Global Patent Index - EP 1721465 A1

EP 1721465 A1 20061115 - VIDEO ENCODING AND DECODING METHODS AND SYSTEMS FOR VIDEO STREAMING SERVICE

Title (en)

VIDEO ENCODING AND DECODING METHODS AND SYSTEMS FOR VIDEO STREAMING SERVICE

Title (de)

VIDEOCODIERUNGS- UND -DECODIERUNGSVERFAHREN UND -SYSTEME FÜR VIDEO-STREAMING-DIENST

Title (fr)

PROCEDES DE CODAGE ET DECODAGE VIDEO ET SYSTEMES POUR SERVICE DE VIDEO EN DEBIT CONTINU

Publication

EP 1721465 A1 20061115 (EN)

Application

EP 05726745 A 20050225

Priority

  • KR 2005000520 W 20050225
  • US 54954404 P 20040304
  • KR 20040028487 A 20040424

Abstract (en)

[origin: WO2005086487A1] Video encoding and decoding methods and systems for video streaming are provided. The video encoding method includes encoding first resolution frames using scalable video coding, upsampling the first resolution frames to a second resolution, and encoding second resolution frames using scalable video coding with reference to upsampled versions of the first resolution frames.

IPC 8 full level

H04N 7/24 (2006.01); H04N 7/26 (2006.01); H04N 7/50 (2006.01)

CPC (source: EP)

H04N 19/187 (2014.11); H04N 19/33 (2014.11); H04N 19/59 (2014.11); H04N 19/61 (2014.11); H04N 19/63 (2014.11); H04N 19/70 (2014.11)

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 MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2005086487 A1 20050915; CA 2557312 A1 20050915; CA 2557312 C 20130423; EP 1721465 A1 20061115; EP 1721465 A4 20090121; JP 2007525924 A 20070906

DOCDB simple family (application)

KR 2005000520 W 20050225; CA 2557312 A 20050225; EP 05726745 A 20050225; JP 2007501706 A 20050225