Global Patent Index - EP 1787473 A4

EP 1787473 A4 20090121 - MULTI-LAYER VIDEO CODING AND DECODING METHODS AND MULTI-LAYER VIDEO ENCODER AND DECODER

Title (en)

MULTI-LAYER VIDEO CODING AND DECODING METHODS AND MULTI-LAYER VIDEO ENCODER AND DECODER

Title (de)

VERFAHREN ZUR MEHRSCHICHTIGEN VIDEOCODIERUNG UND -DECODIERUNG UND MEHRSCHICHTIGER VIDEOCODIERER UND -DECODIERER

Title (fr)

PROCEDES DE DECODAGE ET CODAGE VIDEO MULTICOUCHES, CODEUR ET DECODEUR VIDEO MULTICOUCHES

Publication

EP 1787473 A4 20090121 (EN)

Application

EP 05780534 A 20050813

Priority

  • KR 2005002654 W 20050813
  • US 60734304 P 20040907
  • KR 20040090991 A 20041109

Abstract (en)

[origin: WO2006028330A1] Multi-layer video coding and decoding methods, multi-layer video encoder and multi-layer video decoder are provided. The multi-layer video coding method includes encoding a video frame having a predetermined resolution using a first video coding scheme, using a frame encoded by the first video coding scheme as a reference to encode the video frame with the same resolution as the predetermined resolution using a second video coding scheme, and generating a bitstream containing the frames encoded by the first and second video coding schemes.

IPC 8 full level

H04N 7/24 (2006.01)

CPC (source: EP)

H04N 19/12 (2014.11); H04N 19/187 (2014.11); H04N 19/30 (2014.11); H04N 19/61 (2014.11); H04N 19/615 (2014.11); H04N 19/63 (2014.11); H04N 19/64 (2014.11); H04N 19/13 (2014.11)

Citation (search report)

  • [PX] EP 1501311 A1 20050126 - NEC CORP [JP]
  • [X] ANDREOPOULOS Y ET AL: "Spatio-temporal-snr scalable wavelet coding with motion compensated dct base-laver architectures", PROCEEDINGS 2003 INTERNATIONAL CONFERENCE ON IMAGE PROCESSING. ICIP-2003. BARCELONA, SPAIN, SEPT. 14 - 17, 2003; [INTERNATIONAL CONFERENCE ON IMAGE PROCESSING], NEW YORK, NY : IEEE, US, vol. 2, 14 September 2003 (2003-09-14), pages 795 - 798, XP010669923, ISBN: 978-0-7803-7750-9
  • [X] RADHA H ET AL: "Scalable Internet video using MPEG-4", SIGNAL PROCESSING. IMAGE COMMUNICATION, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 15, no. 1-2, 1 September 1999 (1999-09-01), pages 95 - 126, XP004180640, ISSN: 0923-5965
  • [A] ULRICH BENZLER: "Spatial Scalable Video Coding Using a Combined Subband-DCT Approach", IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 10, no. 7, 1 October 2000 (2000-10-01), XP011014107, ISSN: 1051-8215
  • [X] YIANNIS ANDREOPOULOS ET AL: "Response to Call for Proposals on Scalable Video Coding Technology (proposal 21 - tool)", VIDEO STANDARDS AND DRAFTS, XX, XX, no. M10589, 8 March 2004 (2004-03-08), XP030039420 & WO 03092295 A1 20031106 - NEC CORP [JP], et al
  • See references of WO 2006028330A1

Citation (examination)

SCHAAR VAN DER M ET AL: "EMBEDDED DCT AND WAVELET METHODS FOR FINE GRANULAR SCALABLE VIDEO: ANALYSIS AND COMPARISON", PROCEEDINGS OF THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING (SPIE), SPIE, USA LNKD- DOI:10.1117/12.382999, vol. 3974, 1 January 2000 (2000-01-01), pages 643 - 653, XP000981435, ISSN: 0277-786X

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 2006028330 A1 20060316; EP 1787473 A1 20070523; EP 1787473 A4 20090121; JP 2008512035 A 20080417; JP 4660550 B2 20110330

DOCDB simple family (application)

KR 2005002654 W 20050813; EP 05780534 A 20050813; JP 2007529675 A 20050813