The amplitude-compensated matched synthetic discriminant filter by computer-generated holography

A technique to fabricate an amplitude-compensated matched synthetic discrim inant function filter (ACMSDF) is proposed. The techniques of computer-gene rated holography (CGH) and iteration are employed. The ACMSDF is compared w ith a phase-only synthetic discriminant unction filter (POFSDF) and a conve ntional synthetic discriminant filter (SDF) to assess, the performance of t he ACMSDF. Computer simulations show that it has the best discrimination an d it is very sensitive to changes in the input images. Furthermore, it is a binary and real-valued filter.