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Moments of a crack coded blob

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2 Author(s)
Wilson, G.R. ; Gwent Coll. of Higher Educ., Newport, UK ; Batchelor, B.G.

A method for the computation of moments up to the third order of a binary image or blob encoded in crack code is presented. The method uses the projections of the blob on lines at 0, pi /4, pi /2 and 3 pi /4, introduces no approximations, and substantially reduces the computational effort compared with other methods.

Published in:

Computers and Digital Techniques, IEE Proceedings E  (Volume:140 ,  Issue: 1 )