Steerable wedge filters for local orientation analysis

Authors:
E. P. Simoncelli;H. Farid
Affiliations:
Dept. of Comput. & Inf. Sci., Pennsylvania Univ., Philadelphia, PA;-
Venue:
IEEE Transactions on Image Processing
Year:
1996

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Abstract

Steerable filters have been used to analyze local orientation patterns in imagery. Such filters are typically based on directional derivatives, whose symmetry produces orientation responses that are periodic with period π, independent of image structure. We present a more general set of steerable filters that alleviate this problem