Global Patent Index - EP 1794718 A2

EP 1794718 A2 20070613 - VISIBILITY DATA COMPRESSION METHOD, COMPRESSION SYSTEM AND DECODER

Title (en)

VISIBILITY DATA COMPRESSION METHOD, COMPRESSION SYSTEM AND DECODER

Title (de)

VERFAHREN ZUR SICHTWEITE-DATENKOMPRESSION, ZUR DEKOMPRESSION, DEKODER, SYSTEM ZUR KOMPRESSION

Title (fr)

PROCEDE DE COMPRESSION DE DONNEES DE VISIBILITE, SYSTEME DE COMPRESSION ET DECODEUR

Publication

EP 1794718 A2 20070613 (FR)

Application

EP 05797404 A 20050819

Priority

  • FR 2005050678 W 20050819
  • FR 0409234 A 20040831

Abstract (en)

[origin: WO2006027519A2] The invention relates to a visibility data compression/decompression method, a compression system and a decoder. The inventive method comprises: automatic detection (E7) to check that the lines (i) included in the visibility matrix (Msr) have a high number of shared elements and are not adjoining and, upon detection, switching the lines in order to follow the detected lines having a high number of shared elements in order to form a modified visibility matrix (M'sr); and application (E8) of digital image encoding to the boolean elements of the modified visibility matrix (M'sr).

IPC 8 full level

G06T 9/00 (2006.01)

CPC (source: EP US)

G06T 9/00 (2013.01 - EP US)

Citation (search report)

See references of WO 2006027519A3

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2006027519 A2 20060316; WO 2006027519 A3 20060706; BR PI0514776 A 20080624; CN 100594518 C 20100317; CN 101061514 A 20071024; EP 1794718 A2 20070613; JP 2008511888 A 20080417; JP 4870079 B2 20120208; US 2007258650 A1 20071108; US 8131089 B2 20120306

DOCDB simple family (application)

FR 2005050678 W 20050819; BR PI0514776 A 20050819; CN 200580036403 A 20050819; EP 05797404 A 20050819; JP 2007528942 A 20050819; US 66102905 A 20050819