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An automated quantitative evaluation of holographic interference patterns can be carried out by a microprocessor controlled system. The recorded images normally are disturbed by e.g. diffraction patterns of dust particles and speckle noise. We describe some image processing techniques which can be applied to these images in order to suppress the disturbances and to enhance the interference pattern. It is reported on the realization of these techniques by a microprocessor controlled system.
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Kreis et al. (1980) studied this question.
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