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A new zero-crossing-based discontinuity detector
Lee, D.; Wasilkowski, G.W.; Mehrotra, R.;
Image Processing, IEEE Transactions on
Volume 2,
Issue 2,
April 1993
Page(s):265
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268
Abstract:
General zero-crossing-based discontinuity detectors in two dimensions, which include Marr-Hildreth (1980), residual, difference of Gaussians, and other detectors as special cases, are discussed. Mathematical justification for this class of detectors is presented. An optimal detector that maximizes the signal-to-noise ratio is derived. Preliminary experimental results for real images are reported
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