WO2007099327A3 - Data compression - Google Patents
Data compression Download PDFInfo
- Publication number
- WO2007099327A3 WO2007099327A3 PCT/GB2007/000720 GB2007000720W WO2007099327A3 WO 2007099327 A3 WO2007099327 A3 WO 2007099327A3 GB 2007000720 W GB2007000720 W GB 2007000720W WO 2007099327 A3 WO2007099327 A3 WO 2007099327A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- data
- data compression
- compression
- record
- details
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/41—Bandwidth or redundancy reduction
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- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/40—Transformation of program code
- G06F8/41—Compilation
- G06F8/44—Encoding
- G06F8/443—Optimisation
- G06F8/4434—Reducing the memory space required by the program code
- G06F8/4436—Exlining; Procedural abstraction
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
- G06T9/005—Statistical coding, e.g. Huffman, run length coding
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
- G09G5/06—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed using colour palettes, e.g. look-up tables
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/39—Control of the bit-mapped memory
- G09G5/395—Arrangements specially adapted for transferring the contents of the bit-mapped memory to the screen
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/02—Handling of images in compressed format, e.g. JPEG, MPEG
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Signal Processing (AREA)
- Software Systems (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
A method for enabling improvements in data compression, the method comprising: processing the set of data; deriving from the processing step details of one or more attributes of the set of data; generating a record on the basis of the said details; and making the record available to a subsequent compression process for use in selecting a suitable one from a series of compression algorithms for compressing the set of data.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0704010A GB2435728A (en) | 2006-03-01 | 2007-03-01 | A method for choosing a compression algorithm |
PCT/GB2007/000720 WO2007099327A2 (en) | 2006-03-01 | 2007-03-01 | Data compression |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0604136.2 | 2006-03-01 | ||
GB0604136A GB0604136D0 (en) | 2006-03-01 | 2006-03-01 | Improvements related to the delivery of embedded software and usage of memory in a computing device |
PCT/GB2007/000720 WO2007099327A2 (en) | 2006-03-01 | 2007-03-01 | Data compression |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2007099327A2 WO2007099327A2 (en) | 2007-09-07 |
WO2007099327A3 true WO2007099327A3 (en) | 2008-04-10 |
Family
ID=39020778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2007/000720 WO2007099327A2 (en) | 2006-03-01 | 2007-03-01 | Data compression |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB2435728A (en) |
WO (1) | WO2007099327A2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105430393B (en) * | 2014-09-19 | 2020-02-11 | 腾讯科技(深圳)有限公司 | Picture processing method, picture processing device, picture processing platform and storage medium |
US9858284B2 (en) | 2015-04-21 | 2018-01-02 | International Business Machines Corporation | Crowd sourced data sampling at the crowd |
US9838495B2 (en) | 2015-04-21 | 2017-12-05 | International Business Machines Corporation | Managing data acquisition |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5467087A (en) * | 1992-12-18 | 1995-11-14 | Apple Computer, Inc. | High speed lossless data compression system |
GB2291528A (en) * | 1994-06-22 | 1996-01-24 | Microsoft Corp | Display system with data compression |
WO1996002895A1 (en) * | 1994-07-14 | 1996-02-01 | Johnson Grace Company | Method and apparatus for compressing images |
EP0729237A2 (en) * | 1995-02-24 | 1996-08-28 | International Business Machines Corporation | Adaptive multiple dictionary data compression |
US5638498A (en) * | 1992-11-10 | 1997-06-10 | Adobe Systems Incorporated | Method and apparatus for reducing storage requirements for display data |
WO2001069937A2 (en) * | 2000-03-13 | 2001-09-20 | Point Cloud, Inc. | Two-dimensional image compression method |
US20010041014A1 (en) * | 1998-01-30 | 2001-11-15 | Kitahiro Kaneda | Image processing device and method and memory medium |
US20030090397A1 (en) * | 2001-11-14 | 2003-05-15 | Rasmussen Brent D. | Data compression/decompression system |
US6912317B1 (en) * | 1999-11-24 | 2005-06-28 | General Electric Company | Medical image data compression employing image descriptive information for optimal compression |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1051642A (en) * | 1996-07-31 | 1998-02-20 | Fuji Xerox Co Ltd | Image processor |
US6557001B1 (en) * | 1998-11-23 | 2003-04-29 | Moonlight Cordless Ltd. | Method for enhancing video compression through automatic data analysis and profile selection |
US6747762B1 (en) * | 1999-11-05 | 2004-06-08 | Sharp Laboratories Of America, Inc. | Method for optimizing compression of scanned data |
US20020067860A1 (en) * | 2000-10-10 | 2002-06-06 | Azam Syed Aamer | System, method and computer program product for improved lossless compression for bitmap fonts |
US20020071663A1 (en) * | 2000-12-07 | 2002-06-13 | O'donnel John Setel | Digital video recording system having multi-pass video processing |
US6731229B2 (en) * | 2001-02-09 | 2004-05-04 | International Business Machines Corporation | Method to reduce storage requirements when storing semi-redundant information in a database |
WO2003001748A1 (en) * | 2001-06-21 | 2003-01-03 | Ziplabs Pte Ltd. | Method and apparatus for compression and decompression of data |
-
2007
- 2007-03-01 WO PCT/GB2007/000720 patent/WO2007099327A2/en active Application Filing
- 2007-03-01 GB GB0704010A patent/GB2435728A/en not_active Withdrawn
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5638498A (en) * | 1992-11-10 | 1997-06-10 | Adobe Systems Incorporated | Method and apparatus for reducing storage requirements for display data |
US5467087A (en) * | 1992-12-18 | 1995-11-14 | Apple Computer, Inc. | High speed lossless data compression system |
GB2291528A (en) * | 1994-06-22 | 1996-01-24 | Microsoft Corp | Display system with data compression |
WO1996002895A1 (en) * | 1994-07-14 | 1996-02-01 | Johnson Grace Company | Method and apparatus for compressing images |
EP0729237A2 (en) * | 1995-02-24 | 1996-08-28 | International Business Machines Corporation | Adaptive multiple dictionary data compression |
US20010041014A1 (en) * | 1998-01-30 | 2001-11-15 | Kitahiro Kaneda | Image processing device and method and memory medium |
US6912317B1 (en) * | 1999-11-24 | 2005-06-28 | General Electric Company | Medical image data compression employing image descriptive information for optimal compression |
WO2001069937A2 (en) * | 2000-03-13 | 2001-09-20 | Point Cloud, Inc. | Two-dimensional image compression method |
US20030090397A1 (en) * | 2001-11-14 | 2003-05-15 | Rasmussen Brent D. | Data compression/decompression system |
Also Published As
Publication number | Publication date |
---|---|
GB2435728A (en) | 2007-09-05 |
GB0704010D0 (en) | 2007-04-11 |
WO2007099327A2 (en) | 2007-09-07 |
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