GB9802301D0 - Compression of palletized images - Google Patents

Compression of palletized images

Info

Publication number: GB9802301D0
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.): Granted

Application number

GBGB9802301.3A

Other versions

GB2319689A (en

GB2319689B (en

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

1998-04-01

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

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

1998-04-01 Publication of GB9802301D0 publication Critical patent/GB9802301D0/en

1998-05-27 Publication of GB2319689A publication Critical patent/GB2319689A/en

1998-07-15 Application granted granted Critical

1998-07-15 Publication of GB2319689B publication Critical patent/GB2319689B/en

2015-02-21 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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; 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
- 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)

GB9802301A 1994-02-23 1995-02-21 Compression of palletized images Expired - Fee Related GB2319689B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US08/200,233 US5471207A (en)	1994-02-23	1994-02-23	Compression of palettized images and binarization for bitwise coding of M-ary alphabets therefor
GB9503417A GB2286942B (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 true GB9802301D0 (en)	1998-04-01
GB2319689A GB2319689A (en)	1998-05-27
GB2319689B GB2319689B (en)	1998-07-15

Family

ID=26306548

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9802301A Expired - Fee Related GB2319689B (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	Time series steps MPEG4 norm decoding/digital processing having preparation step with intermediate sub step/finishing steps sequencing/finding optimum results
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
WO2011130854A1 (en)	2010-04-19	2011-10-27	Research In Motion Limited	Methods and devices for reordered parallel entropy coding and decoding
CA2799763A1 (en) *	2010-07-13	2012-01-19	Research In Motion Limited	Methods and devices for data compression using context-based coding order
WO2012019297A1 (en)	2010-07-28	2012-02-16	Research In Motion Limited	Method and device for compression of binary sequences by grouping multiple symbols
US8519871B2 (en)	2010-10-01	2013-08-27	Research In Motion Limited	Methods and devices for parallel encoding and decoding using a bitstream structured for reduced delay
BR112013002450B1 (en) *	2011-06-24	2022-10-25	Velos Media International Limited	PICTURE ENCODING METHOD, PICTURE DECODING METHOD, PICTURE ENCODING APPARATUS, PICTURE DECODING APPARATUS, AND PICTURE ENCODING AND DECODING APPARATUS.

1995
- 1995-02-21 GB GB9802301A patent/GB2319689B/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
GB2319689A (en)	1998-05-27
GB2319689B (en)	1998-07-15

Publication	Publication Date	Title
GB2301972B (en)	1999-10-20	Video compression
EP0559982A3 (en)	1994-09-14	Image 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
EP0565219A3 (en)	1994-08-24	Image compression and decompression
GB2300083B (en)	1997-11-05	Fractal image compression
GB2301971B (en)	1999-10-06	Video compression
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