DocumentCode
1259688
Title
Design of fiducials for accurate registration using machine vision
Author
Bose, Chinmoy B. ; Amir, Israel
Author_Institution
AT&T Bell Lab., Murray Hill, NJ, USA
Volume
12
Issue
12
fYear
1990
fDate
12/1/1990 12:00:00 AM
Firstpage
1196
Lastpage
1200
Abstract
The effect of the shape and size of a standard feature (fiducial) on the positional accuracy of the centroid in machine-vision applications is studied. It is shown that a circular fiducial provides superior subpixel registration accuracy among the fiducial shapes typically used today
Keywords
computer vision; computerised pattern recognition; centroid; fiducials; machine vision; shape; size; standard feature; subpixel registration accuracy; Automatic optical inspection; Ceramics; Computer errors; Correlation; Image resolution; Interpolation; Machine vision; Manufacturing automation; Printed circuits; Shape;
fLanguage
English
Journal_Title
Pattern Analysis and Machine Intelligence, IEEE Transactions on
Publisher
ieee
ISSN
0162-8828
Type
jour
DOI
10.1109/34.62609
Filename
62609
Link To Document