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Optical Engineering

Nonlinear image transformations implemented with spatial light modulators
Author(s): Arthur Robert Weeks; Harley R. Myler; Jonathan D. Emery
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Paper Abstract

A technique for optically implementing nonlinear gray-level transformations on images via a spatial light modulator (SLM) coupled to a computer image-processing system is presented. Both the exponential and the logarithmic functions are implemented. The only restriction in the choice of nonlinear transformations is that they must lie below the SLM's linear intensity output versus intensity input curve obtained with the SLM set to a full transmittance.

Paper Details

Date Published: 1 March 1994
PDF: 6 pages
Opt. Eng. 33(3) doi: 10.1117/12.160975
Published in: Optical Engineering Volume 33, Issue 3
Show Author Affiliations
Arthur Robert Weeks, Univ. of Central Florida (United States)
Harley R. Myler, Univ. of Central Florida (United States)
Jonathan D. Emery, Nichols Research Corp. (United States)

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