DE60110493D1 - Entropie Kodierer/Dekodierer zur schnellen Datenkompression und -dekompression - Google Patents
Entropie Kodierer/Dekodierer zur schnellen Datenkompression und -dekompressionInfo
- Publication number
- DE60110493D1 DE60110493D1 DE60110493T DE60110493T DE60110493D1 DE 60110493 D1 DE60110493 D1 DE 60110493D1 DE 60110493 T DE60110493 T DE 60110493T DE 60110493 T DE60110493 T DE 60110493T DE 60110493 D1 DE60110493 D1 DE 60110493D1
- Authority
- DE
- Germany
- Prior art keywords
- decompression
- decoder
- data compression
- entropy coder
- fast data
- 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 - Lifetime
Links
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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US565015 | 2000-05-04 | ||
US09/565,015 US6621428B1 (en) | 2000-05-04 | 2000-05-04 | Entropy codec for fast data compression and decompression |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60110493D1 true DE60110493D1 (de) | 2005-06-09 |
DE60110493T2 DE60110493T2 (de) | 2006-01-05 |
Family
ID=24256852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60110493T Expired - Lifetime DE60110493T2 (de) | 2000-05-04 | 2001-02-07 | Entropie Kodierer/Dekodierer zur schnellen Datenkompression und -dekompression |
Country Status (4)
Country | Link |
---|---|
US (1) | US6621428B1 (de) |
EP (1) | EP1154575B1 (de) |
JP (1) | JP2002009625A (de) |
DE (1) | DE60110493T2 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6781589B2 (en) * | 2001-09-06 | 2004-08-24 | Intel Corporation | Apparatus and method for extracting and loading data to/from a buffer |
WO2004036433A1 (ja) * | 2002-10-21 | 2004-04-29 | Renesas Thchnology Corp. | 半導体集積回路装置 |
JP4336678B2 (ja) * | 2003-09-04 | 2009-09-30 | 株式会社日立超エル・エス・アイ・システムズ | 半導体装置 |
US7161507B2 (en) * | 2004-08-20 | 2007-01-09 | 1St Works Corporation | Fast, practically optimal entropy coding |
US7265691B2 (en) * | 2005-06-23 | 2007-09-04 | 1Stworks Corporation | Modeling for enumerative encoding |
US7728742B2 (en) * | 2008-09-30 | 2010-06-01 | Apple Inc. | Method and apparatus for compressing and decompressing data |
US7800519B2 (en) * | 2008-09-30 | 2010-09-21 | Apple Inc. | Method and apparatus for compressing and decompressing data |
US8194755B2 (en) * | 2009-03-06 | 2012-06-05 | Himax Media Solutions, Inc. | Bit stream buffer controller and its method |
CN104011660B (zh) * | 2011-12-22 | 2017-03-01 | 英特尔公司 | 用于处理位流的基于处理器的装置和方法 |
US9606961B2 (en) * | 2012-10-30 | 2017-03-28 | Intel Corporation | Instruction and logic to provide vector compress and rotate functionality |
EP2940575B1 (de) * | 2014-05-02 | 2018-05-09 | Nxp B.V. | Steuerungsschaltungen, Datenschnittstellenblöcke und Verfahren zur Übertragung von Daten |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4376933A (en) | 1979-02-22 | 1983-03-15 | Xerox Corporation | Circuit for compacting data |
US4360840A (en) | 1980-05-13 | 1982-11-23 | Am International, Inc. | Real time data compression/decompression scheme for facsimile transmission system |
US5237701A (en) * | 1989-03-31 | 1993-08-17 | Ampex Systems Corporation | Data unpacker using a pack ratio control signal for unpacked parallel fixed m-bit width into parallel variable n-bit width word |
US4963867A (en) * | 1989-03-31 | 1990-10-16 | Ampex Corporation | Apparatus for packing parallel data words having a variable width into parallel data words having a fixed width |
JPH03106127A (ja) | 1989-09-20 | 1991-05-02 | Fujitsu Ltd | 可変長符号化回路 |
US5499382A (en) | 1993-09-20 | 1996-03-12 | Nusinov; Eugene B. | Circuit and method of bit-packing and bit-unpacking using a barrel shifter |
JP2715871B2 (ja) * | 1993-12-20 | 1998-02-18 | 日本電気株式会社 | 可変長符号化方法 |
-
2000
- 2000-05-04 US US09/565,015 patent/US6621428B1/en not_active Expired - Fee Related
-
2001
- 2001-02-07 DE DE60110493T patent/DE60110493T2/de not_active Expired - Lifetime
- 2001-02-07 EP EP01102700A patent/EP1154575B1/de not_active Expired - Lifetime
- 2001-04-23 JP JP2001124175A patent/JP2002009625A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US6621428B1 (en) | 2003-09-16 |
EP1154575B1 (de) | 2005-05-04 |
EP1154575A1 (de) | 2001-11-14 |
JP2002009625A (ja) | 2002-01-11 |
DE60110493T2 (de) | 2006-01-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE |
|
8364 | No opposition during term of opposition |