New arrangement for limited intensity invariance pattern recognition with high diffraction efficiency

Styczynski K., Campos J., Yzuel M.J., Chalasinska-Macukow K.

Optics Communications

118(3-4), 1995, 193 - 198, 10.1016/0030-4018(95)00238-4

A comparison between correlations obtained with amplitude and phase encoded scenes is presented. We demonstrate a better diffraction efficiency and a greater discrimination capability for the setup with phase encoded scenes. We report the limited intensity invariance characteristic of the new arrangement. Numerical and optical recognition results are shown.