FI973042A - Kuvan kompressionti - Google Patents
Kuvan kompressionti Download PDFInfo
- Publication number
- FI973042A FI973042A FI973042A FI973042A FI973042A FI 973042 A FI973042 A FI 973042A FI 973042 A FI973042 A FI 973042A FI 973042 A FI973042 A FI 973042A FI 973042 A FI973042 A FI 973042A
- Authority
- FI
- Finland
- Prior art keywords
- call
- image compressor
- compressor
- image
- compressor call
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Image Processing (AREA)
Priority Applications (6)
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 |
DE69811669T DE69811669T2 (de) | 1997-07-18 | 1998-06-12 | Bildkompression |
AU77699/98A AU7769998A (en) | 1997-07-18 | 1998-06-12 | Image compression |
EP98925676A EP0997034B1 (en) | 1997-07-18 | 1998-06-12 | Image compression |
US09/116,563 US6118903A (en) | 1997-07-18 | 1998-07-15 | Image compression method and apparatus which satisfies a predefined bit budget |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI973042 | 1997-07-18 | ||
FI973042A FI107496B (fi) | 1997-07-18 | 1997-07-18 | Kuvan kompressointi |
Publications (3)
Publication Number | Publication Date |
---|---|
FI973042A0 FI973042A0 (fi) | 1997-07-18 |
FI973042A true FI973042A (fi) | 1999-01-19 |
FI107496B FI107496B (fi) | 2001-08-15 |
Family
ID=8549275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI973042A FI107496B (fi) | 1997-07-18 | 1997-07-18 | Kuvan kompressointi |
Country Status (6)
Country | Link |
---|---|
US (1) | US6118903A (fi) |
EP (1) | EP0997034B1 (fi) |
AU (1) | AU7769998A (fi) |
DE (1) | DE69811669T2 (fi) |
FI (1) | FI107496B (fi) |
WO (1) | WO1999004553A2 (fi) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6779040B1 (en) * | 1999-08-27 | 2004-08-17 | Hewlett-Packard Development Company, L.P. | Method and system for serving data files compressed in accordance with tunable parameters |
US6680974B1 (en) * | 1999-12-02 | 2004-01-20 | Lucent Technologies Inc. | Methods and apparatus for context selection of block transform coefficients |
JP2001196935A (ja) * | 2000-01-12 | 2001-07-19 | Kawasaki Steel Corp | データ量子化装置 |
US6584435B2 (en) * | 2001-08-30 | 2003-06-24 | Xerox Corporation | Systems and methods for determining spectra using dynamic karhunen-loeve algorithms with measurements from led color sensor |
SE0103746D0 (sv) * | 2001-11-13 | 2001-11-13 | Svep Design Ct Ab | Digital image system |
ES2741563T3 (es) * | 2001-11-22 | 2020-02-11 | Godo Kaisha Ip Bridge 1 | Procedimiento de codificación de longitud variable y procedimiento de decodificación de longitud variable |
JP3716225B2 (ja) * | 2002-04-05 | 2005-11-16 | 松下電器産業株式会社 | 符号量制御装置および符号量制御方法 |
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 |
US8126283B1 (en) | 2005-10-13 | 2012-02-28 | Maxim Integrated Products, Inc. | Video encoding statistics extraction using non-exclusive content categories |
US8149909B1 (en) | 2005-10-13 | 2012-04-03 | Maxim Integrated Products, Inc. | Video encoding control using non-exclusive content categories |
US8059721B2 (en) | 2006-04-07 | 2011-11-15 | Microsoft Corporation | Estimating sample-domain distortion in the transform domain with rounding compensation |
US7974340B2 (en) | 2006-04-07 | 2011-07-05 | Microsoft Corporation | Adaptive B-picture quantization control |
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 |
US8130828B2 (en) | 2006-04-07 | 2012-03-06 | Microsoft Corporation | Adjusting quantization to preserve non-zero AC coefficients |
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 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US5144423A (en) * | 1990-12-11 | 1992-09-01 | At&T Bell Laboratories | Hdtv encoder with forward estimation and constant rate motion vectors |
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 |
-
1997
- 1997-07-18 FI FI973042A patent/FI107496B/fi active
-
1998
- 1998-06-12 DE DE69811669T patent/DE69811669T2/de not_active Expired - Lifetime
- 1998-06-12 WO PCT/FI1998/000512 patent/WO1999004553A2/en active IP Right Grant
- 1998-06-12 AU AU77699/98A patent/AU7769998A/en not_active Abandoned
- 1998-06-12 EP EP98925676A patent/EP0997034B1/en not_active Expired - Lifetime
- 1998-07-15 US US09/116,563 patent/US6118903A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69811669T2 (de) | 2003-12-18 |
DE69811669D1 (de) | 2003-04-03 |
FI107496B (fi) | 2001-08-15 |
US6118903A (en) | 2000-09-12 |
EP0997034A2 (en) | 2000-05-03 |
FI973042A0 (fi) | 1997-07-18 |
AU7769998A (en) | 1999-02-10 |
EP0997034B1 (en) | 2003-02-26 |
WO1999004553A3 (en) | 1999-04-08 |
WO1999004553A2 (en) | 1999-01-28 |
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