EP 1157559 A4 20020123 - METHODS AND APPARATUS FOR IMPROVED MOTION ESTIMATION FOR VIDEO ENCODING
Title (en)
METHODS AND APPARATUS FOR IMPROVED MOTION ESTIMATION FOR VIDEO ENCODING
Title (de)
VERFAHREN UND VORRICHTUNG ZUR VERBESSERTEN BEWEGUNGSSCHÄTZUNG FÜR DIE VIDEOKODIERUNG
Title (fr)
PROCEDE ET DISPOSITIF DESTINE A UNE MEILLEURE ESTIMATION DES MOUVEMENTS POUR LE VIDEOCODAGE
Publication
Application
Priority
- US 9925707 W 19991102
- US 10686798 P 19981103
Abstract (en)
[origin: WO0027128A1] In a new motion estimation system (550) and process for video compression (600), the search for matching blocks is performed in the frequency domain making extensive use of data already computed by the video encoding process. Moreover, additional good block matches can be recognized with this approach. A multi-tiered approach may be employed to combine the frequency domain analysis with existing spatial domain techniques. The approach is computationally less expensive than typical spatial domain block matching algorithms.
IPC 1-7
IPC 8 full level
H04N 7/32 (2006.01); G06T 9/00 (2006.01); H03M 7/30 (2006.01); H03M 7/36 (2006.01); H03M 7/40 (2006.01); H04N 7/26 (2006.01); H04N 7/30 (2006.01)
CPC (source: EP)
H04N 19/51 (2014.11)
Citation (search report)
- No further relevant documents disclosed
- See references of WO 0027128A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 0027128 A1 20000511; EP 1157559 A1 20011128; EP 1157559 A4 20020123; IL 142856 A0 20020310; JP 2002529977 A 20020910
DOCDB simple family (application)
US 9925707 W 19991102; EP 99971615 A 19991102; IL 14285699 A 19991102; JP 2000580388 A 19991102