EP 0800684 A4 19980325 - METHOD AND DEVICE FOR ENCODING/DECODING A DISPLACED FRAME DIFFERENCE
Title (en)
METHOD AND DEVICE FOR ENCODING/DECODING A DISPLACED FRAME DIFFERENCE
Title (de)
VERFAHREN UND GERÄT ZUM KODIEREN UND DEKODIEREN EINES VERSCHOBENEN RAHMENUNTERSCHIEDS
Title (fr)
PROCEDE ET DISPOSITIF POUR CODER/DECODER UNE DIFFERENCE DE TRAME DEPLACEE
Publication
Application
Priority
- US 9614115 W 19960827
- US 54878995 A 19951026
Abstract (en)
[origin: WO9715897A1] The present invention provides a method (100, 700), device (400, 800) and microprocessor (500) for performing a computationally efficient iterative expansion of a displaced frame difference, DFD, image over a predetermined dictionary of modulated Gaussian functions for the purposes of video compression. The iterative expansion described in this invention decomposes the DFD image into a set of coefficients which represent the perceptually important areas of a video frame in a compact way. The resulting method, device and microprocessor serve to provide a means for very low bit rate coding/decoding of a video sequence.
IPC 1-7
IPC 8 full level
G06T 9/00 (2006.01); H04N 7/36 (2006.01); H04N 11/04 (2006.01)
CPC (source: EP)
H04N 11/042 (2013.01); H04N 19/503 (2014.11)
Citation (search report)
- [A] WO 9302526 A1 19930204 - TRAITEMENT DES SIGNAUX LAB DE [CH]
- [X] NEFF R ET AL: "Very low bit rate video coding using matching pursuits", VISUAL COMMUNICATIONS AND IMAGE PROCESSING '94, CHICAGO, IL, USA, 25-28 SEPT. 1994, vol. 2308, pt.1, ISSN 0277-786X, PROCEEDINGS OF THE SPIE - THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING, 1994, USA, pages 47 - 60, XP002051991
- [X] VETTERLI M ET AL: "MATCHING PURSUIT FOR COMPRESSION AND APPLICATION TO MOTION COMPENSATED VIDEO CODING", PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING (IC, AUSTIN, NOV. 13 - 16, 1994, vol. 1 OF 3, 13 November 1994 (1994-11-13), INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, pages 725 - 729, XP000522039
- [A] FEICHTINGER H G ET AL: "Hierarchical parallel matching pursuit", IMAGE RECONSTRUCTION AND RESTORATION, SAN DIEGO, CA, USA, 25-26 JULY 1994, vol. 2302, ISSN 0277-786X, PROCEEDINGS OF THE SPIE - THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING, 1994, USA, pages 222 - 232, XP002051992
- See references of WO 9715897A1
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
WO 9715897 A1 19970501; EP 0800684 A1 19971015; EP 0800684 A4 19980325; TW 395119 B 20000621
DOCDB simple family (application)
US 9614115 W 19960827; EP 96929873 A 19960827; TW 85110931 A 19960906