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Elimination of redundant operations for a fast Sobel operator

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1 Author(s)
Lee, C.C. ; McDonnell Douglas Corp., St. Louis, MO, USA

Automatic image segmentation by edge detection techniques often involves recursive operations that incorporate redundant computations. Two methods for implementation of a fast Sobel operator are proposed, which eliminate a considerable amount of redundancy at the expense of increased storage capacity. Comparisons between the standard method and the proposed fast methods are included.

Published in:

Systems, Man and Cybernetics, IEEE Transactions on  (Volume:SMC-13 ,  Issue: 2 )