EP 1449171 A1 20040825 - METHOD AND A HAND-HELD DEVICE FOR IDENTIFYING OBJECTS IN A SEQUENCE OF DIGITAL IMAGES BY CREATING BINARIZED IMAGES BASED ON A ADAPTIVE THRESHOLD VALUE
Title (en)
METHOD AND A HAND-HELD DEVICE FOR IDENTIFYING OBJECTS IN A SEQUENCE OF DIGITAL IMAGES BY CREATING BINARIZED IMAGES BASED ON A ADAPTIVE THRESHOLD VALUE
Title (de)
VERFAHREN UND IN DER HAND GEHALTENE EINRICHTUNG ZUM IDENTIFIZIEREN VON OBJEKTEN IN EINER SEQUENZ DIGITALER BILDER DURCH ERZEUGEN BINÄRISIERTER BILDER AUF DER BASIS EINES ADAPTIVEN SCHWELLENWERTS
Title (fr)
PROCEDE ET APPAREIL PORTATIF POUR IDENTIFIER DES OBJETS DANS UNE SEQUENCE D'IMAGES NUMERIQUES PAR LA CREATION D'IMAGES BINARISEES SUR LA BASE D'UNE VALEUR DE SEUIL ADAPTATIF
Publication
Application
Priority
- SE 0202104 W 20021120
- SE 0103845 A 20011120
Abstract (en)
[origin: WO03044740A1] In a method for identifying objects in a digital image which is included in a sequence of images, luminance values of a current digital image are compared with at least one threshold value in order to create a current binarized image on the basis of the comparison. A quality measure for the current binarized image is also calculated, whereupon said at least one threshold value is updated on the basis of the quality measure for use in binarization of a subsequent image. The method can be realized in the form of a computer program, a computer program product, a device, and a hand -held apparatus for position determination.
IPC 1-7
IPC 8 full level
G06K 9/22 (2006.01); G06K 9/38 (2006.01); G06T 5/00 (2006.01); G06V 10/28 (2022.01)
CPC (source: EP US)
G06V 10/28 (2022.01 - EP US); G06V 30/142 (2022.01 - EP US)
Citation (search report)
See references of WO 03044740A1
Citation (third parties)
Third party :
- US 5661506 A 19970826 - LAZZOUNI MOHAMED [US], et al
- US 5852434 A 19981222 - SEKENDUR ORAL F [US]
- DYMETMAN M; COPPERMAN M: "Intelligent paper", LECTURE NOTES IN COMPUTER SCIENCE, vol. 1375, March 1998 (1998-03-01), pages 392 - 406, XP002328425
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
DOCDB simple family (publication)
WO 03044740 A1 20030530; AU 2002349854 A1 20030610; EP 1449171 A1 20040825; SE 0103845 D0 20011120; SE 0103845 L 20030521; SE 520474 C2 20030715
DOCDB simple family (application)
SE 0202104 W 20021120; AU 2002349854 A 20021120; EP 02786335 A 20021120; SE 0103845 A 20011120