Accession Number:

ADA339152

Title:

Optical Wavelet Transform

Descriptive Note:

Final technical rept. Jul 96-Jul 97

Corporate Author:

FLORIDA INST OF TECH MELBOURNE

Personal Author(s):

Report Date:

1997-10-01

Pagination or Media Count:

27.0

Abstract:

We described a joint transform correlator JTC that used multiple input images encoded in the spatial domain. This allowed various combinations of cross correlations between input images to be performed. We extended the theory of a JTC to multiple inputs, and provided experimental results for four inputs with an optically-addressed spatial light modulator in the Fourier plane. We proposed a system to perform multiwavelet feature extraction. For multiwavelet scales, the output consisted of 4m-1 correlation results, one of which is the desired result. Using conventional optics, the space and bandwidth product for wavelet feature extraction can be made the same as for a two input joint-transform correlator.

Subject Categories:

  • Electrooptical and Optoelectronic Devices

Distribution Statement:

APPROVED FOR PUBLIC RELEASE