Abstract
Recent work has demonstrated the effectiveness of coherent optical power spectrum (COPS) analysis for solving diverse problems in image evaluation. This paper extends previous work to include the prominent aspects of imagery contrast, as they pertain to COPS analysis. It is shown that the contrast effect on power spectra can and should be maximized or minimized, via different normalization techniques, depending on the particular class of image evaluation problems being addressed. In addition, the utility of using a COPS analyzer for contrast measurement of complex (or random) imagery is given.
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