CN100370837C - 根据像素亮度调整的去块滤波器 - Google Patents

根据像素亮度调整的去块滤波器 Download PDF

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CN100370837C
CN100370837C CNB038133741A CN03813374A CN100370837C CN 100370837 C CN100370837 C CN 100370837C CN B038133741 A CNB038133741 A CN B038133741A CN 03813374 A CN03813374 A CN 03813374A CN 100370837 C CN100370837 C CN 100370837C
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pixel
piece
transition
filtering
brightness
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CN1659794A (zh
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克里斯蒂娜·戈米拉
吉尔·M·博伊斯
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Dolby International AB
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THOMSON LICENSING CORP
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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
    • 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
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • H04N19/182—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 pixel
    • 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
    • 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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CNB038133741A 2002-05-01 2003-04-14 根据像素亮度调整的去块滤波器 Expired - Lifetime CN100370837C (zh)

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US37706102P 2002-05-01 2002-05-01
US60/377,061 2002-05-01
US10/364,430 US6907079B2 (en) 2002-05-01 2003-02-11 Deblocking filter conditioned on pixel brightness
US10/364,430 2003-02-11

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CN1659794A CN1659794A (zh) 2005-08-24
CN100370837C true CN100370837C (zh) 2008-02-20

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US (1) US6907079B2 (https=)
EP (1) EP1500207B1 (https=)
JP (1) JP4518390B2 (https=)
KR (1) KR100942628B1 (https=)
CN (1) CN100370837C (https=)
AU (1) AU2003224957A1 (https=)
BR (1) BR0304656A (https=)
ES (1) ES2785061T3 (https=)
MX (1) MXPA04010857A (https=)
MY (1) MY136053A (https=)
WO (1) WO2003094498A2 (https=)

Families Citing this family (86)

* 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
US7319415B2 (en) * 2002-05-01 2008-01-15 Thomson Licensing Chroma deblocking filter
ATE428997T1 (de) * 2002-11-15 2009-05-15 Qualcomm Inc Vorrichtung und verfahren zur mehrfachbeschreibungskodierung
EP1582061A4 (en) 2003-01-10 2010-09-22 Thomson Licensing DECODING DEVICE AND METHOD FOR THE SMOOTHING OF ARTEFACES PRODUCED DURING ERROR CONSERVATION
EP1588565A1 (en) * 2003-01-20 2005-10-26 Koninklijke Philips Electronics N.V. Video coding
US7995849B2 (en) * 2003-03-17 2011-08-09 Qualcomm, Incorporated Method and apparatus for improving video quality of low bit-rate video
KR100936034B1 (ko) * 2003-08-11 2010-01-11 삼성전자주식회사 블록 단위로 부호화된 디지털 영상의 블로킹 현상을제거하는 방법 및 그 영상재생장치
EP1536647A1 (en) * 2003-11-26 2005-06-01 STMicroelectronics Limited A video decoding device
US7430329B1 (en) * 2003-11-26 2008-09-30 Vidiator Enterprises, Inc. Human visual system (HVS)-based pre-filtering of video data
US7809061B1 (en) 2004-01-22 2010-10-05 Vidiator Enterprises Inc. Method and system for hierarchical data reuse to improve efficiency in the encoding of unique multiple video streams
US7430336B2 (en) * 2004-05-06 2008-09-30 Qualcomm Incorporated Method and apparatus for image enhancement for low bit rate video compression
US7590059B2 (en) * 2004-05-21 2009-09-15 Broadcom Corp. Multistandard video decoder
US7817726B2 (en) * 2004-05-21 2010-10-19 Broadcom Corporation System and method for automatic filter generation using sampled SINC function with windowed smoothing
DE602005015067D1 (de) * 2004-09-30 2009-08-06 Toshiba Kk Informationsbearbeitungsgerät und Programm
JP2006101321A (ja) * 2004-09-30 2006-04-13 Toshiba Corp 情報処理装置および同装置で用いられるプログラム
US7792385B2 (en) * 2005-01-25 2010-09-07 Globalfoundries Inc. Scratch pad for storing intermediate loop filter data
US8576924B2 (en) * 2005-01-25 2013-11-05 Advanced Micro Devices, Inc. Piecewise processing of overlap smoothing and in-loop deblocking
CN100345450C (zh) * 2005-01-31 2007-10-24 浙江大学 视频或图像去块滤波的方法和装置
US7965773B1 (en) 2005-06-30 2011-06-21 Advanced Micro Devices, Inc. Macroblock cache
TWI297994B (en) * 2005-12-08 2008-06-11 Inst Information Industry Encoder, method for adjusting decoding calculation, and computer readable record medium therefor
US7636497B1 (en) 2005-12-27 2009-12-22 Advanced Micro Devices, Inc. Video rotation in a media acceleration engine
JP4643437B2 (ja) * 2005-12-27 2011-03-02 株式会社東芝 情報処理装置
JP5535485B2 (ja) * 2006-01-09 2014-07-02 トムソン ライセンシング 削減された分解能更新モードをマルチビュー・ビデオ符号化に提供する方法及び装置
JP4643453B2 (ja) * 2006-01-10 2011-03-02 株式会社東芝 情報処理装置及び情報処理装置の動画像復号方法
JP4643454B2 (ja) * 2006-01-10 2011-03-02 株式会社東芝 動画像復号装置及び動画像復号方法
JP4649355B2 (ja) * 2006-03-27 2011-03-09 富士通株式会社 ブロックノイズ検出方法及び装置並びにブロックノイズ低減方法及び装置
WO2008030068A1 (en) 2006-09-07 2008-03-13 Lg Electronics Inc. Method and apparatus for decoding/encoding of a video signal
CN101711481B (zh) * 2006-10-18 2013-01-09 汤姆森特许公司 使用预测数据精选进行视频编码的方法和装置
TW200820783A (en) * 2006-10-25 2008-05-01 Realtek Semiconductor Corp Apparatus and method for deblock filtering
CN101395921B (zh) * 2006-11-17 2012-08-22 Lg电子株式会社 用于解码/编码视频信号的方法及装置
US7742524B2 (en) 2006-11-17 2010-06-22 Lg Electronics Inc. Method and apparatus for decoding/encoding a video signal using inter-layer prediction
WO2008084996A1 (en) * 2007-01-11 2008-07-17 Samsung Electronics Co, . Ltd. Method and apparatus for deblocking-filtering video data
KR100901353B1 (ko) * 2007-05-25 2009-06-05 주식회사 코아로직 영상 처리 장치 및 그 방법
KR20100097132A (ko) * 2007-12-11 2010-09-02 톰슨 라이센싱 디스트리뷰션 체인 내에서 트랜스코딩하기 위한 방법 및 시스템
US20090304085A1 (en) * 2008-06-04 2009-12-10 Novafora, Inc. Adaptive Deblocking Complexity Control Apparatus and Method
US8326075B2 (en) 2008-09-11 2012-12-04 Google Inc. System and method for video encoding using adaptive loop filter
US8861586B2 (en) * 2008-10-14 2014-10-14 Nvidia Corporation Adaptive deblocking in a decoding pipeline
US8867605B2 (en) * 2008-10-14 2014-10-21 Nvidia Corporation Second deblocker in a decoding pipeline
US8724694B2 (en) * 2008-10-14 2014-05-13 Nvidia Corporation On-the spot deblocker in a decoding pipeline
US9179166B2 (en) * 2008-12-05 2015-11-03 Nvidia Corporation Multi-protocol deblock engine core system and method
US8761538B2 (en) * 2008-12-10 2014-06-24 Nvidia Corporation Measurement-based and scalable deblock filtering of image data
CN101778188B (zh) * 2009-01-14 2013-01-02 华晶科技股份有限公司 数字图像中的人脸美化方法
JP5597968B2 (ja) 2009-07-01 2014-10-01 ソニー株式会社 画像処理装置および方法、プログラム、並びに記録媒体
KR20110045949A (ko) 2009-10-28 2011-05-04 삼성전자주식회사 회전 변환을 이용한 영상 부호화, 복호화 방법 및 장치
KR20110065092A (ko) * 2009-12-09 2011-06-15 삼성전자주식회사 회전 변환을 이용한 영상 부호화, 복호화 방법 및 장치
US8805100B2 (en) * 2010-06-03 2014-08-12 Sharp Kabushiki Kaisha Filter device, image decoding device, image encoding device, and filter parameter data structure
WO2012050832A1 (en) 2010-09-28 2012-04-19 Google Inc. Systems and methods utilizing efficient video compression techniques for providing static image data
CA2810899C (en) 2010-10-05 2016-08-09 General Instrument Corporation Coding and decoding utilizing adaptive context model selection with zigzag scan
US9930366B2 (en) * 2011-01-28 2018-03-27 Qualcomm Incorporated Pixel level adaptive intra-smoothing
US9729879B2 (en) * 2011-03-10 2017-08-08 Hfi Innovation Inc. Method and apparatus of deblocking filter
US8938001B1 (en) 2011-04-05 2015-01-20 Google Inc. Apparatus and method for coding using combinations
US8781004B1 (en) 2011-04-07 2014-07-15 Google Inc. System and method for encoding video using variable loop filter
US8780971B1 (en) 2011-04-07 2014-07-15 Google, Inc. System and method of encoding using selectable loop filters
US8780996B2 (en) 2011-04-07 2014-07-15 Google, Inc. System and method for encoding and decoding video data
US8989256B2 (en) 2011-05-25 2015-03-24 Google Inc. Method and apparatus for using segmentation-based coding of prediction information
US8891616B1 (en) 2011-07-27 2014-11-18 Google Inc. Method and apparatus for entropy encoding based on encoding cost
US9554128B2 (en) 2011-09-13 2017-01-24 Hfi Innovation Inc. Method and apparatus for reduction of deblocking filter
US8885706B2 (en) 2011-09-16 2014-11-11 Google Inc. Apparatus and methodology for a video codec system with noise reduction capability
US9247257B1 (en) 2011-11-30 2016-01-26 Google Inc. Segmentation based entropy encoding and decoding
US9094681B1 (en) 2012-02-28 2015-07-28 Google Inc. Adaptive segmentation
US9131073B1 (en) 2012-03-02 2015-09-08 Google Inc. Motion estimation aided noise reduction
US11039138B1 (en) 2012-03-08 2021-06-15 Google Llc Adaptive coding of prediction modes using probability distributions
US9781447B1 (en) 2012-06-21 2017-10-03 Google Inc. Correlation based inter-plane prediction encoding and decoding
US9774856B1 (en) 2012-07-02 2017-09-26 Google Inc. Adaptive stochastic entropy coding
US9344729B1 (en) 2012-07-11 2016-05-17 Google Inc. Selective prediction signal filtering
US9167268B1 (en) 2012-08-09 2015-10-20 Google Inc. Second-order orthogonal spatial intra prediction
US9380298B1 (en) 2012-08-10 2016-06-28 Google Inc. Object-based intra-prediction
US9344742B2 (en) 2012-08-10 2016-05-17 Google Inc. Transform-domain intra prediction
US9756346B2 (en) 2012-10-08 2017-09-05 Google Inc. Edge-selective intra coding
US9210432B2 (en) 2012-10-08 2015-12-08 Google Inc. Lossless inter-frame video coding
US9407915B2 (en) 2012-10-08 2016-08-02 Google Inc. Lossless video coding with sub-frame level optimal quantization values
US9369732B2 (en) 2012-10-08 2016-06-14 Google Inc. Lossless intra-prediction video coding
US9628790B1 (en) 2013-01-03 2017-04-18 Google Inc. Adaptive composite intra prediction for image and video compression
US8731282B1 (en) 2013-02-28 2014-05-20 Sonic Ip, Inc. Systems and methods for region of interest background smoothing and compression enhancement
US20140254659A1 (en) * 2013-03-11 2014-09-11 Mediatek Inc. Video coding method using at least evaluated visual quality and related video coding apparatus
US9509998B1 (en) 2013-04-04 2016-11-29 Google Inc. Conditional predictive multi-symbol run-length coding
US9392288B2 (en) 2013-10-17 2016-07-12 Google Inc. Video coding using scatter-based scan tables
US9179151B2 (en) 2013-10-18 2015-11-03 Google Inc. Spatial proximity context entropy coding
WO2015130541A1 (en) * 2014-02-26 2015-09-03 Dolby Laboratories Licensing Corporation Luminance based coding tools for video compression
US10102613B2 (en) 2014-09-25 2018-10-16 Google Llc Frequency-domain denoising
US10110926B2 (en) 2015-10-15 2018-10-23 Cisco Technology, Inc. Efficient loop filter for video codec
US10455254B2 (en) * 2016-11-10 2019-10-22 Mediatek Inc. Method and apparatus of video coding
US10802285B2 (en) 2018-03-05 2020-10-13 Invensas Corporation Remote optical engine for virtual reality or augmented reality headsets
WO2019191646A1 (en) 2018-03-29 2019-10-03 Arris Enterprises Llc System and method for deblocking hdr content
WO2020073969A1 (en) * 2018-10-10 2020-04-16 Huawei Technologies Co., Ltd. An image processing device and method for performing deblocking
US10708626B2 (en) * 2018-11-19 2020-07-07 Google Llc Iterative IDCT with adaptive non-linear filtering

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5126841A (en) * 1989-10-13 1992-06-30 Matsushita Electric Industrial Co., Ltd. Motion compensated prediction interframe coding system
CN1206994A (zh) * 1997-05-14 1999-02-03 索尼公司 信号编码装置和方法、信号记录介质和信号传送方法
US5959672A (en) * 1995-09-29 1999-09-28 Nippondenso Co., Ltd. Picture signal encoding system, picture signal decoding system and picture recognition system
US5987180A (en) * 1997-09-26 1999-11-16 Sarnoff Corporation Multiple component compression encoder motion search method and apparatus

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0717978B2 (ja) * 1991-03-20 1995-03-01 トヨタ自動車株式会社 自己潤滑性に優れる耐摩耗性銅基合金
US6160503A (en) 1992-02-19 2000-12-12 8×8, Inc. Deblocking filter for encoder/decoder arrangement and method with divergence reduction
US6215425B1 (en) 1992-02-19 2001-04-10 Netergy Networks, Inc. Deblocking filter for encoder/decoder arrangement and method with divergence reduction
US6225923B1 (en) 1992-02-19 2001-05-01 Netergy Networks, Inc. Encoder arrangement and bit-exact IDCT protocol
JP3800435B2 (ja) * 1995-10-27 2006-07-26 株式会社東芝 動画像信号処理装置
JP3297293B2 (ja) * 1996-03-07 2002-07-02 三菱電機株式会社 動画像復号方法および動画像復号装置
US6188799B1 (en) 1997-02-07 2001-02-13 Matsushita Electric Industrial Co., Ltd. Method and apparatus for removing noise in still and moving pictures
KR100244290B1 (ko) 1997-09-09 2000-02-01 구자홍 저속 전송에서의 동영상을 위한 디블록킹 필터링 방법
JPH11331615A (ja) * 1998-05-14 1999-11-30 Matsushita Electric Ind Co Ltd 画像圧縮装置
US6434197B1 (en) 1999-01-07 2002-08-13 General Instrument Corporation Multi-functional transcoder for compressed bit streams
JP4438161B2 (ja) * 2000-02-18 2010-03-24 ソニー株式会社 画像処理装置及び画像処理方法
US6626996B1 (en) * 2000-03-14 2003-09-30 Pizza Hut, Inc. Pizza sauce dispensing devices and methods
WO2002005543A1 (en) * 2000-07-06 2002-01-17 Seiko Epson Corporation Image processing method, recording medium, and image processing device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5126841A (en) * 1989-10-13 1992-06-30 Matsushita Electric Industrial Co., Ltd. Motion compensated prediction interframe coding system
US5959672A (en) * 1995-09-29 1999-09-28 Nippondenso Co., Ltd. Picture signal encoding system, picture signal decoding system and picture recognition system
CN1206994A (zh) * 1997-05-14 1999-02-03 索尼公司 信号编码装置和方法、信号记录介质和信号传送方法
US5987180A (en) * 1997-09-26 1999-11-16 Sarnoff Corporation Multiple component compression encoder motion search method and apparatus

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US6907079B2 (en) 2005-06-14
BR0304656A (pt) 2004-07-06
JP2005524347A (ja) 2005-08-11
US20030206664A1 (en) 2003-11-06
AU2003224957A1 (en) 2003-11-17
JP4518390B2 (ja) 2010-08-04
MY136053A (en) 2008-08-29
CN1659794A (zh) 2005-08-24
WO2003094498A3 (en) 2004-03-25
KR100942628B1 (ko) 2010-02-17
KR20040106437A (ko) 2004-12-17
WO2003094498A2 (en) 2003-11-13
MXPA04010857A (es) 2005-02-14
ES2785061T3 (es) 2020-10-05
AU2003224957A8 (en) 2003-11-17
EP1500207A2 (en) 2005-01-26
EP1500207B1 (en) 2020-03-25
EP1500207A4 (en) 2011-01-19

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