NO20033021D0 - Fremgangsmåte for stöyreduksjon - Google Patents

Fremgangsmåte for stöyreduksjon

Info

Publication number
NO20033021D0
NO20033021D0 NO20033021A NO20033021A NO20033021D0 NO 20033021 D0 NO20033021 D0 NO 20033021D0 NO 20033021 A NO20033021 A NO 20033021A NO 20033021 A NO20033021 A NO 20033021A NO 20033021 D0 NO20033021 D0 NO 20033021D0
Authority
NO
Norway
Prior art keywords
noise reduction
reduction procedure
procedure
noise
reduction
Prior art date
Application number
NO20033021A
Other languages
English (en)
Other versions
NO318973B1 (no
Inventor
Gisle Bjoentegaard
Original Assignee
Tandberg Telecom As
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 Tandberg Telecom As filed Critical Tandberg Telecom As
Priority to NO20033021A priority Critical patent/NO318973B1/no
Publication of NO20033021D0 publication Critical patent/NO20033021D0/no
Priority to JP2006518567A priority patent/JP2007529144A/ja
Priority to EP04748766A priority patent/EP1639832A1/en
Priority to CNA2004800236767A priority patent/CN1836449A/zh
Priority to PCT/NO2004/000190 priority patent/WO2005004496A1/en
Priority to US10/880,460 priority patent/US7327785B2/en
Publication of NO318973B1 publication Critical patent/NO318973B1/no

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
    • H04N19/102—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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • 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
    • H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
NO20033021A 2003-07-01 2003-07-01 Fremgangsmate for stoyreduksjon NO318973B1 (no)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NO20033021A NO318973B1 (no) 2003-07-01 2003-07-01 Fremgangsmate for stoyreduksjon
JP2006518567A JP2007529144A (ja) 2003-07-01 2004-06-25 マクロブロック符号化時にノイズを防止する方法
EP04748766A EP1639832A1 (en) 2003-07-01 2004-06-25 Method for preventing noise when coding macroblocks
CNA2004800236767A CN1836449A (zh) 2003-07-01 2004-06-25 用于对宏块编码时防止噪声的方法
PCT/NO2004/000190 WO2005004496A1 (en) 2003-07-01 2004-06-25 Method for preventing noise when coding macroblocks
US10/880,460 US7327785B2 (en) 2003-07-01 2004-07-01 Noise reduction method, apparatus, system, and computer program product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20033021A NO318973B1 (no) 2003-07-01 2003-07-01 Fremgangsmate for stoyreduksjon

Publications (2)

Publication Number Publication Date
NO20033021D0 true NO20033021D0 (no) 2003-07-01
NO318973B1 NO318973B1 (no) 2005-05-30

Family

ID=27800755

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20033021A NO318973B1 (no) 2003-07-01 2003-07-01 Fremgangsmate for stoyreduksjon

Country Status (6)

Country Link
US (1) US7327785B2 (no)
EP (1) EP1639832A1 (no)
JP (1) JP2007529144A (no)
CN (1) CN1836449A (no)
NO (1) NO318973B1 (no)
WO (1) WO2005004496A1 (no)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7804896B2 (en) * 2005-09-19 2010-09-28 Intel Corporation Content adaptive noise reduction filtering for image signals
US7778476B2 (en) * 2005-10-21 2010-08-17 Maxim Integrated Products, Inc. System and method for transform coding randomization
US8306118B1 (en) * 2006-03-01 2012-11-06 Maxim Integrated, Inc. High quality low bitrate video coding by enabling and disabling a non-residual mode
US20090268818A1 (en) * 2008-04-29 2009-10-29 International Business Machines Corporation Method and system for integrating noise filtering in predictive video coding
US8254457B2 (en) * 2008-10-20 2012-08-28 Realtek Semiconductor Corp. Video signal processing method and apparatus thereof
FR2940736B1 (fr) * 2008-12-30 2011-04-08 Sagem Comm Systeme et procede de codage video

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2562364B1 (fr) * 1984-04-03 1987-06-19 Thomson Csf Procede et systeme de compression de debit de donnees numeriques transmises entre un emetteur et un recepteur de television
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
JPH05276500A (ja) 1991-07-19 1993-10-22 Sony Corp 動画像符号化及び復号化装置
JP2673778B2 (ja) * 1994-02-22 1997-11-05 国際電信電話株式会社 動画像の復号化における雑音低減装置
US5654760A (en) * 1994-03-30 1997-08-05 Sony Corporation Selection of quantization step size in accordance with predicted quantization noise
JP3855286B2 (ja) * 1995-10-26 2006-12-06 ソニー株式会社 画像符号化装置および画像符号化方法、画像復号化装置および画像復号化方法、並びに記録媒体
GB2318246B (en) * 1996-10-09 2000-11-15 Sony Uk Ltd Processing digitally encoded signals
JP3676525B2 (ja) * 1996-10-30 2005-07-27 日本ビクター株式会社 動画像符号化復号化装置及びその方法
US6037985A (en) 1996-10-31 2000-03-14 Texas Instruments Incorporated Video compression
GB2327577B (en) * 1997-07-18 2002-09-11 British Broadcasting Corp Re-encoding decoded signals
JP3825615B2 (ja) * 2000-08-11 2006-09-27 株式会社東芝 動画像符号化装置および動画像符号化方法およびプログラムを記録した媒体
FR2823943A1 (fr) 2001-04-24 2002-10-25 Koninkl Philips Electronics Nv Procede de detection de bruit dans un flux de donnees video codees
US20040179610A1 (en) * 2003-02-21 2004-09-16 Jiuhuai Lu Apparatus and method employing a configurable reference and loop filter for efficient video coding
US20060209951A1 (en) * 2005-03-18 2006-09-21 Qin-Fan Zhu Method and system for quantization in a video encoder

Also Published As

Publication number Publication date
US20050031036A1 (en) 2005-02-10
JP2007529144A (ja) 2007-10-18
EP1639832A1 (en) 2006-03-29
CN1836449A (zh) 2006-09-20
WO2005004496A1 (en) 2005-01-13
NO318973B1 (no) 2005-05-30
US7327785B2 (en) 2008-02-05

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Representative=s name: ONSAGERS AS, POSTBOKS 6963 ST OLAVS PLASS, 0130 OS

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