DE69322023T2 - Verfahren zur anpassungsfähigen Datenkompression zur Speicherminimierung - Google Patents

Verfahren zur anpassungsfähigen Datenkompression zur Speicherminimierung

Info

Publication number
DE69322023T2
DE69322023T2 DE69322023T DE69322023T DE69322023T2 DE 69322023 T2 DE69322023 T2 DE 69322023T2 DE 69322023 T DE69322023 T DE 69322023T DE 69322023 T DE69322023 T DE 69322023T DE 69322023 T2 DE69322023 T2 DE 69322023T2
Authority
DE
Germany
Prior art keywords
data compression
compression method
adaptive data
minimize memory
minimize
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.)
Expired - Fee Related
Application number
DE69322023T
Other languages
English (en)
Other versions
DE69322023D1 (de
Inventor
Russ Campbell
Gary Zimmerman
Thomas G Berge
Terry M Nelson
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.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard Co
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.)
Filing date
Publication date
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE69322023D1 publication Critical patent/DE69322023D1/de
Publication of DE69322023T2 publication Critical patent/DE69322023T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • 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
    • 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
    • H03M7/3084—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction using adaptive string matching, e.g. the Lempel-Ziv method
    • H03M7/3088—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction using adaptive string matching, e.g. the Lempel-Ziv method employing the use of a dictionary, e.g. LZ78
    • 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
    • H03M7/46—Conversion to or from run-length codes, i.e. by representing the number of consecutive digits, or groups of digits, of the same kind by a code word and a digit indicative of that kind
    • H03M7/48—Conversion to or from run-length codes, i.e. by representing the number of consecutive digits, or groups of digits, of the same kind by a code word and a digit indicative of that kind alternating with other codes during the code conversion process, e.g. run-length coding being performed only as long as sufficientlylong runs of digits of the same kind are present
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2215/00—Arrangements for producing a permanent visual presentation of the output data
    • G06K2215/0002—Handling the output data
    • G06K2215/002—Generic data access
    • G06K2215/0028—Generic data access characterised by the format per se
    • G06K2215/0031—Compressed bit maps
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2215/00—Arrangements for producing a permanent visual presentation of the output data
    • G06K2215/0002—Handling the output data
    • G06K2215/0062—Handling the output data combining generic and host data, e.g. filling a raster
    • G06K2215/0071—Post-treatment of the composed image, e.g. compression, rotation
DE69322023T 1992-09-03 1993-04-21 Verfahren zur anpassungsfähigen Datenkompression zur Speicherminimierung Expired - Fee Related DE69322023T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/940,111 US5479587A (en) 1992-09-03 1992-09-03 Page printer having adaptive data compression for memory minimization

Publications (2)

Publication Number Publication Date
DE69322023D1 DE69322023D1 (de) 1998-12-17
DE69322023T2 true DE69322023T2 (de) 1999-06-10

Family

ID=25474251

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69322023T Expired - Fee Related DE69322023T2 (de) 1992-09-03 1993-04-21 Verfahren zur anpassungsfähigen Datenkompression zur Speicherminimierung

Country Status (4)

Country Link
US (1) US5479587A (de)
EP (1) EP0585524B1 (de)
JP (3) JP3566973B2 (de)
DE (1) DE69322023T2 (de)

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Also Published As

Publication number Publication date
EP0585524B1 (de) 1998-11-11
JPH06233141A (ja) 1994-08-19
DE69322023D1 (de) 1998-12-17
JP2004274776A (ja) 2004-09-30
EP0585524A1 (de) 1994-03-09
US5479587A (en) 1995-12-26
JP3566973B2 (ja) 2004-09-15
JP2003309729A (ja) 2003-10-31

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