DE602005015379D1 - Videokodierer und Verfahren zur Feststellung und Kodierung von Rauschen - Google Patents

Videokodierer und Verfahren zur Feststellung und Kodierung von Rauschen

Info

Publication number
DE602005015379D1
DE602005015379D1 DE602005015379T DE602005015379T DE602005015379D1 DE 602005015379 D1 DE602005015379 D1 DE 602005015379D1 DE 602005015379 T DE602005015379 T DE 602005015379T DE 602005015379 T DE602005015379 T DE 602005015379T DE 602005015379 D1 DE602005015379 D1 DE 602005015379D1
Authority
DE
Germany
Prior art keywords
detecting
video encoder
coding noise
coding
noise
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.)
Active
Application number
DE602005015379T
Other languages
English (en)
Inventor
Itzik Yankilevich
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.)
Broadcom Corp
Original Assignee
Broadcom Corp
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 Broadcom Corp filed Critical Broadcom Corp
Publication of DE602005015379D1 publication Critical patent/DE602005015379D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N19/10—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
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/60—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DE602005015379T 2004-04-27 2005-04-26 Videokodierer und Verfahren zur Feststellung und Kodierung von Rauschen Active DE602005015379D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US56553504P 2004-04-27 2004-04-27
US10/873,486 US7869500B2 (en) 2004-04-27 2004-06-23 Video encoder and method for detecting and encoding noise

Publications (1)

Publication Number Publication Date
DE602005015379D1 true DE602005015379D1 (de) 2009-08-27

Family

ID=34935776

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005015379T Active DE602005015379D1 (de) 2004-04-27 2005-04-26 Videokodierer und Verfahren zur Feststellung und Kodierung von Rauschen

Country Status (5)

Country Link
US (1) US7869500B2 (de)
EP (1) EP1596603B1 (de)
CN (1) CN1691780B (de)
DE (1) DE602005015379D1 (de)
TW (1) TWI280060B (de)

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US7949051B2 (en) * 2004-05-26 2011-05-24 Broadcom Corporation Mosquito noise detection and reduction
US7609766B2 (en) 2005-02-08 2009-10-27 Vixs Systems, Inc. System of intra-picture complexity preprocessing
US8369417B2 (en) * 2006-05-19 2013-02-05 The Hong Kong University Of Science And Technology Optimal denoising for video coding
US8831111B2 (en) * 2006-05-19 2014-09-09 The Hong Kong University Of Science And Technology Decoding with embedded denoising
AU2007350974B2 (en) * 2007-04-13 2013-07-18 Nokia Technologies Oy A video coder
KR101070173B1 (ko) * 2009-11-10 2011-10-05 갤럭시아커뮤니케이션즈 주식회사 동영상 압축 효율을 높이기 위한 변환블록의 부호화 장치와 방법
BR112013020068A2 (pt) * 2011-01-28 2018-03-06 Eye Io Llc métodos e parelhos para controle adaptativo da taxa de bits baseado em cenas
JP6300565B2 (ja) * 2014-02-19 2018-03-28 株式会社メガチップス 動画像符号化装置、プログラム、および、集積回路
EP2980801A1 (de) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Schätzung des Rauschens in einem Audiosignal, Rauschschätzer, Audiocodierer, Audiodecodierer und System zur Übertragung von Audiosignalen
KR102282462B1 (ko) * 2017-07-13 2021-07-27 한화테크윈 주식회사 영상의 비트레이트 조절 방법 및 영상 획득 장치
CN111583160B (zh) * 2020-06-03 2023-04-18 浙江大华技术股份有限公司 一种视频画面的噪声评估方法及装置

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US5214507A (en) * 1991-11-08 1993-05-25 At&T Bell Laboratories Video signal quantization for an mpeg like coding environment
US5377018A (en) * 1992-06-22 1994-12-27 Media Vision Video compression and decompression using block selection and subdivision
US5353061A (en) * 1992-10-08 1994-10-04 International Business Machines Corporation System and method for frame-differencing video compression/decompression using perceptually-constant information and image analysis
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US6285710B1 (en) * 1993-10-13 2001-09-04 Thomson Licensing S.A. Noise estimation and reduction apparatus for video signal processing
US5684714A (en) * 1995-05-08 1997-11-04 Kabushiki Kaisha Toshiba Method and system for a user to manually alter the quality of a previously encoded video sequence
US5844627A (en) * 1995-09-11 1998-12-01 Minerya System, Inc. Structure and method for reducing spatial noise
US6005626A (en) * 1997-01-09 1999-12-21 Sun Microsystems, Inc. Digital video signal encoder and encoding method
US6115420A (en) * 1997-03-14 2000-09-05 Microsoft Corporation Digital video signal encoder and encoding method
AUPO600897A0 (en) * 1997-04-04 1997-05-01 Canon Information Systems Research Australia Pty Ltd An efficient method of image compression comprising a low resolution image in the bit stream
US5925478A (en) * 1997-06-25 1999-07-20 Eveready Battery Company, Inc. V-shaped gasket for galvanic cells
JP3948120B2 (ja) * 1998-06-15 2007-07-25 ソニー株式会社 ガスケットとガスケットの成形方法及びこのガスケットを用いた円筒形アルカリ電池
JP2000165806A (ja) * 1998-11-30 2000-06-16 Sony Corp 情報処理装置および方法、並びに提供媒体
ATE273567T1 (de) * 1998-12-15 2004-08-15 Duracell Inc Verschluss einer elektrochemischen zelle
US6975777B1 (en) 1999-03-26 2005-12-13 Victor Company Of Japan, Ltd. Apparatus and method of block noise detection and reduction
KR100644498B1 (ko) * 1999-08-25 2006-11-10 마츠시타 덴끼 산교 가부시키가이샤 노이즈 검출방법과 노이즈 검출장치 및 화상 복호화장치
JP2001245303A (ja) * 2000-02-29 2001-09-07 Toshiba Corp 動画像符号化装置および動画像符号化方法
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US6834080B1 (en) * 2000-09-05 2004-12-21 Kabushiki Kaisha Toshiba Video encoding method and video encoding apparatus
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US6831947B2 (en) 2001-03-23 2004-12-14 Sharp Laboratories Of America, Inc. Adaptive quantization based on bit rate prediction and prediction error energy
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US7453938B2 (en) * 2004-02-06 2008-11-18 Apple Inc. Target bitrate estimator, picture activity and buffer management in rate control for video coder
US7949051B2 (en) * 2004-05-26 2011-05-24 Broadcom Corporation Mosquito noise detection and reduction

Also Published As

Publication number Publication date
TW200627964A (en) 2006-08-01
CN1691780B (zh) 2011-12-21
US20050238239A1 (en) 2005-10-27
EP1596603A1 (de) 2005-11-16
EP1596603B1 (de) 2009-07-15
US7869500B2 (en) 2011-01-11
TWI280060B (en) 2007-04-21
CN1691780A (zh) 2005-11-02

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