CA2088863A1 - Method and apparatus for compressing and extending an image - Google Patents
Method and apparatus for compressing and extending an imageInfo
- Publication number
- CA2088863A1 CA2088863A1 CA 2088863 CA2088863A CA2088863A1 CA 2088863 A1 CA2088863 A1 CA 2088863A1 CA 2088863 CA2088863 CA 2088863 CA 2088863 A CA2088863 A CA 2088863A CA 2088863 A1 CA2088863 A1 CA 2088863A1
- Authority
- CA
- Canada
- Prior art keywords
- image data
- compression factor
- compression
- compressing
- data
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title description 33
- 238000007906 compression Methods 0.000 abstract description 61
- 230000006835 compression Effects 0.000 abstract description 61
- 238000011156 evaluation Methods 0.000 abstract description 5
- 230000009466 transformation Effects 0.000 description 21
- 238000013139 quantization Methods 0.000 description 12
- 230000015654 memory Effects 0.000 description 10
- 102000003712 Complement factor B Human genes 0.000 description 5
- 108090000056 Complement factor B Proteins 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 238000013144 data compression Methods 0.000 description 3
- 238000004422 calculation algorithm Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000844 transformation Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013598 vector Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- OENHQHLEOONYIE-JLTXGRSLSA-N β-Carotene Chemical compound CC=1CCCC(C)(C)C=1\C=C\C(\C)=C\C=C\C(\C)=C\C=C\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C OENHQHLEOONYIE-JLTXGRSLSA-N 0.000 description 1
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
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
-
- 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
- H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
-
- 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
- H04N19/10—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
- H04N19/169—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
- H04N19/182—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 pixel
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/527—Global motion vector 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
- H04N19/60—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
- H04N19/134—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 Of Band Width Or Redundancy In Fax (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4-56000 | 1992-02-07 | ||
| JP5600092A JPH05219385A (ja) | 1992-02-07 | 1992-02-07 | 画像圧縮・伸張方法および装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2088863A1 true CA2088863A1 (en) | 1993-08-08 |
Family
ID=13014809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2088863 Abandoned CA2088863A1 (en) | 1992-02-07 | 1993-02-05 | Method and apparatus for compressing and extending an image |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5357584A (enExample) |
| EP (1) | EP0555061B1 (enExample) |
| JP (1) | JPH05219385A (enExample) |
| CA (1) | CA2088863A1 (enExample) |
| DE (1) | DE69309732T2 (enExample) |
| TW (1) | TW279945B (enExample) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3442111B2 (ja) * | 1993-09-14 | 2003-09-02 | 株式会社ソニー・コンピュータエンタテインメント | 画像圧縮装置，画像再生装置及び描画装置 |
| US5790717A (en) * | 1993-10-26 | 1998-08-04 | Bell Communications Research Inc. | Apparatus and method for predicting subjective quality of compressed images |
| JPH08186814A (ja) * | 1994-12-28 | 1996-07-16 | Canon Inc | 画像圧縮装置 |
| US5886743A (en) * | 1994-12-28 | 1999-03-23 | Hyundai Electronics Industries Co. Ltd. | Object-by information coding apparatus and method thereof for MPEG-4 picture instrument |
| JP2806287B2 (ja) * | 1995-01-13 | 1998-09-30 | 日本電気株式会社 | 画質評価装置 |
| US5629778A (en) * | 1995-05-15 | 1997-05-13 | Polaroid Corporation | Method and apparatus for reduction of image data compression noise |
| KR20000005110A (ko) * | 1996-03-29 | 2000-01-25 | 윌리암 제이. 버크 | 지각 메트릭을 이용하는 이미지 코딩시스템에서 엔코딩 최적화및 자동 조정가능 이미지 압축을 위한 장치 및 방법 |
| JPH1075448A (ja) * | 1996-08-29 | 1998-03-17 | Asahi Optical Co Ltd | 画像圧縮装置および画像伸張装置 |
| US6091773A (en) | 1997-11-12 | 2000-07-18 | Sydorenko; Mark R. | Data compression method and apparatus |
| GB9803580D0 (en) * | 1998-02-21 | 1998-04-15 | Nds Ltd | Determining visually noticeable differences between two images |
| JP3738574B2 (ja) * | 1998-09-18 | 2006-01-25 | 富士ゼロックス株式会社 | 画像情報符号化装置 |
| JP3679083B2 (ja) * | 2002-10-08 | 2005-08-03 | 株式会社エヌ・ティ・ティ・ドコモ | 画像符号化方法、画像復号方法、画像符号化装置、画像復号装置、画像符号化プログラム、画像復号プログラム |
| US7266246B2 (en) * | 2004-04-29 | 2007-09-04 | Hewlett-Packard Development Company, L.P. | System and method for estimating compression noise in images |
| US20060034531A1 (en) * | 2004-05-10 | 2006-02-16 | Seiko Epson Corporation | Block noise level evaluation method for compressed images and control method of imaging device utilizing the evaluation method |
| US7545988B2 (en) * | 2004-08-09 | 2009-06-09 | George William Meeker | Image blocking artifact reduction via transform pair |
| US20060085541A1 (en) * | 2004-10-19 | 2006-04-20 | International Business Machines Corporation | Facilitating optimization of response time in computer networks |
| JP2009105960A (ja) * | 2009-02-02 | 2009-05-14 | Seiko Epson Corp | 撮影装置およびこれに用いるプログラム並びに画像記憶方法 |
| EP2486517A4 (en) * | 2009-10-05 | 2014-06-11 | Icvt Ltd | DEVICE AND METHOD FOR RECOMPRIATING DIGITAL IMAGES |
| WO2014136193A1 (ja) * | 2013-03-04 | 2014-09-12 | 富士通株式会社 | 基地局装置、基地局システムおよびｉｑデータの圧縮方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4777620A (en) * | 1985-02-20 | 1988-10-11 | Elscint Ltd. | Data compression system |
| US4754492A (en) * | 1985-06-03 | 1988-06-28 | Picturetel Corporation | Method and system for adapting a digitized signal processing system for block processing with minimal blocking artifacts |
| DE3613343A1 (de) * | 1986-04-19 | 1987-10-22 | Philips Patentverwaltung | Hybrid-codierer |
| US4903317A (en) * | 1986-06-24 | 1990-02-20 | Kabushiki Kaisha Toshiba | Image processing apparatus |
| US5020120A (en) * | 1989-12-22 | 1991-05-28 | Eastman Kodak Company | Methods for reducing quantization error in hierarchical decomposition and reconstruction schemes |
| US5021891A (en) * | 1990-02-27 | 1991-06-04 | Qualcomm, Inc. | Adaptive block size image compression method and system |
-
1992
- 1992-02-07 JP JP5600092A patent/JPH05219385A/ja active Pending
- 1992-06-11 TW TW81104590A patent/TW279945B/zh active
-
1993
- 1993-02-01 US US08/011,681 patent/US5357584A/en not_active Expired - Fee Related
- 1993-02-03 EP EP19930300771 patent/EP0555061B1/en not_active Expired - Lifetime
- 1993-02-03 DE DE69309732T patent/DE69309732T2/de not_active Expired - Fee Related
- 1993-02-05 CA CA 2088863 patent/CA2088863A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US5357584A (en) | 1994-10-18 |
| EP0555061A1 (en) | 1993-08-11 |
| DE69309732T2 (de) | 1997-11-13 |
| DE69309732D1 (de) | 1997-05-22 |
| EP0555061B1 (en) | 1997-04-16 |
| JPH05219385A (ja) | 1993-08-27 |
| TW279945B (enExample) | 1996-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |