Digital processing of images in speckle noise

Details Digital processing of images in speckle noise Digital processing of images in speckle noise

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980spie..243...46j&link_type=abstract

In: Applications of speckle phenomena; Proceedings of the Seminar, San Diego, CA, July 29, 30, 1980. (A81-39439 18-35) Bellingha

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1

Digital Filters, Geometric Rectification (Imagery), Image Filters, Image Processing, Speckle Patterns, Frequency Response, High Resolution, Low Pass Filters, Noise Reduction, Wiener Filtering

Scientific paper

Digital filtering techniques for speckle reduction are studied using several conventional filters and homomorphic filters. It is shown that homomorphic filtering has higher resolution than straightforward linear filtering. Among the several filters considered, the homomorphic Wiener filter is found to yield the best results. Examples and possible extensions of these results are discussed.

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