[1] Casasent D.Correlation synthetic discriminant function[J].Applied Optics, 1986, 25(14):2343-2350.
[2] Kumar B V.Tutorial survey of composite filter designs for optical correlators[J].Applied Optics, 1992,31(23):4773-4800.
[4] Abhijit Mahalanobis, B Vijaya Kumar, David Casasent. Minimum average correlation energy filters [J].Applied Optics, 1987, 26(17):3633-3640.