Nonlinear Image Restoration

Rangachar Kasturi; John F. Walkup

doi:10.1117/12.946406

22 July 1985 Nonlinear Image Restoration

Rangachar Kasturi, John F. Walkup

Proceedings Volume 0528, Digital Image Processing; (1985) https://doi.org/10.1117/12.946406
Event: 1985 Los Angeles Technical Symposium, 1985, Los Angeles, United States

Abstract

The presence of signal-dependent image noise sources commonly leads to the use of nonlinear restoration techniques. This paper reviews the use of signal-dependent noise models such as film grain noise and photoelectronic shot noise and describes some of the nonlinear estimators which have been developed for these situations. The usefulness of signal-dependent noise in recovering signal information is also discussed. The results of computer simulations on various test images are presented.

Citation Download Citation

Rangachar Kasturi and John F. Walkup "Nonlinear Image Restoration", Proc. SPIE 0528, Digital Image Processing, (22 July 1985); https://doi.org/10.1117/12.946406

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