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Hadamard transforms of images by use of inexpensive liquid-crystal spatial light modulators

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Abstract

Incoherent light imaging by Hadamard transformations by use of an inexpensive spatial light modulator from a liquid-crystal display television is demonstrated. The transforms are implemented by means of S matrices. Good-fidelity 31 × 33 pixel images are obtained. The image distortions caused by the limitations of the spatial light modulator are discussed.

© 1997 Optical Society of America

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