Comparison Of Coherent And Incoherent Optical Spectrum Analysis Techniques In Image Evaluation

Scott A. Armstrong; Brian J. Thompson

doi:10.1117/12.955657

22 November 1977 Comparison Of Coherent And Incoherent Optical Spectrum Analysis Techniques In Image Evaluation

Scott A. Armstrong, Brian J. Thompson

Proceedings Volume 0117, Data Extraction and Classification from Film; (1977) https://doi.org/10.1117/12.955657
Event: 21st Annual Technical Symposium, 1977, San Diego, United States

Abstract

The application of communication theory and linear systems concepts to the analysis of photographic images and imaging systems is well established. These techniques include the use of the Wiener spectrum to characterize photographic granularity and to determine the transfer functions for photographic imaging and printing; the standard methods of measurement that have been developed use essentially incoherent optical techniques. Recently, however, coherent optical processors have been applied to image analysis. A series of experiments is described which allows comparison of the spectra and the transfer functions generated by the incoherent and the coherent techniques.

Citation Download Citation

Scott A. Armstrong and Brian J. Thompson "Comparison Of Coherent And Incoherent Optical Spectrum Analysis Techniques In Image Evaluation", Proc. SPIE 0117, Data Extraction and Classification from Film, (22 November 1977); https://doi.org/10.1117/12.955657

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