Optics In Image Processing : Prospects And Illustrations

P. Chavel; R. Mercier; L. Dettwiller

doi:10.1117/12.943709

27 March 1985 Optics In Image Processing : Prospects And Illustrations

P. Chavel, R. Mercier, L. Dettwiller

Proceedings Volume 0492, 1984 European Conf on Optics, Optical Systems, and Applications; (1985) https://doi.org/10.1117/12.943709
Event: 1984 European Conference on Optics, Optical Systems and Applications, 1984, Amsterdam, Netherlands

Abstract

Optics is necessary to analyze and realize imaging processes, but it is also a possible tool in image processing. Since the concepts of coherent and incoherent optical image processing including the formalism of spacial frequency filtering, the laser, and holography, were developed, computer science went through revolutionary developments. The past and present situation of optical image processing is critically examined, and three subject to which we have recently contributed are used as illustrations. The first is the use of interference phenomena as spatial frequency filters, which can be a useful complement to the more conventional use of diffraction. The second is the use of white light illumination in spatial frequency filtering setups to obtain spatial frequency pseudocoloring. Finally, a texture discrimination experiment involving optical preprocessing by a set of interference spatial frequency filters Followed by computer classification is described.

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P. Chavel, R. Mercier, and L. Dettwiller "Optics In Image Processing : Prospects And Illustrations", Proc. SPIE 0492, 1984 European Conf on Optics, Optical Systems, and Applications, (27 March 1985); https://doi.org/10.1117/12.943709

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KEYWORDS

Image processing

Spatial frequencies

Spatial filters

Optical filters

Crystals

Modulation transfer functions

Image filtering

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