Processing

Please wait...

Settings

Settings

Goto Application

1. WO2003003584 - SYSTEM AND METHOD FOR DATA COMPRESSION USING A HYBRID CODING SCHEME

Publication Number WO/2003/003584
Publication Date 09.01.2003
International Application No. PCT/US2002/021087
International Filing Date 01.07.2002
Chapter 2 Demand Filed 28.01.2003
IPC
H03M 7/30 2006.1
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
MCODING, DECODING OR CODE CONVERSION, IN GENERAL
7Conversion of a code where information is represented by a given sequence or number of digits to a code where the same information is represented by a different sequence or number of digits
30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
H03M 7/40 2006.1
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
MCODING, DECODING OR CODE CONVERSION, IN GENERAL
7Conversion of a code where information is represented by a given sequence or number of digits to a code where the same information is represented by a different sequence or number of digits
30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
CPC
G11B 2220/2562
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
2220Record carriers by type
20Disc-shaped record carriers
25characterised in that the disc is based on a specific recording technology
2537Optical discs
2562DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
H03M 7/30
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
MCODING; DECODING; CODE CONVERSION IN GENERAL
7Conversion 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
30Compression
H03M 7/3088
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
MCODING; DECODING; CODE CONVERSION IN GENERAL
7Conversion 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
30Compression
3084using adaptive string matching, e.g. the Lempel-Ziv method
3088employing the use of a dictionary, e.g. LZ78
H03M 7/40
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
MCODING; DECODING; CODE CONVERSION IN GENERAL
7Conversion 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
30Compression
40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
H03M 7/4006
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
MCODING; DECODING; CODE CONVERSION IN GENERAL
7Conversion 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
30Compression
40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
4006Conversion to or from arithmetic code
Applicants
  • NETCONTINUUM, INC. [US]/[US]
Inventors
  • BIALKOWSKI, Jan
Agents
  • COHEN, Matthew
  • SCHEPLER, Wendi, R.
Priority Data
60/301,92629.06.2001US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) SYSTEM AND METHOD FOR DATA COMPRESSION USING A HYBRID CODING SCHEME
(FR) SYSTEME ET PROCEDE DE COMPRESSION DE DONNEES FAISANT APPEL A UN MECANISME DE CODAGE HYBRIDE
Abstract
(EN) A system and method for data compression using a hybrid coding scheme includes a dictionary (212), a statistical model (214), and an encoder (216). The dictionary (212) is a list containing data patterns each associated with an index (228, 222). The indicies (222, 228) are sent to the statistical model (214) and to the encoder (216). The encoder (216) is preferably an arithmetic encoder.
(FR) La présente invention concerne un système et un procédé de compression de données qui fait appel à un mécanisme de codage hybride et qui comprend un dictionnaire (212), un modèle statistique(214) et un codeur (216). Le dictionnaire (212) est une liste contenant des modèles de données associés chacun à un index (228, 222). Les index (222, 228) sont envoyés au modèle statistique (214) et au codeur (216). Le codeur (216) est de préférence un codeur arithmétique.
Related patent documents
Latest bibliographic data on file with the International Bureau