EP 1086368 A1 20010328 - A METHOD AND SYSTEM FOR MONITORING OR SCANNING AN OBJECT, MATERIAL OR THE LIKE
Title (en)
A METHOD AND SYSTEM FOR MONITORING OR SCANNING AN OBJECT, MATERIAL OR THE LIKE
Title (de)
VERFAHREN UND VORRICHTUNG ZUM ÜBEREWACHEN ODER ABTASTEN EINES OBJEKTS, MATERIALS ODER ÄHNLICHEM
Title (fr)
PROCEDE ET SYSTEME DE CONTROLE OU DE BALAYAGE D'UN OBJET, D'UNE MATIERE OU ANALOGUE
Publication
Application
Priority
- SE 9900541 W 19990331
- SE 9801170 A 19980402
Abstract (en)
[origin: WO9951969A1] In a method for monitoring or scanning an object, material or the like with the aid of a camera (2) movable in relation to the object or material, data recorded by the camera is stored sequentially as pixel values. A reference value is determined from one or more selected, stored pixels. The difference between the value of the actual pixel and the reference value is determined, after which changes in the object or material are detected from said difference. A system for such monitoring or scanning comprises a camera and a data-storage unit for sequential storage of recorded data as pixel values. A reference-producing unit (10) is arranged to produce a reference value from the value or values of one or more selected, stored pixels, and a comparison unit (6, 8) is arranged to form the difference between the value of the actual pixel and the reference value.
IPC 1-7
IPC 8 full level
G01B 11/00 (2006.01); G01B 11/16 (2006.01); G01N 21/84 (2006.01); G01N 21/89 (2006.01); G06T 1/00 (2006.01); G06T 7/20 (2006.01)
CPC (source: EP)
G01B 11/16 (2013.01); G01N 21/8903 (2013.01)
Citation (search report)
See references of WO 9951969A1
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB IE IT LI NL PT
DOCDB simple family (publication)
WO 9951969 A1 19991014; CA 2324112 A1 19991014; EP 1086368 A1 20010328; JP 2002510815 A 20020409; NO 20004821 D0 20000926; NO 20004821 L 20001204; SE 9801170 D0 19980402; SE 9801170 L 19991003
DOCDB simple family (application)
SE 9900541 W 19990331; CA 2324112 A 19990331; EP 99922695 A 19990331; JP 2000542657 A 19990331; NO 20004821 A 20000926; SE 9801170 A 19980402