EP 2289045 A1 20110302 - METHOD AND DEVICE FOR ANALYZING VIDEO SIGNALS GENERATED BY A MOVING CAMERA
Title (en)
METHOD AND DEVICE FOR ANALYZING VIDEO SIGNALS GENERATED BY A MOVING CAMERA
Title (de)
VERFAHREN UND EINRICHTUNG ZUM ANALYSIEREN VON DURCH EINE SICH BEWEGENDE KAMERA ERZEUGTEN VIDEOSIGNALEN
Title (fr)
PROCÉDÉ ET DISPOSITIF POUR ANALYSER DES SIGNAUX VIDÉO PRODUITS PAR UNE CAMÉRA MOBILE
Publication
Application
Priority
SG 2008000188 W 20080516
Abstract (en)
[origin: WO2009139723A1] A method is provided for detecting moving objects in a video signal generated by a moving camera. A first plurality of pixels is selected from a first frame and a second plurality of pixels comprised in that first plurality, is identified in a preceding frame. Based upon the second plurality of pixels, changes occurred in pixels belonging to the first plurality of pixels are identified, and a shifting intensity value of pixels for which changes have been identified, is calculated. Then, a vector which is associated with the pixels' locations and calculated shifting intensity value is generated, and a connected component which comprises a group of pixels comprised in the second plurality of pixels, is identified. The group is characterized in that a change in each of its pixels is associated with a change in each of the remaining pixels of that group, and that pixels comprised in the group have a distinctive shifting intensity value, indicating a movement of the connected component which is associated with the moving object, relative to background shifting caused by the camera movement.
IPC 8 full level
G06T 7/00 (2006.01)
CPC (source: EP)
G06T 7/20 (2013.01); G06T 2207/10016 (2013.01)
Citation (search report)
See references of WO 2009139723A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
WO 2009139723 A1 20091119; WO 2009139723 A8 20100114; AU 2008356238 A1 20091119; CN 102203828 A 20110928; EP 2289045 A1 20110302; IL 207770 A0 20101230
DOCDB simple family (application)
SG 2008000188 W 20080516; AU 2008356238 A 20080516; CN 200880128836 A 20080516; EP 08754025 A 20080516; IL 20777010 A 20100824