M. Nicholson, G. Gibbons, I. R. Cooper, C. R. Petts
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An Updateable Image Correlator Employing Synthetic Discriminant Functions
Coherent optical image correlators have been the subject of much research since the early work, performed by Vander Lugt in 1964 [1]. The use of conventional holographic techniques in such systems have proven to be inflexible in that the filter function cannot be updated at a speed comparable to that of the processing speed.