SE8307228D0 - Datakomprimering - Google Patents

Datakomprimering

Info

Publication number
SE8307228D0
SE8307228D0 SE8307228A SE8307228A SE8307228D0 SE 8307228 D0 SE8307228 D0 SE 8307228D0 SE 8307228 A SE8307228 A SE 8307228A SE 8307228 A SE8307228 A SE 8307228A SE 8307228 D0 SE8307228 D0 SE 8307228D0
Authority
SE
Sweden
Prior art keywords
code
bit
representation
entity key
words
Prior art date
Application number
SE8307228A
Other languages
English (en)
Inventor
T Jeppsson
H Jeppsson
Original Assignee
Grundstenen 16808 Ab
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 Grundstenen 16808 Ab filed Critical Grundstenen 16808 Ab
Priority to SE8307228A priority Critical patent/SE8307228D0/sv
Publication of SE8307228D0 publication Critical patent/SE8307228D0/sv
Priority to US06/905,237 priority patent/US4782325A/en

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
    • 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)
SE8307228A 1983-12-30 1983-12-30 Datakomprimering SE8307228D0 (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE8307228A SE8307228D0 (sv) 1983-12-30 1983-12-30 Datakomprimering
US06/905,237 US4782325A (en) 1983-12-30 1986-09-09 Arrangement for data compression

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8307228A SE8307228D0 (sv) 1983-12-30 1983-12-30 Datakomprimering

Publications (1)

Publication Number Publication Date
SE8307228D0 true SE8307228D0 (sv) 1983-12-30

Family

ID=20353924

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8307228A SE8307228D0 (sv) 1983-12-30 1983-12-30 Datakomprimering

Country Status (2)

Country Link
US (1) US4782325A (sv)
SE (1) SE8307228D0 (sv)

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US5333313A (en) * 1990-10-22 1994-07-26 Franklin Electronic Publishers, Incorporated Method and apparatus for compressing a dictionary database by partitioning a master dictionary database into a plurality of functional parts and applying an optimum compression technique to each part
US5481701A (en) * 1991-09-13 1996-01-02 Salient Software, Inc. Method and apparatus for performing direct read of compressed data file
US5481704A (en) * 1991-09-27 1996-01-02 Computer Concepts Corp. Indexing/compression scheme for supporting graphics and data selection
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US5305295A (en) * 1992-06-29 1994-04-19 Apple Computer, Inc. Efficient method and apparatus for access and storage of compressed data
US5649151A (en) * 1992-06-29 1997-07-15 Apple Computer, Inc. Efficient method and apparatus for access and storage of compressed data
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US5533051A (en) * 1993-03-12 1996-07-02 The James Group Method for data compression
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US5363098A (en) * 1993-10-25 1994-11-08 Digital Equipment Corporation Byte aligned data compression
US5546575A (en) * 1994-05-23 1996-08-13 Basil E. Potter & Associates, Inc. Encoding method for compressing a tabular database by selecting effective compression routines for each field and structure of partitions of equal sized records
US5812817A (en) * 1994-10-17 1998-09-22 International Business Machines Corporation Compression architecture for system memory application
US5970471A (en) * 1996-03-22 1999-10-19 Charles E. Hill & Associates, Inc. Virtual catalog and product presentation method and apparatus
US5924092A (en) * 1997-02-07 1999-07-13 International Business Machines Corporation Computer system and method which sort array elements to optimize array modifications
US6112208A (en) * 1997-08-25 2000-08-29 Fujitsu Limited Data compressing method and apparatus to generate bit maps in accordance with extracted data symbols
AU2001238365A1 (en) * 2000-02-15 2001-08-27 Orbcomm Global, L.P. Method for compression of small computer data files
US7681013B1 (en) 2001-12-31 2010-03-16 Apple Inc. Method for variable length decoding using multiple configurable look-up tables
US7034849B1 (en) * 2001-12-31 2006-04-25 Apple Computer, Inc. Method and apparatus for image blending
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US20070185899A1 (en) * 2006-01-23 2007-08-09 Msystems Ltd. Likelihood-based storage management
JP4256397B2 (ja) * 2006-02-17 2009-04-22 誠 後藤 ファイル格納装置
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US10152500B2 (en) 2013-03-14 2018-12-11 Oracle International Corporation Read mostly instances
US10642837B2 (en) 2013-03-15 2020-05-05 Oracle International Corporation Relocating derived cache during data rebalance to maintain application performance
US10303682B2 (en) 2013-09-21 2019-05-28 Oracle International Corporation Automatic verification and triage of query results
US9378232B2 (en) 2013-09-21 2016-06-28 Oracle International Corporation Framework for numa affinitized parallel query on in-memory objects within the RDBMS
US9292564B2 (en) 2013-09-21 2016-03-22 Oracle International Corporation Mirroring, in memory, data from disk to improve query performance
US9767178B2 (en) 2013-10-30 2017-09-19 Oracle International Corporation Multi-instance redo apply
US9697221B2 (en) 2014-03-19 2017-07-04 Oracle International Corporation OZIP compression and decompression
US10275184B2 (en) 2014-07-22 2019-04-30 Oracle International Corporation Framework for volatile memory query execution in a multi node cluster
US10073885B2 (en) 2015-05-29 2018-09-11 Oracle International Corporation Optimizer statistics and cost model for in-memory tables
US10067974B2 (en) 2015-05-29 2018-09-04 Oracle International Corporation Loading and reloading an in-memory copy of a database object without blocking concurrent updates to the database object
US10216781B2 (en) 2015-05-29 2019-02-26 Oracle International Corporation Maintaining cross-node coherence of an in-memory database object in a multi-node database cluster
US9990308B2 (en) 2015-08-31 2018-06-05 Oracle International Corporation Selective data compression for in-memory databases
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US10698771B2 (en) 2016-09-15 2020-06-30 Oracle International Corporation Zero-data-loss with asynchronous redo shipping to a standby database
US10891291B2 (en) 2016-10-31 2021-01-12 Oracle International Corporation Facilitating operations on pluggable databases using separate logical timestamp services
US11475006B2 (en) 2016-12-02 2022-10-18 Oracle International Corporation Query and change propagation scheduling for heterogeneous database systems
US10691722B2 (en) 2017-05-31 2020-06-23 Oracle International Corporation Consistent query execution for big data analytics in a hybrid database
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Also Published As

Publication number Publication date
US4782325A (en) 1988-11-01

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