1996-04-24 1999-08-03 Sony Corporation Method and apparatus for blocking effect reduction in images by post-processing in the spatial domain
DE69738787D1 (de) 1996-05-14 2008-07-31 Daewoo Electronics Corp Reduzierung von Blockeffekten in einem Bewegtbilddekoder
KR100230841B1 (ko) 1996-05-14 1999-11-15 전주범 동영상 복호기의 블록화 현상 제거 방법 및 그 장치(Method of and Device for eliminating blocking effect in a motion picture decoder)
DE19626985C1 (de) 1996-07-04 1998-01-02 Siemens Ag Verfahren und Anordnung zur Reduktion von Codierungsartefakten von blockbasierten Bildcodierungsverfahren und objektbasierten Bildcodierungsverfahren
US5987184A (en) 1996-09-30 1999-11-16 Kweon; Ji-Heon Device for coding/decoding image information
JP3466032B2 (ja) 1996-10-24 2003-11-10 富士通株式会社 動画像符号化装置および復号化装置
US6057884A (en) 1997-06-05 2000-05-02 General Instrument Corporation Temporal and spatial scaleable coding for video object planes
US6044177A (en) 1997-06-18 2000-03-28 Hewlett-Packard Company Artifact reduction decompression method and apparatus for interpolated images
JPH11275584A (ja) 1998-03-23 1999-10-08 Hitachi Ltd 画像信号のブロック歪み低減回路
RU2154918C1 (ru) 1998-08-01 2000-08-20 Самсунг Электроникс Ко., Лтд. Способ и устройство для цикл-фильтрации данных изображения
JP4004653B2 (ja) * 1998-08-03 2007-11-07 カスタム・テクノロジー株式会社 動きベクトル検出方法および装置、記録媒体
US6459814B1 (en) 1998-09-08 2002-10-01 Sarnoff Corporation Method and apparatus for generic scalable shape coding by deriving shape information for chrominance components from luminance component
JP2000299864A (ja) 1999-04-12 2000-10-24 Canon Inc 動画像処理方法
JP2001094996A (ja) 1999-07-19 2001-04-06 Sony Corp ブロック歪低減方法及びブロック歪低減装置
JP2001204029A (ja) 1999-08-25 2001-07-27 Matsushita Electric Ind Co Ltd ノイズ検出方法、ノイズ検出装置及び画像復号化装置
KR100644498B1 (ko) 1999-08-25 2006-11-10 마츠시타 덴끼 산교 가부시키가이샤 노이즈 검출방법과 노이즈 검출장치 및 화상 복호화장치
FI117533B (fi) 2000-01-20 2006-11-15 Nokia Corp Menetelmä digitaalisten videokuvien suodattamiseksi
JP3664626B2 (ja) 2000-02-10 2005-06-29 シャープ株式会社 フィルタ装置
US6618445B1 (en) * 2000-11-09 2003-09-09 Koninklijke Philips Electronics N.V. Scalable MPEG-2 video decoder
US6931063B2 (en) * 2001-03-26 2005-08-16 Sharp Laboratories Of America, Inc. Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video coding
US7450641B2 (en) 2001-09-14 2008-11-11 Sharp Laboratories Of America, Inc. Adaptive filtering based upon boundary strength
CN101448162B (zh) * 2001-12-17 2013-01-02 微软公司 处理视频图像的方法
US6907079B2 (en) * 2002-05-01 2005-06-14 Thomson Licensing S.A. Deblocking filter conditioned on pixel brightness
US7319415B2 (en) * 2002-05-01 2008-01-15 Thomson Licensing Chroma deblocking filter
US7227901B2 (en) 2002-11-21 2007-06-05 Ub Video Inc. Low-complexity deblocking filter
US7167522B2 (en) * 2003-02-27 2007-01-23 Texas Instruments Incorporated Video deblocking filter
KR20060105407A (ko) 2005-04-01 2006-10-11 엘지전자 주식회사 영상 신호의 스케일러블 인코딩 및 디코딩 방법
JP2004328634A (ja) 2003-04-28 2004-11-18 Sony Corp 画像復号化装置及び方法
US8625680B2 (en) * 2003-09-07 2014-01-07 Microsoft Corporation Bitstream-controlled post-processing filtering
JP4191729B2 (ja) 2005-01-04 2008-12-03 三星電子株式会社 イントラblモードを考慮したデブロックフィルタリング方法、及び該方法を用いる多階層ビデオエンコーダ/デコーダ
KR100679035B1 (ko) 2005-01-04 2007-02-06 삼성전자주식회사 인트라 bl 모드를 고려한 디블록 필터링 방법, 및 상기방법을 이용하는 다 계층 비디오 인코더/디코더
US8315308B2 (en) 2006-01-11 2012-11-20 Qualcomm Incorporated Video coding with fine granularity spatial scalability
KR100819289B1 (ko) * 2006-10-20 2008-04-02 삼성전자주식회사 영상 데이터의 디블록킹 필터링 방법 및 디블록킹 필터
US8204129B2 (en) * 2007-03-27 2012-06-19 Freescale Semiconductor, Inc. Simplified deblock filtering for reduced memory access and computational complexity
US8600179B2 (en) * 2009-09-17 2013-12-03 Samsung Electronics Co., Ltd. Method and apparatus for encoding and decoding image based on skip mode
US9942573B2 (en) * 2011-06-22 2018-04-10 Texas Instruments Incorporated Systems and methods for reducing blocking artifacts

Also Published As

Publication number Publication date
USRE46491E1 (en) 2017-07-25
DE60215241T2 (de) 2007-05-24
JP4723026B2 (ja) 2011-07-13
JP4666415B2 (ja) 2011-04-06
HK1153596A1 (en) 2012-03-30
USRE43628E1 (en) 2012-09-04
JP3688248B2 (ja) 2005-08-24
EP1727373A3 (de) 2006-12-13
USRE46482E1 (en) 2017-07-18
JP2010119121A (ja) 2010-05-27
JP2010104022A (ja) 2010-05-06
JP2010104025A (ja) 2010-05-06
EP2278813A1 (de) 2011-01-26
EP2278814B1 (de) 2012-05-23
JP3714944B2 (ja) 2005-11-09
JP4120989B2 (ja) 2008-07-16
JP2010045831A (ja) 2010-02-25
EP2124453A1 (de) 2009-11-25
DE60220106T2 (de) 2008-01-10
EP1727373B1 (de) 2009-12-23
JP2010119122A (ja) 2010-05-27
JP4717136B2 (ja) 2011-07-06
US7440501B2 (en) 2008-10-21
EP2278813B1 (de) 2012-01-18
EP2124453B1 (de) 2013-01-16
JP4666411B2 (ja) 2011-04-06
JP4717138B2 (ja) 2011-07-06
DE60215241D1 (de) 2006-11-23
JP2008172813A (ja) 2008-07-24
EP1246131A3 (de) 2005-06-15
JP4723027B2 (ja) 2011-07-13
JP4723024B2 (ja) 2011-07-13
USRE44497E1 (en) 2013-09-17
EP2278815B1 (de) 2012-09-05
JP2009105982A (ja) 2009-05-14
US6931063B2 (en) 2005-08-16
JP2002330436A (ja) 2002-11-15
JP2004336818A (ja) 2004-11-25
USRE45250E1 (en) 2014-11-18
HK1134615A1 (en) 2010-04-30
DE60220106D1 (de) 2007-06-21
EP1596604A3 (de) 2005-11-23
JP2010104024A (ja) 2010-05-06
JP4666414B2 (ja) 2011-04-06
US20020136303A1 (en) 2002-09-26
USRE47202E1 (en) 2019-01-08
US20050175103A1 (en) 2005-08-11
JP4666413B2 (ja) 2011-04-06
DE60234875D1 (de) 2010-02-04
EP1596604A2 (de) 2005-11-16
JP2010011510A (ja) 2010-01-14
EP1596604B1 (de) 2007-05-09
JP2010104023A (ja) 2010-05-06
EP1727373A2 (de) 2006-11-29
US20020146072A1 (en) 2002-10-10
EP2278814A1 (de) 2011-01-26
US7352812B2 (en) 2008-04-01
JP4717137B2 (ja) 2011-07-06
JP4723025B2 (ja) 2011-07-13
JP2009273156A (ja) 2009-11-19
HK1149663A1 (en) 2011-10-07
EP2278815A1 (de) 2011-01-26
JP4565010B2 (ja) 2010-10-20
EP1246131B1 (de) 2006-10-11
JP2010119120A (ja) 2010-05-27
JP2004320811A (ja) 2004-11-11
USRE47261E1 (en) 2019-02-26
EP1246131A2 (de) 2002-10-02

Similar Documents

Publication Publication Date Title
HK1134615A1 (en) Method and apparatus for controlling loop filtering or post filtering in block based motion compensated video coding
EP1467569A4 (de) Codierungsverfahren und vorrichtung für bewegliche bilder und decodierungsverfahren und vorrichtung
IL159675A0 (en) Method and apparatus for motion estimation between video frames
EP1445960A4 (de) Codierungsverfahren und decodierungsverfahren für bewegliche bilder
SG106261A1 (en) Moving picture encoding/decoding method and device
PT2320659E (pt) Método de codificação e método de descodificação de imagens em movimento
PT2271107E (pt) Método de codificação de imagens em movimento e método de descodificação de imagens em movimento
PT3525465T (pt) Método e aparelho de descodificação de imagens
EP1397774A4 (de) Verfahren und system zur erzielung von codierungsgewinnen in bildcodecs auf wavelet-basis
PT3200462T (pt) Aparelho de descodificação de vídeo e método de descodificação de vídeo
HK1086636A1 (en) Motion picture subtitle system and method
AU2003203270A1 (en) Moving picture coding method and apparatus and decoding method and apparatus
AU2002343220A1 (en) Moving picture coding method and apparatus
EP1370087A4 (de) Codierungsvorrichtung und decodierungsvorrichtung für bewegliche bilder
EP1584191A4 (de) Verfahren und vorrichtung zur kodierung und dekodierung von stereoskopischen videos
HK1095461A1 (en) Moving picture signal coding method, decoding method, coding apparatus, and decoding apparatus
IL162565A0 (en) Apparatus and method for detection of scene changes in motion video
ZA200500743B (en) Method and apparatus for reducing computational complexity in video encoders
EP1428393A4 (de) Verfahren und vorrichtung zur bewegungsvektorcodierung mit globalen bewegungsparametern
EP1328123A4 (de) Bildcodierungsvorrichtung und bildcodierungsverfahren
GB2364841B (en) Method and apparatus for video encoding
EP1460854A4 (de) Kompressions-/codierungsvorrichtung für bewegte bilder und bewegungsvektordetektionsverfahren
EP1185108A4 (de) Videokodierungsverfahren und -vorrichtung
GB0219985D0 (en) Moving picture coding apparatus and method
GB2379502B (en) A method of using video apparatus to determine occupancy of a region monitored by the video apparatus and video apparatus for use in the method

Legal Events

Date Code Title Description
PE Patent expired

Effective date: 20220319