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Precision of Digital Vision Systems

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1 Author(s)
Chih-Shing Ho ; Unimation, Inc., Shelter Rock Lane, Danbury, CT 06810; APPLICON, 32 Second Avenue, Burlington, MA 01803.

The precision of geometric features such as the centroid, area, perimeter, and orientation measured by a 2-D digital vision system is analyzed and tested experimentally. The digitizing error of various geometric features can be expressed in terms of the dimensionless perimeter of the object. As a result of this work, the sampling process can be simplified or eliminated. The analysis is also expanded to cover the 3-D digital vision systems.

Published in:

IEEE Transactions on Pattern Analysis and Machine Intelligence  (Volume:PAMI-5 ,  Issue: 6 )