Design and application of binary differencing filters

Robert P. Loce; Edward R. Dougherty

doi:10.1117/12.205835

30 March 1995 Design and application of binary differencing filters

Robert P. Loce, Edward R. Dougherty

Proceedings Volume 2422, Document Recognition II; (1995) https://doi.org/10.1117/12.205835
Event: IS&T/SPIE's Symposium on Electronic Imaging: Science and Technology, 1995, San Jose, CA, United States

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.

Citation Download Citation

Robert P. Loce and Edward R. Dougherty "Design and application of binary differencing filters", Proc. SPIE 2422, Document Recognition II, (30 March 1995); https://doi.org/10.1117/12.205835

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