Abstract

Matched filters have been made using the standard VanderLugt technique and are addressed using an acoustooptic beam deflector to manipulate the Fourier transform of the coherent input scene with good correlation signals resulting. It may be possible to use this method to address large arrays of matched filters at high scan rates; thus providing a large optical memory which is necessary for absolute object recognition and discrimination.

© 1985 Optical Society of America

Acoustooptically made and addressed Fourier transform matched filters

James F. Hawk and Don A. Gregory
Appl. Opt. 25(3) 331-333 (1986)

Acoustooptic matched filter correlator

David Casasent, Giora Silbershatz, and B. V. K. Vijaya Kumar
Appl. Opt. 21(13) 2356-2364 (1982)

Large Time-Bandwidth Product Acoustooptic Correlator and Its Use in a Cascade Design Matched Filter

W. E. Maher and G. Roome
Appl. Opt. 13(6) 1342-1344 (1974)

Shift and scale-invariant anamorphic Fourier correlator using multiple circular harmonic filters

Tomasz Szoplik and Henri H. Arsenault
Appl. Opt. 24(19) 3179-3183 (1985)

Matched filter spectrum shaping for light efficiency

Harold H. Szu
Appl. Opt. 24(10) 1426-1431 (1985)