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Shape Discrimination Using Fourier Descriptors

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2 Author(s)

Description or discrimination of boundary curves (shapes) is an important problem in picture processing and pattern recognition. Fourier descriptors (FD's) have interesting properties in this respect. First, a critical review is given of two kinds of FD's. Some properties of the FD's are given and a distance measure is proposed, in terms of FD's, that measures the difference between two boundary curves. It is shown how FD's can be used for obtaining skeletons of objects. Finally, experimental results are given in character recognition and machine parts recognition.

Published in:

Systems, Man and Cybernetics, IEEE Transactions on  (Volume:7 ,  Issue: 3 )

Date of Publication:

March 1977

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