AR031123A1 - Un metodo para minimizar la longitud de codigo de una direccion de entrada para por lo menos una tabla de referencia para datos codificados de longitud variable y un aparato para llevar a la practica dicho metodo - Google Patents
Un metodo para minimizar la longitud de codigo de una direccion de entrada para por lo menos una tabla de referencia para datos codificados de longitud variable y un aparato para llevar a la practica dicho metodoInfo
- Publication number
- AR031123A1 AR031123A1 ARP010103773A ARP010103773A AR031123A1 AR 031123 A1 AR031123 A1 AR 031123A1 AR P010103773 A ARP010103773 A AR P010103773A AR P010103773 A ARP010103773 A AR P010103773A AR 031123 A1 AR031123 A1 AR 031123A1
- Authority
- AR
- Argentina
- Prior art keywords
- variable length
- reference table
- minimizing
- encoded data
- appliance
- Prior art date
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
- 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
- H03M7/425—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 for the decoding process only
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
- G11B2020/10537—Audio or video recording
- G11B2020/10546—Audio or video recording specifically adapted for audio data
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Se reivindica un aparato y método para minimizar la longitud de codigo de una direccion de entrada para por lo menos una tabla de referencia para datos codificados de longitud variable. Se lee un bloque de datos codificados de longitud variable. El bloque de datos codificados de longitud variable luego se convierte a datos codificados sub-optimos.. El dato codificado de longitud variable está definido por tener una porcion de prefijo y una porcion de sufijo. La porcion de sufijo de los datos codificados de longitud variable se utiliza para significar la tabla de referencia. La porcion de sufijo de los datos codificados de longitud variable se utiliza como direccion de entrada para la tabla de referencia.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/634,666 US6912070B1 (en) | 2000-08-08 | 2000-08-08 | Sub-optimal variable length coding |
Publications (1)
Publication Number | Publication Date |
---|---|
AR031123A1 true AR031123A1 (es) | 2003-09-10 |
Family
ID=24544733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP010103773A AR031123A1 (es) | 2000-08-08 | 2001-08-07 | Un metodo para minimizar la longitud de codigo de una direccion de entrada para por lo menos una tabla de referencia para datos codificados de longitud variable y un aparato para llevar a la practica dicho metodo |
Country Status (6)
Country | Link |
---|---|
US (1) | US6912070B1 (es) |
AR (1) | AR031123A1 (es) |
AU (1) | AU2001278120A1 (es) |
MY (1) | MY128802A (es) |
TW (1) | TW550955B (es) |
WO (1) | WO2002013539A1 (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7106794B2 (en) * | 2000-08-11 | 2006-09-12 | Broadcom Corporation | System and method for Huffman shaping in a data communication system |
US6870885B2 (en) | 2001-05-16 | 2005-03-22 | Qualcomm Incorporated | Apparatus and method for decoding and computing a discrete cosine transform using a butterfly processor |
KR100992246B1 (ko) | 2001-11-22 | 2010-11-05 | 파나소닉 주식회사 | 부호화 방법 및 부호화 장치 |
US7055018B1 (en) * | 2001-12-31 | 2006-05-30 | Apple Computer, Inc. | Apparatus for parallel vector table look-up |
US7681013B1 (en) | 2001-12-31 | 2010-03-16 | Apple Inc. | Method for variable length decoding using multiple configurable look-up tables |
US8848261B1 (en) * | 2012-02-15 | 2014-09-30 | Marvell International Ltd. | Method and apparatus for using data compression techniques to increase a speed at which documents are scanned through a scanning device |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4813056A (en) | 1987-12-08 | 1989-03-14 | General Electric Company | Modified statistical coding of digital signals |
JPH03145223A (ja) | 1989-10-30 | 1991-06-20 | Toshiba Corp | 可変長符号復調装置 |
US5107345A (en) | 1990-02-27 | 1992-04-21 | Qualcomm Incorporated | Adaptive block size image compression method and system |
US5021891A (en) | 1990-02-27 | 1991-06-04 | Qualcomm, Inc. | Adaptive block size image compression method and system |
DK0587783T3 (da) | 1991-06-04 | 1998-05-04 | Qualcomm Inc | Billedkompressionssystem med adaptiv blokstørrelse |
US5227789A (en) | 1991-09-30 | 1993-07-13 | Eastman Kodak Company | Modified huffman encode/decode system with simplified decoding for imaging systems |
US5226082A (en) | 1992-07-02 | 1993-07-06 | At&T Bell Laboratories | Variable length decoder |
JP3076462B2 (ja) * | 1992-11-09 | 2000-08-14 | 松下電器産業株式会社 | デジタル・ビデオ・コーダ用のバーサタイルな可変長コーダ |
US5510785A (en) | 1993-03-19 | 1996-04-23 | Sony Corporation | Method of coding a digital signal, method of generating a coding table, coding apparatus and coding method |
US5835033A (en) | 1994-11-08 | 1998-11-10 | Canon Kabushiki Kaisha | Decoding apparatus and method for coded data |
US5648774A (en) | 1995-05-08 | 1997-07-15 | Industrial Technology Research Institute | Variable length coding with three-field codes |
US5675332A (en) * | 1996-02-01 | 1997-10-07 | Samsung Electronics Co., Ltd. | Plural-step chunk-at-a-time decoder for variable-length codes of Huffman type |
-
2000
- 2000-08-08 US US09/634,666 patent/US6912070B1/en not_active Expired - Lifetime
-
2001
- 2001-08-01 AU AU2001278120A patent/AU2001278120A1/en not_active Abandoned
- 2001-08-01 WO PCT/US2001/024141 patent/WO2002013539A1/en active Application Filing
- 2001-08-06 MY MYPI20013695A patent/MY128802A/en unknown
- 2001-08-07 AR ARP010103773A patent/AR031123A1/es active IP Right Grant
- 2001-08-08 TW TW090119324A patent/TW550955B/zh active
Also Published As
Publication number | Publication date |
---|---|
US6912070B1 (en) | 2005-06-28 |
TW550955B (en) | 2003-09-01 |
AU2001278120A1 (en) | 2002-02-18 |
WO2002013539A1 (en) | 2002-02-14 |
MY128802A (en) | 2007-02-28 |
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Legal Events
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FG | Grant, registration |