Techniques for speckle noise removal

Details Techniques for speckle noise removal Techniques for speckle noise removal

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980spie..243...35l&link_type=abstract

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

Statistics

Applications

Geometric Rectification (Imagery), Image Enhancement, Image Reconstruction, Signal To Noise Ratios, Speckle Patterns, Blurring, Low Pass Filters, Noise Reduction, Spatial Filtering

Scientific paper

In this paper, several techniques to reduce speckle noise (more generally signal independent multiplicative noise) in images are studied. The techniques include gray scale modification, frame averaging, low-pass filtering in the intensity and density domains, and application of the short space spectral subtraction image restoration technique in the density domain. Some discussions on the theoretical basis of the techniques studied are given and their performances are illustrated by way of examples.

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