Global Patent Index - EP 1032881 A4

EP 1032881 A4 20050831 - A ROBUST, RELIABLE COMPRESSION AND PACKETIZATION SCHEME FOR TRANSMITTING VIDEO

Title (en)

A ROBUST, RELIABLE COMPRESSION AND PACKETIZATION SCHEME FOR TRANSMITTING VIDEO

Title (de)

ROBUSTES ZUVERLÄSSIGES KOMPRESSIONS- UND PACKETIERUNGSVERFAHREN ZUR ÜBERTRAGUNG VON VIDEO

Title (fr)

SCHEMA DE CODAGE DE COMPRESSION ET DE MISE EN PAQUETS ROBUSTE, FIABLE, UTILE POUR LA TRANSMISSION DE VIDEOS

Publication

EP 1032881 A4 20050831 (EN)

Application

EP 98939098 A 19980728

Priority

  • US 9815564 W 19980728
  • US 5387197 P 19970728

Abstract (en)

[origin: WO9905602A1] For transmitting digital video information over a network such as the Internet, a hybrid coding scheme (Figs. 9-18) with wavelet I frame coding and H.263 predictive coding produces a robust, low bit rate video coding scheme. A new packetization method analyzes macroblock level dependency structure (Fig. 19) and packetizes the bit stream so as to minimize dependencies between packets and thereby minimize packet loss damage.

IPC 1-7

G06F 13/00; H04N 7/64; H04N 7/26

IPC 8 full level

G06T 9/00 (2006.01); H04N 7/26 (2006.01); H04N 7/30 (2006.01); H04N 7/60 (2006.01); H04N 7/64 (2006.01); H04N 19/89 (2014.01); H04N 21/236 (2011.01); H04N 21/434 (2011.01)

CPC (source: EP)

H04N 19/517 (2014.11); H04N 19/60 (2014.11); H04N 19/61 (2014.11); H04N 19/63 (2014.11); H04N 19/647 (2014.11); H04N 19/70 (2014.11); H04N 21/236 (2013.01); H04N 21/434 (2013.01); H04N 19/30 (2014.11); H04N 19/65 (2014.11); H04N 19/89 (2014.11)

Citation (search report)

  • [XAY] US 5572333 A 19961105 - MORIYAMA YOSHIAKI [JP], et al
  • [YA] WO 9717797 A2 19970515 - SARNOFF DAVID RES CENTER [US], et al
  • [A] US 5629736 A 19970513 - HASKELL BARIN G [US], et al
  • [A] MASAHIRO WADA: "SELECTIVE RECOVERY OF VIDEO PACKET LOSS USING ERROR CONCEALMENT", IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, IEEE INC. NEW YORK, US, vol. 7, no. 5, 1 June 1989 (1989-06-01), pages 807 - 814, XP000036749, ISSN: 0733-8716
  • [A] LEE H-J ET AL: "AN ERROR CONCEALMENT ALGORITHM FOR WAVELET-CODED IMAGES OVER PACKET-SWITCHED NETWORKS", PROCEEDINGS OF THE SPIE, SPIE, BELLINGHAM, VA, US, vol. 2667, 29 January 1996 (1996-01-29), pages 222 - 233, XP000770115, ISSN: 0277-786X
  • See references of WO 9905602A1

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

WO 9905602 A1 19990204; AU 8759198 A 19990216; EP 1032881 A1 20000906; EP 1032881 A4 20050831

DOCDB simple family (application)

US 9815564 W 19980728; AU 8759198 A 19980728; EP 98939098 A 19980728