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1. (WO2003001467) METHOD AND DEVICE FOR MONITORING MOVEMENT
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2003/001467 International Application No.: PCT/SE2002/001264
Publication Date: 03.01.2003 International Filing Date: 25.06.2002
IPC:
G08B 13/194 (2006.01)
G PHYSICS
08
SIGNALLING
B
SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
13
Burglar, theft, or intruder alarms
18
Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
189
using passive radiation detection systems
194
using image scanning and comparing systems
Applicants: BENCKERT, Henrik[SE/SE]; SE (UsOnly)
ELFVING, Mats[SE/SE]; SE (UsOnly)
NILSSON-STIG, Per[SE/SE]; SE (UsOnly)
SJÖ, Eva[SE/SE]; SE (UsOnly)
WESPOT AB[SE/SE]; Sölvegatan 41 S-223 70 Lund, SE (AllExceptUS)
Inventors: BENCKERT, Henrik; SE
ELFVING, Mats; SE
NILSSON-STIG, Per; SE
SJÖ, Eva; SE
Agent: ASKETORP, Göran, P.; Anoto AB Scheelevägen 19C S-223 70 Lund, SE
Priority Data:
0102244-125.06.2001SE
0102245-825.06.2001SE
Title (EN) METHOD AND DEVICE FOR MONITORING MOVEMENT
(FR) PROCEDE ET DISPOSITIF DE DETECTION DE MOUVEMENT
Abstract:
(EN) A method, a computer program product and a system for image processing for detection of movement in a monitored area comprising the steps of recording (100) an image of the monitored area, calculating (110) a difference image between the recorded image and a previously recorded image, and determining (140) whether movement has been detected by identifying (130) an object appearing in the difference image. In addition, the difference image is filtered (120) with a filter that has the property of strengthening the edges of the object in one direction. Use of the method for controlling an automatic door-opener.
(FR) L'invention concerne un procédé, un produit de programme informatique et un système de traitement d'image, permettant de détecter des mouvements dans une zone sous surveillance. Ledit procédé comprend les étapes consistant à enregistrer (100) une image de la zone sous surveillance, calculer (110) une image de différence entre l'image enregistrée et une image enregistrée précédemment, et déterminer (140) si un mouvement a été détecté par identification (130) d'un objet apparaissant dans l'image de différence. Par ailleurs, l'image de différence est filtrée (120) au moyen d'un filtre présentant la propriété de renforcer les contours de l'objet dans une direction. L'invention se rapporte en outre à l'utilisation dudit procédé pour commander un dispositif d'ouverture de portes automatique.
front page image
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NO, NZ, OM, PH, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VN, YU, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (GH, GM, KE, LS, MW, MZ, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)