Design of fiducials for accurate registration using machine vision

Design of fiducials for accurate registration using machine vision

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.< >

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Veröffentlicht in:IEEE transactions on pattern analysis and machine intelligence 1990-12, Vol.12 (12), p.1196-1200
Hauptverfasser: Bose, C.B., Amir, J.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Artificial intelligence
Automatic optical inspection
Ceramics
Computer errors
Computer science
control theory
systems
Correlation
Exact sciences and technology
Image resolution
Interpolation
Machine vision
Manufacturing automation
Pattern recognition. Digital image processing. Computational geometry
Printed circuits
Shape
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Zusammenfassung: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.< >
ISSN:0162-8828
1939-3539
DOI:10.1109/34.62609