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A parallel algorithm for corner detection on object contour

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1 Author(s)
Yongchuan, Lan ; Beijing Institute of Remote Sensing Equipment, Beijing P.O. Box 3925

A new parallel algorithm for corner detection on object contour is presented in the paper. In this algorithm whenever a point (pixel) is scanned, the k direction codes between the two sides of the point, which is on the edge of an object, are obtained by k-step forward and backward boundary tracking. A corner is determined by the sum of the difference between the two weighted code chains. Note that the whole chain code sequence or boundary of an object is not necessary to be extracted at all in this algorithm, and the corners are obtained immediately once the image is scanned, furthermore, what humans perceive as corners can be detected and localized by this algorithm.

Published in:

Systems Engineering and Electronics, Journal of  (Volume:3 ,  Issue: 1 )