GB2319689B - Compression of palletized images - Google Patents

Compression of palletized images

Info

Publication number: GB2319689B
Authority: GB; United Kingdom
Prior art keywords: compression; palletized images; palletized; images
Prior art date: 1994-02-23
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

Inventor

Ahmad Zandi

David G Stork

James Allen

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.)

Ricoh Co Ltd

Original Assignee

Ricoh 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.)

1994-02-23

Filing date

1995-02-21

Publication date

1998-07-15

1994-02-23Priority claimed from US08/200,233external-prioritypatent/US5471207A/en

1995-02-21Application filed by Ricoh Co LtdfiledCriticalRicoh Co Ltd

1998-04-01Publication of GB9802301D0publicationCriticalpatent/GB9802301D0/en

1998-05-27Publication of GB2319689ApublicationCriticalpatent/GB2319689A/en

1998-07-15Application grantedgrantedCritical

1998-07-15Publication of GB2319689BpublicationCriticalpatent/GB2319689B/en

2015-02-21Anticipated expirationlegal-statusCritical

StatusExpired - Fee Relatedlegal-statusCriticalCurrent

Classifications

- 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
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
- H03M7/4006—Conversion to or from arithmetic code
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
- G06T9/005—Statistical coding, e.g. Huffman, run length coding
- 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
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
- H03M7/42—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory

Landscapes

Engineering & Computer Science (AREA)
Theoretical Computer Science (AREA)
Multimedia (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)
Compression Or Coding Systems Of Tv Signals (AREA)

GB9802301A1994-02-231995-02-21Compression of palletized imagesExpired - Fee RelatedGB2319689B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US08/200,233US5471207A (en)	1994-02-23	1994-02-23	Compression of palettized images and binarization for bitwise coding of M-ary alphabets therefor
GB9503417AGB2286942B (en)	1994-02-23	1995-02-21	Compression of palletized images and binarization for bitwise coding of m-ary alphabets therefor

Publications (3)

Publication Number	Publication Date
GB9802301D0 GB9802301D0 (en)	1998-04-01
GB2319689A GB2319689A (en)	1998-05-27
GB2319689Btrue GB2319689B (en)	1998-07-15

Family

ID=26306548

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9802301AExpired - Fee RelatedGB2319689B (en)	1994-02-23	1995-02-21	Compression of palletized images

Country Status (1)

Country	Link
GB (1)	GB2319689B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2813484A1 (en)*	2000-08-31	2002-03-01	Koninkl Philips Electronics Nv	DATA PROCESSING IN A TEMPORAL SERIES OF STEPS
EP1322117A1 (en)*	2001-12-06	2003-06-25	Koninklijke Philips Electronics N.V.	Arithmetic coder and decoder
US8526745B2 (en)	2009-12-03	2013-09-03	Sony Corporation	Embedded graphics coding: reordered bitstream for parallel decoding
EP2561680B1 (en)	2010-04-19	2020-07-15	BlackBerry Limited	Methods and devices for reordered parallel entropy coding
CA2799763A1 (en)	2010-07-13	2012-01-19	Research In Motion Limited	Methods and devices for data compression using context-based coding order
CA2798125C (en)	2010-07-28	2016-04-05	Research In Motion Limited	Method and device for compression of binary sequences by grouping multiple symbols
EP2622744B1 (en)*	2010-10-01	2019-11-06	BlackBerry Limited	Methods and devices for parallel encoding and decoding using a bitstream structured for reduced delay
MX2013001167A (en)*	2011-06-24	2013-02-15	Panasonic Corp	Image encoding method, image decoding method, image encoding device, image decoding device, and image encoding/decoding device.

1995
- 1995-02-21GBGB9802301Apatent/GB2319689B/ennot_activeExpired - Fee Related

Also Published As

Publication number	Publication date
GB9802301D0 (en)	1998-04-01
GB2319689A (en)	1998-05-27

Publication	Publication Date	Title
GB2301972B (en)	1999-10-20	Video compression
EP0559982A3 (en)	1994-09-14	Image compression
GB2301971B (en)	1999-10-06	Video compression
SG46207A1 (en)	1998-02-20	Dropped-form document image compression
SG108204A1 (en)	2005-01-28	Video decompression
IL122361A0 (en)	1998-04-05	Image compression method
GB9400765D0 (en)	1994-03-16	Compression means
AU1727495A (en)	1995-08-01	Boundary-spline-wavelet compression for video images
GB2300083B (en)	1997-11-05	Fractal image compression
EP0565219A3 (en)	1994-08-24	Image compression and decompression
EP0561593A3 (en)	1994-08-10	Image compression apparatus
ZA949900B (en)	1995-10-10	Direct compression formulation containing paraxetine
EP0740269A3 (en)	1997-02-05	Scaling compressed images
EP0537932A3 (en)	1993-09-08	Image compression
AU3388995A (en)	1996-03-29	Video compression method
EP0737939A3 (en)	1997-03-05	Image compression and method
IL119897A0 (en)	1998-02-22	Projecting images
GB2306832B (en)	2000-03-29	Image activity in video compression
GB2303267B (en)	2000-03-22	Video compression
EP0755025A3 (en)	1997-04-09	Moving image compression
GB2319689B (en)	1998-07-15	Compression of palletized images
EP0586914A3 (en)	1994-06-08	Image compression method
GB2274805B (en)	1996-05-29	Compression apparatus
GB9518815D0 (en)	1995-11-15	Compression seals
GB2305800B (en)	2000-05-10	Image compression processing

Legal Events

Date	Code	Title	Description
2008-10-29	PCNP	Patent ceased through non-payment of renewal fee	Effective date:20080221

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