FR2740641B1 - Procede et circuit de determination d'un intervalle de quantification dans un codeur d'image - Google Patents

Procede et circuit de determination d'un intervalle de quantification dans un codeur d'image

Info

Publication number
FR2740641B1
FR2740641B1 FR9613324A FR9613324A FR2740641B1 FR 2740641 B1 FR2740641 B1 FR 2740641B1 FR 9613324 A FR9613324 A FR 9613324A FR 9613324 A FR9613324 A FR 9613324A FR 2740641 B1 FR2740641 B1 FR 2740641B1
Authority
FR
France
Prior art keywords
determining
circuit
image encoder
quantification interval
quantification
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 - Fee Related
Application number
FR9613324A
Other languages
English (en)
Other versions
FR2740641A1 (fr
Inventor
Seong Jin Kim
Sung Gul Ryoo
Seung Kwon Paek
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
Original Assignee
Samsung Electronics Co Ltd
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 filed Critical Samsung Electronics Co Ltd
Publication of FR2740641A1 publication Critical patent/FR2740641A1/fr
Application granted granted Critical
Publication of FR2740641B1 publication Critical patent/FR2740641B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N19/10—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
    • H04N19/169—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
    • H04N19/186—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 colour or a chrominance component
    • 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
    • H04N19/115—Selection of the code volume for a coding unit prior to 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
    • H04N19/10—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
    • 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
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
FR9613324A 1995-11-01 1996-10-31 Procede et circuit de determination d'un intervalle de quantification dans un codeur d'image Expired - Fee Related FR2740641B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950039224A KR100355375B1 (ko) 1995-11-01 1995-11-01 영상부호화장치에있어서양자화간격결정방법및회로

Publications (2)

Publication Number Publication Date
FR2740641A1 FR2740641A1 (fr) 1997-04-30
FR2740641B1 true FR2740641B1 (fr) 2001-02-09

Family

ID=19432648

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9613324A Expired - Fee Related FR2740641B1 (fr) 1995-11-01 1996-10-31 Procede et circuit de determination d'un intervalle de quantification dans un codeur d'image

Country Status (6)

Country Link
US (1) US5933194A (fr)
JP (1) JPH09200760A (fr)
KR (1) KR100355375B1 (fr)
DE (1) DE19643915A1 (fr)
FR (1) FR2740641B1 (fr)
GB (1) GB2306846B (fr)

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CN1151685C (zh) * 1997-02-12 2004-05-26 萨尔诺夫公司 编码系统中用于优化速率控制的装置和方法
EP0963657B1 (fr) * 1997-02-25 2002-11-27 British Broadcasting Corporation Codage de compression de signaux numeriques a quantification amelioree
US6023296A (en) 1997-07-10 2000-02-08 Sarnoff Corporation Apparatus and method for object based rate control in a coding system
JP2008109700A (ja) * 1997-11-05 2008-05-08 Sony Corp ディジタル信号変換方法およびディジタル信号変換装置
JP3943333B2 (ja) * 1998-03-05 2007-07-11 松下電器産業株式会社 画像符号化方法、画像符号化復号化方法、画像符号化装置、及び画像記録再生装置
US6212232B1 (en) 1998-06-18 2001-04-03 Compaq Computer Corporation Rate control and bit allocation for low bit rate video communication applications
KR100313217B1 (ko) * 1998-12-23 2001-12-28 서평원 파이프라인dct장치
FR2792798B1 (fr) * 1999-04-26 2001-05-25 Thomson Multimedia Sa Procede et dispositif de quantification pour compression video
EP1061750A3 (fr) * 1999-06-18 2010-05-05 THOMSON multimedia Procédé de compression d'images, en particulier de type MPEG2
US6501797B1 (en) 1999-07-06 2002-12-31 Koninklijke Phillips Electronics N.V. System and method for improved fine granular scalable video using base layer coding information
US7616690B2 (en) 2000-10-31 2009-11-10 Imec Method and apparatus for adaptive encoding framed data sequences
US6522780B1 (en) 2000-12-15 2003-02-18 America Online, Inc. Indexing of images and/or text
US6556710B2 (en) 2000-12-15 2003-04-29 America Online, Inc. Image searching techniques
US6671402B1 (en) 2000-12-15 2003-12-30 America Online, Inc. Representing an image with weighted joint histogram
US6522779B2 (en) 2000-12-15 2003-02-18 America Online, Inc. Representing an image with a posterized joint histogram
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JP4534106B2 (ja) * 2000-12-26 2010-09-01 日本電気株式会社 動画像符号化システム及び方法
US20020118746A1 (en) * 2001-01-03 2002-08-29 Kim Hyun Mun Method of performing video encoding rate control using motion estimation
US20020122482A1 (en) * 2001-01-03 2002-09-05 Kim Hyun Mun Method of performing video encoding rate control using bit budget
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US6733915B2 (en) 2001-12-27 2004-05-11 E. I. Du Pont De Nemours And Company Gas diffusion backing for fuel cells
US7212571B2 (en) * 2003-01-31 2007-05-01 Seiko Epson Corporation Method and apparatus for DCT domain filtering for block based encoding
KR100555419B1 (ko) * 2003-05-23 2006-02-24 엘지전자 주식회사 동영상 코딩 방법
US7394856B2 (en) * 2003-09-19 2008-07-01 Seiko Epson Corporation Adaptive video prefilter
JP2006148878A (ja) * 2004-10-14 2006-06-08 Mitsubishi Electric Research Laboratories Inc 画像中の画素を分類する方法
JP4335779B2 (ja) * 2004-10-28 2009-09-30 富士通マイクロエレクトロニクス株式会社 符号化装置およびこれを用いた録画装置、並びに符号化方法および録画方法
US7403562B2 (en) * 2005-03-09 2008-07-22 Eg Technology, Inc. Model based rate control for predictive video encoder
US8265141B2 (en) 2005-05-17 2012-09-11 Broadcom Corporation System and method for open loop spatial prediction in a video encoder
JP4755012B2 (ja) * 2005-06-29 2011-08-24 株式会社エヌ・ティ・ティ・ドコモ 映像評価装置、時空間周波数解析装置、映像評価方法、時空間周波数解析方法、映像評価プログラム、および時空間周波数解析プログラム
US7822117B1 (en) * 2005-09-30 2010-10-26 Ambarella, Inc. Video encoder rate control using bit usage measuring and allocating by macroblock classes
JP4784281B2 (ja) 2005-11-18 2011-10-05 富士ゼロックス株式会社 復号化装置、逆量子化方法及びこれらのプログラム
KR101035754B1 (ko) * 2006-02-13 2011-05-20 가부시끼가이샤 도시바 동화상 부호화/복호화 방법 및 장치
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CA2751785C (fr) * 2009-02-13 2016-04-05 Research In Motion Limited Quantification adaptative avec distribution equilibree de distorsion dans le domaine des pixels dans un traitement d'image
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Also Published As

Publication number Publication date
JPH09200760A (ja) 1997-07-31
KR100355375B1 (ko) 2002-12-26
DE19643915A1 (de) 1997-05-07
GB2306846B (en) 2000-02-16
FR2740641A1 (fr) 1997-04-30
KR970032142A (ko) 1997-06-26
US5933194A (en) 1999-08-03
GB2306846A (en) 1997-05-07
GB9622806D0 (en) 1997-01-08

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Effective date: 20080630