30 March 1995 Design and application of binary differencing filters
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Abstract
For given binary image and degradation processes, an optimal mean-absolute-error translation- invariant filter can be designed via the representation of such filters as a union of morphological hit-or-miss transforms. The present paper investigates a different optimization methodology by representing translation-invariant filters as differencing filters. Rather than employing structuring templates to build the entire output image, as is done with direct hit-or- miss representation, differencing filters only employ templates that locate value flips (black-to- white or white-to-black). Differencing filters play a central role in several digital document processing tasks. It is shown how differencing filters are statistically designed and applied for image restoration and resolution conversion.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Robert P. Loce, Robert P. Loce, Edward R. Dougherty, Edward R. Dougherty, } "Design and application of binary differencing filters", Proc. SPIE 2422, Document Recognition II, (30 March 1995); doi: 10.1117/12.205835; https://doi.org/10.1117/12.205835
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