[go: up one dir, main page]

DE69837714D1 - Verfahren und gerät fürm bilddatennachbearbeitung zur reduzierung von quantisierungseffekten - Google Patents

Verfahren und gerät fürm bilddatennachbearbeitung zur reduzierung von quantisierungseffekten

Info

Publication number
DE69837714D1
DE69837714D1 DE69837714T DE69837714T DE69837714D1 DE 69837714 D1 DE69837714 D1 DE 69837714D1 DE 69837714 T DE69837714 T DE 69837714T DE 69837714 T DE69837714 T DE 69837714T DE 69837714 D1 DE69837714 D1 DE 69837714D1
Authority
DE
Germany
Prior art keywords
image data
data processing
quantization effects
reducing quantization
reducing
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69837714T
Other languages
English (en)
Other versions
DE69837714T2 (de
Inventor
Yung Lyul Lee
Hyun Wook Park
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Korea Advanced Institute of Science and Technology KAIST
Original Assignee
Samsung Electronics Co Ltd
Korea Advanced Institute of Science and Technology KAIST
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 Samsung Electronics Co Ltd, Korea Advanced Institute of Science and Technology KAIST filed Critical Samsung Electronics Co Ltd
Publication of DE69837714D1 publication Critical patent/DE69837714D1/de
Application granted granted Critical
Publication of DE69837714T2 publication Critical patent/DE69837714T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • H04N19/136—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
    • H04N19/169—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
    • H04N19/182—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
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
    • H04N19/60—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Complex Calculations (AREA)
DE1998637714 1997-10-25 1998-10-09 Verfahren und gerät fürm bilddatennachbearbeitung zur reduzierung von quantisierungseffekten Expired - Lifetime DE69837714T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR9755067 1997-10-25
KR1019970055067A KR100269125B1 (ko) 1997-10-25 1997-10-25 양자화효과감소를위한영상데이터후처리방법및장치
PCT/KR1998/000311 WO1999022509A2 (en) 1997-10-25 1998-10-09 Image data post-processing method for reducing quantization effect, apparatus therefor

Publications (2)

Publication Number Publication Date
DE69837714D1 true DE69837714D1 (de) 2007-06-14
DE69837714T2 DE69837714T2 (de) 2007-08-16

Family

ID=19523434

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1998637714 Expired - Lifetime DE69837714T2 (de) 1997-10-25 1998-10-09 Verfahren und gerät fürm bilddatennachbearbeitung zur reduzierung von quantisierungseffekten

Country Status (8)

Country Link
US (1) US6539060B1 (de)
EP (3) EP1657934A1 (de)
JP (5) JP2001522172A (de)
KR (1) KR100269125B1 (de)
CN (3) CN1214645C (de)
AU (1) AU9465798A (de)
DE (1) DE69837714T2 (de)
WO (1) WO1999022509A2 (de)

Families Citing this family (136)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100243225B1 (ko) 1997-07-16 2000-02-01 윤종용 블록화효과 및 링잉잡음 감소를 위한 신호적응필터링방법 및신호적응필터
KR100269125B1 (ko) * 1997-10-25 2000-10-16 윤덕용 양자화효과감소를위한영상데이터후처리방법및장치
CN100481877C (zh) * 1998-07-01 2009-04-22 宏碁股份有限公司 视频信号解码装置及其处理方法
KR100366643B1 (ko) * 1998-11-25 2003-02-19 삼성전자 주식회사 구획현상제거방법및장치
KR100644498B1 (ko) * 1999-08-25 2006-11-10 마츠시타 덴끼 산교 가부시키가이샤 노이즈 검출방법과 노이즈 검출장치 및 화상 복호화장치
KR100335055B1 (ko) 1999-12-08 2002-05-02 구자홍 압축 영상신호의 블럭현상 및 링현상 제거방법
GB0016838D0 (en) * 2000-07-07 2000-08-30 Forbidden Technologies Plc Improvements relating to representations of compressed video
US7054500B1 (en) * 2000-12-06 2006-05-30 Realnetworks, Inc. Video compression and decompression system with postfilter to filter coding artifacts
AU2002236659A1 (en) * 2000-12-19 2002-07-01 Pulsent Corporation Adaptive transforms
FR2818863A1 (fr) * 2000-12-26 2002-06-28 Koninkl Philips Electronics Nv Procede de traitement de donnees
US6845180B2 (en) * 2001-03-16 2005-01-18 Sharp Laboratories Of America, Inc. Predicting ringing artifacts in digital images
GB2373661B (en) * 2001-03-23 2005-05-11 Advanced Risc Mach Ltd A data processing apparatus and method for performing an adaptive filter operation on an input data sample
WO2002096117A1 (en) * 2001-05-25 2002-11-28 Pace Soft Silicon Limited Deblocking block-based video data
US6909745B1 (en) 2001-06-05 2005-06-21 At&T Corp. Content adaptive video encoder
US7773670B1 (en) 2001-06-05 2010-08-10 At+T Intellectual Property Ii, L.P. Method of content adaptive video encoding
US6968006B1 (en) 2001-06-05 2005-11-22 At&T Corp. Method of content adaptive video decoding
US6970513B1 (en) 2001-06-05 2005-11-29 At&T Corp. System for content adaptive video decoding
US6810086B1 (en) 2001-06-05 2004-10-26 At&T Corp. System and method of filtering noise
US7003173B2 (en) * 2001-06-12 2006-02-21 Sharp Laboratories Of America, Inc. Filter for combined de-ringing and edge sharpening
KR100525785B1 (ko) 2001-06-15 2005-11-03 엘지전자 주식회사 이미지 화소 필터링 방법
US7003174B2 (en) * 2001-07-02 2006-02-21 Corel Corporation Removal of block encoding artifacts
KR100522938B1 (ko) * 2001-08-13 2005-10-24 삼성전자주식회사 블록화현상 제거장치 및 제거방법, 블록화현상 제거장치가 구비된 디스플레이장치
DE10140984C1 (de) * 2001-08-21 2003-04-03 Sci Worx Gmbh Verfahren und Vorrichtung zur Filterung von Bilddatenströmen
US6983079B2 (en) * 2001-09-20 2006-01-03 Seiko Epson Corporation Reducing blocking and ringing artifacts in low-bit-rate coding
KR100927967B1 (ko) * 2001-10-26 2009-11-24 코닌클리케 필립스 일렉트로닉스 엔.브이. 공간 샤프니스 향상 기술들을 사용하는 공간 스케일가능압축 체계
WO2003047262A2 (en) * 2001-11-29 2003-06-05 Matsushita Electric Industrial Co., Ltd. Coding distortion removal method and video encoding end decoding methods
KR100929078B1 (ko) 2001-11-29 2009-11-30 파나소닉 주식회사 코딩 왜곡 제거 방법
CN1767656B (zh) * 2001-11-29 2013-02-20 松下电器产业株式会社 编码失真消除方法、视频编码方法、视频解码方法、装置
EP1335607A3 (de) * 2001-12-28 2003-10-22 Ricoh Company, Ltd. Vorrichtung und Verfahren zur Bildglättung
KR100538215B1 (ko) * 2002-01-23 2005-12-21 삼성전자주식회사 고속 후처리가 가능한 영상 재생 장치 및 그 방법
EP1333681A3 (de) 2002-01-31 2004-12-08 Samsung Electronics Co., Ltd. Filterungsverfahren und -vorrichtung zur Verminderung von Blockartefakten und Überschwingungsstörungen
KR100584549B1 (ko) * 2002-01-31 2006-05-30 삼성전자주식회사 블록킹 효과를 제거하기 위한 필터링 방법 및 그 장치
US7826535B2 (en) * 2002-04-11 2010-11-02 Broadcom Corporation Adaptive pixel processing
KR100846774B1 (ko) * 2002-05-03 2008-07-16 삼성전자주식회사 블록킹 효과를 제거하기 위한 필터링 방법 및 그 장치
US7543326B2 (en) * 2002-06-10 2009-06-02 Microsoft Corporation Dynamic rate control
US20030235250A1 (en) * 2002-06-24 2003-12-25 Ankur Varma Video deblocking
FR2841423A1 (fr) * 2002-06-25 2003-12-26 Koninkl Philips Electronics Nv Procede de detection d'artefacts de bloc
US6728315B2 (en) * 2002-07-24 2004-04-27 Apple Computer, Inc. Method and apparatus for variable accuracy inter-picture timing specification for digital video encoding with reduced requirements for division operations
US6807317B2 (en) 2002-10-25 2004-10-19 Motorola, Inc. Method and decoder system for reducing quantization effects of a decoded image
KR101051903B1 (ko) * 2002-11-15 2011-07-26 퀄컴 인코포레이티드 다중 디스크립션 인코딩용 장치 및 방법
US7227901B2 (en) * 2002-11-21 2007-06-05 Ub Video Inc. Low-complexity deblocking filter
US7298885B2 (en) * 2002-11-27 2007-11-20 3M Innovative Properties Company Biological growth plate scanner with automated image processing profile selection
US7254275B2 (en) * 2002-12-17 2007-08-07 Symbol Technologies, Inc. Method and system for image compression using image symmetry
US6922492B2 (en) * 2002-12-27 2005-07-26 Motorola, Inc. Video deblocking method and apparatus
CN100424717C (zh) * 2003-03-17 2008-10-08 高通股份有限公司 用于提高低比特率视频的视频质量的方法和装置
US7995849B2 (en) * 2003-03-17 2011-08-09 Qualcomm, Incorporated Method and apparatus for improving video quality of low bit-rate video
US7792194B2 (en) * 2003-04-10 2010-09-07 Lefan Zhong MPEG artifacts post-processed filtering architecture
US9330060B1 (en) 2003-04-15 2016-05-03 Nvidia Corporation Method and device for encoding and decoding video image data
US20040208389A1 (en) * 2003-04-15 2004-10-21 Silicon Integrated Systems Corp. Digital picture processing method
US7362810B2 (en) * 2003-05-13 2008-04-22 Sigmatel, Inc. Post-filter for deblocking and deringing of video data
US8660182B2 (en) * 2003-06-09 2014-02-25 Nvidia Corporation MPEG motion estimation based on dual start points
US20050024651A1 (en) * 2003-07-29 2005-02-03 Zhenghua Yu Adaptive complexity scalable post-processing method
KR100936034B1 (ko) 2003-08-11 2010-01-11 삼성전자주식회사 블록 단위로 부호화된 디지털 영상의 블로킹 현상을제거하는 방법 및 그 영상재생장치
US7277592B1 (en) 2003-10-21 2007-10-02 Redrock Semiconductory Ltd. Spacial deblocking method using limited edge differences only to linearly correct blocking artifact
US7616829B1 (en) * 2003-10-29 2009-11-10 Apple Inc. Reducing undesirable block based image processing artifacts by DC image filtering
US7551792B2 (en) * 2003-11-07 2009-06-23 Mitsubishi Electric Research Laboratories, Inc. System and method for reducing ringing artifacts in images
US20050100235A1 (en) * 2003-11-07 2005-05-12 Hao-Song Kong System and method for classifying and filtering pixels
US7412109B2 (en) 2003-11-07 2008-08-12 Mitsubishi Electric Research Laboratories, Inc. System and method for filtering artifacts in images
US7346224B2 (en) * 2003-11-07 2008-03-18 Mitsubishi Electric Research Laboratories, Inc. System and method for classifying pixels in images
US7400681B2 (en) * 2003-11-28 2008-07-15 Scientific-Atlanta, Inc. Low-complexity motion vector prediction for video codec with two lists of reference pictures
US7430337B2 (en) * 2004-01-06 2008-09-30 Sharp Laboratories Of America, Inc. System and method for removing ringing artifacts
US7471845B2 (en) * 2004-01-06 2008-12-30 Sharp Laboratories Of America, Inc. De-ringing filter
US20050157796A1 (en) * 2004-01-20 2005-07-21 Victor Company Of Japan, Ltd. Block noise reducing apparatus
JP4323519B2 (ja) * 2004-03-08 2009-09-02 三菱電機株式会社 符号化データの復号プログラム及び方法並びに装置
KR100628839B1 (ko) * 2004-03-30 2006-09-27 학교법인 성균관대학 모서리 잡음 검출 및 보상방법
US7315661B2 (en) * 2004-04-01 2008-01-01 Mediatek Inc. Directional interpolation method using DCT information and related device
US7460596B2 (en) * 2004-04-29 2008-12-02 Mediatek Incorporation Adaptive de-blocking filtering apparatus and method for MPEG video decoder
US7397854B2 (en) * 2004-04-29 2008-07-08 Mediatek Incorporation Adaptive de-blocking filtering apparatus and method for MPEG video decoder
US7496141B2 (en) * 2004-04-29 2009-02-24 Mediatek Incorporation Adaptive de-blocking filtering apparatus and method for MPEG video decoder
US7397853B2 (en) * 2004-04-29 2008-07-08 Mediatek Incorporation Adaptive de-blocking filtering apparatus and method for MPEG video decoder
US20050243914A1 (en) * 2004-04-29 2005-11-03 Do-Kyoung Kwon Adaptive de-blocking filtering apparatus and method for mpeg video decoder
US7400679B2 (en) * 2004-04-29 2008-07-15 Mediatek Incorporation Adaptive de-blocking filtering apparatus and method for MPEG video decoder
US7539248B2 (en) * 2004-04-29 2009-05-26 Mediatek Incorporation Adaptive de-blocking filtering apparatus and method for MPEG video decoder
US7738563B2 (en) * 2004-07-08 2010-06-15 Freescale Semiconductor, Inc. Method and system for performing deblocking filtering
KR100618849B1 (ko) * 2004-07-22 2006-09-01 삼성전자주식회사 영상에서의 블록킹 현상 필터링 장치 및 방법
CN1306822C (zh) * 2004-07-30 2007-03-21 联合信源数字音视频技术（北京）有限公司 一种基于软硬件协同控制的视频解码器
GB2418093B (en) * 2004-09-09 2007-03-28 Imagination Tech Ltd Method and apparatus for removing visible artefacts in video images
US7697782B2 (en) 2004-09-16 2010-04-13 Sharp Laboratories Of America, Inc. System for reducing ringing artifacts
US20060062311A1 (en) * 2004-09-20 2006-03-23 Sharp Laboratories Of America, Inc. Graceful degradation of loop filter for real-time video decoder
US20060103254A1 (en) * 2004-11-16 2006-05-18 Horst Gary E Permanent magnet rotor
KR100843196B1 (ko) * 2004-12-17 2008-07-02 삼성전자주식회사 Ｈ.264/ａｖｃ 비디오 디코더의 디블록킹 필터
US7136536B2 (en) * 2004-12-22 2006-11-14 Telefonaktiebolaget L M Ericsson (Publ) Adaptive filter
KR100672592B1 (ko) * 2005-01-14 2007-01-24 엘지전자 주식회사 디스플레이 장치의 영상 보상장치 및 보상방법
JP4618676B2 (ja) * 2005-04-28 2011-01-26 株式会社リコー 構造化文書符号の転送方法、画像処理システム、サーバ装置、プログラム及び情報記録媒体
JP4672431B2 (ja) * 2005-05-13 2011-04-20 パナソニック株式会社 フィルタ特性異常隠蔽処理装置
US8731071B1 (en) 2005-12-15 2014-05-20 Nvidia Corporation System for performing finite input response (FIR) filtering in motion estimation
US8724702B1 (en) 2006-03-29 2014-05-13 Nvidia Corporation Methods and systems for motion estimation used in video coding
GB2437337A (en) * 2006-04-21 2007-10-24 Snell & Wilcox Ltd Measuring block artefacts in video data using an auto-correlation function
JP4784386B2 (ja) * 2006-05-01 2011-10-05 富士ゼロックス株式会社 復号化装置、逆量子化方法及びプログラム
US20080037627A1 (en) * 2006-06-26 2008-02-14 Genesis Microchip Inc. Adaptive reduction of local mpeg artifacts
US8660380B2 (en) * 2006-08-25 2014-02-25 Nvidia Corporation Method and system for performing two-dimensional transform on data value array with reduced power consumption
US8175405B1 (en) * 2006-09-14 2012-05-08 Marvell International Ltd. Adaptive MPEG noise reducer
JP2008124742A (ja) * 2006-11-10 2008-05-29 Sony Corp 画像処理装置、画像処理方法、およびプログラム
JP2008271472A (ja) * 2007-04-25 2008-11-06 Nec Electronics Corp ビデオ再生装置、ビデオ再生方法、及びプログラム
KR100856303B1 (ko) * 2007-05-18 2008-09-03 삼성전기주식회사 링잉 노이즈 제거 장치 및 노이즈 제거 장치
US8756482B2 (en) * 2007-05-25 2014-06-17 Nvidia Corporation Efficient encoding/decoding of a sequence of data frames
US20080291209A1 (en) * 2007-05-25 2008-11-27 Nvidia Corporation Encoding Multi-media Signals
US9118927B2 (en) * 2007-06-13 2015-08-25 Nvidia Corporation Sub-pixel interpolation and its application in motion compensated encoding of a video signal
US8873625B2 (en) * 2007-07-18 2014-10-28 Nvidia Corporation Enhanced compression in representing non-frame-edge blocks of image frames
TWI375470B (en) * 2007-08-03 2012-10-21 Via Tech Inc Method for determining boundary strength
US20090060368A1 (en) * 2007-08-27 2009-03-05 David Drezner Method and System for an Adaptive HVS Filter
US20090080517A1 (en) * 2007-09-21 2009-03-26 Yu-Ling Ko Method and Related Device for Reducing Blocking Artifacts in Video Streams
WO2009044549A1 (ja) * 2007-10-03 2009-04-09 Panasonic Corporation ブロック歪みを減少させる方法および装置
US8200028B2 (en) * 2007-12-07 2012-06-12 Csr Technology Inc. System and method for detecting edges in a video signal
KR101458493B1 (ko) 2008-06-30 2014-11-10 삼성전자주식회사 주파수 대역 교환 기지국
CN101625753B (zh) * 2008-07-10 2012-11-21 辉达公司 图形处理中的光栅及光栅化方法
MY154427A (en) * 2008-07-30 2015-06-15 Hitachi Maxell Compressed image noise removal device and reproduction device
US8666181B2 (en) * 2008-12-10 2014-03-04 Nvidia Corporation Adaptive multiple engine image motion detection system and method
TWI422228B (zh) * 2009-01-15 2014-01-01 Silicon Integrated Sys Corp 去方塊濾波方法及影像處理裝置
US8380001B2 (en) * 2009-02-27 2013-02-19 Vixs Systems, Inc. Edge adaptive deblocking filter and methods for use therewith
JP5146388B2 (ja) 2009-04-03 2013-02-20 沖電気工業株式会社 映像圧縮符号化データの復号装置
US8306355B2 (en) * 2009-07-13 2012-11-06 Sharp Laboratories Of America, Inc. Methods and systems for reducing compression artifacts
KR20110123651A (ko) 2010-05-07 2011-11-15 한국전자통신연구원 생략 부호화를 이용한 영상 부호화 및 복호화 장치 및 그 방법
KR20110125153A (ko) 2010-05-12 2011-11-18 에스케이 텔레콤주식회사 영상의 필터링 방법 및 장치와 그를 이용한 부호화/복호화를 위한 방법 및 장치
US8300949B2 (en) * 2010-05-18 2012-10-30 Sharp Laboratories Of America, Inc. Edge detection technique having improved feature visibility
EP3582497B1 (de) * 2010-12-07 2025-03-19 Sony Group Corporation Bildverarbeitungsvorrichtung und bildverarbeitungsverfahren
JP5684407B2 (ja) 2011-01-14 2015-03-11 テレフオンアクチーボラゲット エル エム エリクソン（パブル） ブロッキングアーチファクトを低減する方法、デブロッキングフィルタユニット、符号器、復号器、ユーザ機器、ネットワーク装置、コンピュータプログラム及びコンピュータプログラム記憶媒体
US9930366B2 (en) * 2011-01-28 2018-03-27 Qualcomm Incorporated Pixel level adaptive intra-smoothing
CN107454409B (zh) * 2011-04-22 2020-09-15 杜比国际公司 有损压缩编码数据方法和设备及相应重构数据方法和设备
CN107295341B (zh) * 2011-07-22 2020-02-28 Sk电信有限公司 视频编码方法
KR20130049522A (ko) * 2011-11-04 2013-05-14 오수미 인트라 예측 블록 생성 방법
US9167124B2 (en) 2012-07-27 2015-10-20 The Neat Company, Inc. Portable document scanner having user interface and integrated communication means
KR102056686B1 (ko) * 2013-02-18 2019-12-18 삼성디스플레이 주식회사 영상 처리부, 이를 포함하는 표시 장치 및 이를 이용한 영상 처리 방법
US9386319B2 (en) 2013-09-05 2016-07-05 Microsoft Technology Licensing, Llc Post-process filter for decompressed screen content
US10999602B2 (en) 2016-12-23 2021-05-04 Apple Inc. Sphere projected motion estimation/compensation and mode decision
KR102735582B1 (ko) * 2016-12-27 2024-11-29 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법
US11259046B2 (en) 2017-02-15 2022-02-22 Apple Inc. Processing of equirectangular object data to compensate for distortion by spherical projections
US10924747B2 (en) 2017-02-27 2021-02-16 Apple Inc. Video coding techniques for multi-view video
CN107181953B (zh) * 2017-03-31 2019-09-17 北京奇艺世纪科技有限公司 一种边界滤波强度的确定方法及装置
US11093752B2 (en) 2017-06-02 2021-08-17 Apple Inc. Object tracking in multi-view video
US20190005709A1 (en) * 2017-06-30 2019-01-03 Apple Inc. Techniques for Correction of Visual Artifacts in Multi-View Images
US10754242B2 (en) 2017-06-30 2020-08-25 Apple Inc. Adaptive resolution and projection format in multi-direction video
CN111527753B (zh) * 2017-12-29 2022-03-08 瑞典爱立信有限公司 使用参考值提供视频编码和/或解码的方法及相关设备
US10802285B2 (en) 2018-03-05 2020-10-13 Invensas Corporation Remote optical engine for virtual reality or augmented reality headsets
US11032574B2 (en) * 2018-12-31 2021-06-08 Tencent America LLC Method and apparatus for video coding
CN112508913B (zh) * 2020-12-10 2024-07-05 国网江西省电力有限公司电力科学研究院 基于图像检测的电缆截面边沿检测方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63182984A (ja) * 1987-01-23 1988-07-28 Matsushita Electric Ind Co Ltd テレビジヨン信号復号化装置
JPH01311782A (ja) * 1988-06-10 1989-12-15 Toshiba Corp 変換符号化方式
FR2660138B1 (fr) * 1990-03-26 1992-06-12 France Telecom Cnet Dispositif de codage/decodage de signaux d'image.
EP0479510B1 (de) * 1990-09-29 2000-06-28 Victor Company Of Japan, Ltd. Bildsignalkodierer/Dekodierer mit adaptiver Quantisierung
JP3485192B2 (ja) * 1991-01-10 2004-01-13 オリンパス株式会社 画像信号復号化装置
JPH05316361A (ja) * 1992-04-24 1993-11-26 Sony Corp ブロック歪除去フィルタ
JP3365784B2 (ja) * 1992-04-30 2003-01-14 オリンパス光学工業株式会社 画像信号復号化装置
US5379122A (en) * 1992-10-02 1995-01-03 Xerox Corporation Decompression of standard ADCT-compressed images
US5335990A (en) * 1993-09-28 1994-08-09 Maxon Industries, Inc. Concrete remix and transfer device
US5563718A (en) 1993-11-30 1996-10-08 Polaroid Corporation Image coding by use of discrete cosine transforms
KR100229783B1 (ko) * 1994-07-29 1999-11-15 전주범 디지탈 전송 화상의 적응적후 처리장치
KR0165497B1 (ko) * 1995-01-20 1999-03-20 김광호 블럭화현상 제거를 위한 후처리장치 및 그 방법
US5852475A (en) * 1995-06-06 1998-12-22 Compression Labs, Inc. Transform artifact reduction process
US5986707A (en) * 1995-06-07 1999-11-16 Geshwind; David Michael Methods and devices for the creation of images employing variable-geometry pixels
US5850294A (en) * 1995-12-18 1998-12-15 Lucent Technologies Inc. Method and apparatus for post-processing images
US5881180A (en) * 1996-02-08 1999-03-09 Sony Corporation Method and apparatus for the reduction of blocking effects in images
US5974196A (en) * 1996-03-15 1999-10-26 Sony Corporation Method and apparatus for blocking effect reduction in images
KR100242636B1 (ko) * 1996-03-23 2000-02-01 윤종용 블록화효과 및 링잉노이즈 감소를 위한 신호적응후처리시스템
DE19626985C1 (de) * 1996-07-04 1998-01-02 Siemens Ag Verfahren und Anordnung zur Reduktion von Codierungsartefakten von blockbasierten Bildcodierungsverfahren und objektbasierten Bildcodierungsverfahren
KR100269125B1 (ko) * 1997-10-25 2000-10-16 윤덕용 양자화효과감소를위한영상데이터후처리방법및장치

Also Published As

Publication number Publication date
JP5753933B2 (ja) 2015-07-22
US6539060B1 (en) 2003-03-25
WO1999022509A3 (en) 1999-11-25
KR100269125B1 (ko) 2000-10-16
CN101188763A (zh) 2008-05-28
JP2012249321A (ja) 2012-12-13
EP1657933A1 (de) 2006-05-17
JP2014200104A (ja) 2014-10-23
JP2006157938A (ja) 2006-06-15
DE69837714T2 (de) 2007-08-16
CN100377598C (zh) 2008-03-26
CN1281617A (zh) 2001-01-24
JP4828930B2 (ja) 2011-11-30
CN1214645C (zh) 2005-08-10
JP5207942B2 (ja) 2013-06-12
JP2009065716A (ja) 2009-03-26
CN1599460A (zh) 2005-03-23
EP1025691B1 (de) 2007-05-02
JP2001522172A (ja) 2001-11-13
EP1025691A2 (de) 2000-08-09
EP1657934A1 (de) 2006-05-17
KR19990033652A (ko) 1999-05-15
WO1999022509A2 (en) 1999-05-06
AU9465798A (en) 1999-05-17

Similar Documents

Publication Publication Date Title
DE69837714D1 (de) Verfahren und gerät fürm bilddatennachbearbeitung zur reduzierung von quantisierungseffekten
DE69739554D1 (de) Vorrichtung und Verfahren zur Kodierung und Dekodierung von Videobildern
DE69427840D1 (de) Verfahren und Gerät zur Bildverarbeitung
DE69812800D1 (de) Verfahren und Gerät zur Bildverbesserung
DE69811386D1 (de) Verfahren und vorrichtung zur gleichzeitigen codierung und markierung von digitalen videodaten
DE69818888D1 (de) Gerät und Verfahren zur Bildverarbeitung
DE69333742D1 (de) Verfahren und Vorrichtung zur Bildatenkodierung
DE69428979D1 (de) Einrichtung und verfahren zur kodierung von bilddaten
DE69608170D1 (de) Gerät und Verfahren zur Bildbinarisation
DE59805342D1 (de) Verfahren und vorrichtung zur bearbeitung von bildobjekten
DE69610230D1 (de) Verfahren und Gerät zur Bildverarbeitung
DE69739816D1 (de) Vorrichtung und Verfahren zur Videodatenkompression
DE69729073D1 (de) Bilddatenverarbeitungssystem und verfahren
DE69819950D1 (de) Verfahren und System zur Bildverarbeitung
DE69734747D1 (de) Verfahren und Gerät zur Bildverarbeitung
DE69631721D1 (de) Verfahren und Gerät zur Bildverarbeitung
DE69822975D1 (de) Verfahren und Vorrichtung zur Kodierung/Dekodierung von Bewegtbildern
ATE242576T1 (de) Verfahren und vorrichtung zur wiedergabe von videobildern
DE69530824D1 (de) Verfahren und gerät zur bildverarbeitung
DE69529260D1 (de) Gerät und Verfahren zur Bildverarbeitung
DE69531882D1 (de) Gerät und Verfahren zur Bildverarbeitung
DE69524520D1 (de) Vorrichtung und Verfahren zur Kodierung und Wiederherstellung von Bilddaten
DE69419545D1 (de) Verfahren und Gerät zur Kompression binärer Bilddaten
DE69724002D1 (de) System und verfahren zur bildverarbeitung
DE69700284D1 (de) Verfahren und Vorrichtung zur Bildverarbeitung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition