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On the design of quadratic filters with application to image processing

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2 Author(s)
S. V. Uppala ; Dept. of Electr. Eng., Washington Univ., Seattle, WA, USA ; J. D. Sahr

We present a systematic design method for quadratic filters, and show an example for an edge detector. Our design maximizes the output signal-to-noise ratio (SNR) constrained to detect desired signals while ignoring specified error signals such as shot noise. This filter compares favorably with Sobel and morphological detectors of similar complexity

Published in:

IEEE Transactions on Image Processing  (Volume:6 ,  Issue: 4 )