Abstract
Optical correlation has profited from simultaneous advances in spatial light modulators and algorithms, which have considerably broadened its field of applications. Nevertheless, in many image processing tasks, multiple correlations are required. Optical multichannel correlation architectures have been proposed in the case of classical Vander Lugt correlators. We suggest a solution based on the joint transform correlator architecture. We show that this solution is well suited to the use of silicon backplane spatial light modulators involving variable pixel fill factor designs.
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