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Iterative learning procedures can be employed to generate synthetic reference patterns for joint transform correlators. These patterns can be implemented directly on inexpensive spatial light modulators (SLMs) based on liquid crystal television sets. The algorithm takes into account random electronic noise in the system and compensates for SLM distortions. Experimental results demonstrate the advantages of the new approach with two algorithmic examples.
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Joseph Shamir (1990) studied this question.
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