DE69811669D1 - Bildkompression - Google Patents

Bildkompression

Info

Publication number
DE69811669D1
DE69811669D1 DE69811669T DE69811669T DE69811669D1 DE 69811669 D1 DE69811669 D1 DE 69811669D1 DE 69811669 T DE69811669 T DE 69811669T DE 69811669 T DE69811669 T DE 69811669T DE 69811669 D1 DE69811669 D1 DE 69811669D1
Authority
DE
Germany
Prior art keywords
image compression
compression
image
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
DE69811669T
Other languages
English (en)
Other versions
DE69811669T2 (de
Inventor
Qin Liu
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Publication of DE69811669D1 publication Critical patent/DE69811669D1/de
Application granted granted Critical
Publication of DE69811669T2 publication Critical patent/DE69811669T2/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
    • H04N19/10—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
    • H04N19/60—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
    • H04N19/10—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
DE69811669T 1997-07-18 1998-06-12 Bildkompression Expired - Lifetime DE69811669T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI973042A FI107496B (fi) 1997-07-18 1997-07-18 Kuvan kompressointi
PCT/FI1998/000512 WO1999004553A2 (en) 1997-07-18 1998-06-12 Image compression

Publications (2)

Publication Number Publication Date
DE69811669D1 true DE69811669D1 (de) 2003-04-03
DE69811669T2 DE69811669T2 (de) 2003-12-18

Family

ID=8549275

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69811669T Expired - Lifetime DE69811669T2 (de) 1997-07-18 1998-06-12 Bildkompression

Country Status (6)

Country Link
US (1) US6118903A (de)
EP (1) EP0997034B1 (de)
AU (1) AU7769998A (de)
DE (1) DE69811669T2 (de)
FI (1) FI107496B (de)
WO (1) WO1999004553A2 (de)

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ES2587022T3 (es) * 2001-11-22 2016-10-20 Godo Kaisha Ip Bridge 1 Procedimiento de codificación de longitud variable y procedimiento de decodificación de longitud variable
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US7073505B2 (en) * 2002-09-06 2006-07-11 Apneon, Inc. Systems and methods for moving and/or restraining tissue in the oral cavity
JP2004166128A (ja) * 2002-11-15 2004-06-10 Pioneer Electronic Corp 画像情報の符号化方法、符号化装置及び符号化プログラム
US7383261B2 (en) * 2004-01-16 2008-06-03 Xerox Corporation Reference database and method for determining spectra using measurements from an LED color sensor, and method of generating a reference database
FR2867291B1 (fr) * 2004-03-08 2006-05-19 Canon Kk Procede et dispositif d'acces a une image numerique stockee sur un ordinateur serveur
US7801383B2 (en) 2004-05-15 2010-09-21 Microsoft Corporation Embedded scalar quantizers with arbitrary dead-zone ratios
US7747095B2 (en) * 2004-10-08 2010-06-29 Nvidia Corporation Methods and systems for rate control in image compression
US7471385B2 (en) * 2005-01-13 2008-12-30 Xerox Corporation Systems and methods for selecting a reference database for determining a spectrum of an object based on fluorescence of the object
US8422546B2 (en) 2005-05-25 2013-04-16 Microsoft Corporation Adaptive video encoding using a perceptual model
US8081682B1 (en) 2005-10-13 2011-12-20 Maxim Integrated Products, Inc. Video encoding mode decisions according to content categories
US8149909B1 (en) 2005-10-13 2012-04-03 Maxim Integrated Products, Inc. Video encoding control using non-exclusive content categories
US8126283B1 (en) 2005-10-13 2012-02-28 Maxim Integrated Products, Inc. Video encoding statistics extraction using non-exclusive content categories
US8130828B2 (en) 2006-04-07 2012-03-06 Microsoft Corporation Adjusting quantization to preserve non-zero AC coefficients
US8059721B2 (en) * 2006-04-07 2011-11-15 Microsoft Corporation Estimating sample-domain distortion in the transform domain with rounding compensation
US7995649B2 (en) 2006-04-07 2011-08-09 Microsoft Corporation Quantization adjustment based on texture level
US8503536B2 (en) 2006-04-07 2013-08-06 Microsoft Corporation Quantization adjustments for DC shift artifacts
US7974340B2 (en) 2006-04-07 2011-07-05 Microsoft Corporation Adaptive B-picture quantization control
US8711925B2 (en) 2006-05-05 2014-04-29 Microsoft Corporation Flexible quantization
US7747093B2 (en) * 2006-12-07 2010-06-29 Adobe Systems Incorporated Method and apparatus for predicting the size of a compressed signal
US8238424B2 (en) 2007-02-09 2012-08-07 Microsoft Corporation Complexity-based adaptive preprocessing for multiple-pass video compression
US8498335B2 (en) 2007-03-26 2013-07-30 Microsoft Corporation Adaptive deadzone size adjustment in quantization
US8243797B2 (en) 2007-03-30 2012-08-14 Microsoft Corporation Regions of interest for quality adjustments
US8442337B2 (en) 2007-04-18 2013-05-14 Microsoft Corporation Encoding adjustments for animation content
US8331438B2 (en) 2007-06-05 2012-12-11 Microsoft Corporation Adaptive selection of picture-level quantization parameters for predicted video pictures
CN101106715B (zh) * 2007-07-26 2012-08-29 昊迪移通(北京)技术有限公司 一种视频带宽适配方法及装置
US8189933B2 (en) 2008-03-31 2012-05-29 Microsoft Corporation Classifying and controlling encoding quality for textured, dark smooth and smooth video content
US8897359B2 (en) 2008-06-03 2014-11-25 Microsoft Corporation Adaptive quantization for enhancement layer video coding
US20100035217A1 (en) * 2008-08-11 2010-02-11 David Kasper System and method for transmission of target tracking images
TR201001101A2 (tr) 2010-02-12 2011-09-21 Vestel Elektroni̇k Sanayi̇ Ve Ti̇caret A.Ş. Bir veri sıkıştırma metodu.
US9723312B2 (en) 2015-06-09 2017-08-01 Samsung Electronics Co., Ltd. Method and system for random accessible image compression with adaptive quantization
US11190810B2 (en) 2018-01-26 2021-11-30 Samsung Electronics Co., Ltd. Device and method for compressing image data using quantization parameter and entropy tables
CN108769704A (zh) * 2018-06-04 2018-11-06 浙江工业大学 一种基于动态能量分析的离散余弦变换图像压缩方法
KR20200065367A (ko) 2018-11-30 2020-06-09 삼성전자주식회사 이미지 처리 장치 및 프레임 버퍼 컴프레서

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JP2520306B2 (ja) * 1989-05-24 1996-07-31 三菱電機株式会社 変換符号化装置
US5086488A (en) * 1989-08-19 1992-02-04 Mitsubishi Denki Kabushiki Kaisha Transform coding apparatus
US5142380A (en) * 1989-10-23 1992-08-25 Ricoh Company, Ltd. Image data processing apparatus
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US5333212A (en) * 1991-03-04 1994-07-26 Storm Technology Image compression technique with regionally selective compression ratio
US5657399A (en) * 1991-05-17 1997-08-12 Canon Kabushiki Kaisha Encoding/decoding apparatus using quantizing steps information
JPH0563996A (ja) * 1991-09-02 1993-03-12 Ricoh Co Ltd 画像処理装置
JP3105335B2 (ja) * 1992-02-07 2000-10-30 株式会社ハドソン 画像の直交変換符号化による圧縮・伸張方法
WO1993019434A1 (en) * 1992-03-17 1993-09-30 Zoran Corporation Image compression coder having improved bit rate control and block allocation
FR2708168B1 (fr) * 1993-07-20 1995-08-25 Thomson Consumer Electronics Procédé et dispositif d'estimation d'un budget de bits pour encodeurs à longueur de mot variable.
JPH07203428A (ja) * 1993-12-28 1995-08-04 Canon Inc 画像処理方法及び装置
US5654760A (en) * 1994-03-30 1997-08-05 Sony Corporation Selection of quantization step size in accordance with predicted quantization noise
US5473376A (en) * 1994-12-01 1995-12-05 Motorola, Inc. Method and apparatus for adaptive entropy encoding/decoding of quantized transform coefficients in a video compression system
US5629780A (en) * 1994-12-19 1997-05-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Image data compression having minimum perceptual error
US5710595A (en) * 1994-12-29 1998-01-20 Lucent Technologies Inc. Method and apparatus for controlling quantization and buffering for digital signal compression
KR0186112B1 (ko) * 1995-05-19 1999-04-15 구자홍 영상 시스템의 양자수 결정 장치
US5835149A (en) * 1995-06-06 1998-11-10 Intel Corporation Bit allocation in a coded video sequence
US5677689A (en) * 1995-08-31 1997-10-14 Yovanof; Gregory S. Fixed rate JPEG compliant still image compression
US5926569A (en) * 1995-09-28 1999-07-20 Intel Corporation Bitrate damper for selecting quantization levels for image encoding
US6160846A (en) * 1995-10-25 2000-12-12 Sarnoff Corporation Apparatus and method for optimizing the rate control in a coding system
US6285793B1 (en) * 1995-11-06 2001-09-04 Siemens Medical Systems, Inc. Method and apparatus for automatically determining a quantization factor value that produces a desired average compression ratio of an image sequence using JPEG compression
JPH10243399A (ja) * 1997-02-25 1998-09-11 Sharp Corp 符号量制御装置及び該符号量制御装置を含む動画像符号化装置

Also Published As

Publication number Publication date
FI973042A (fi) 1999-01-19
FI107496B (fi) 2001-08-15
US6118903A (en) 2000-09-12
DE69811669T2 (de) 2003-12-18
FI973042A0 (fi) 1997-07-18
EP0997034A2 (de) 2000-05-03
WO1999004553A3 (en) 1999-04-08
AU7769998A (en) 1999-02-10
WO1999004553A2 (en) 1999-01-28
EP0997034B1 (de) 2003-02-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: BECKER, KURIG, STRAUS, 80336 MUENCHEN