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Optical Engineering

Nonzero-order joint transform correlator
Author(s): Chun-Te Li; Shizhuo Yin; Francis T. S. Yu
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Paper Abstract

A simple method of removing the zero order in a joint transform power spectrum, i.e., using the nonzero-order joint transform power spectrum (N0JTPS), is discussed. We show that the nonzero-order joint transform correlator (N0JTC) performs better than the conventional joint transform correlator (CJTC). In short, the N0JTC offers high detection efficiency, better input pixel utilization, and avoidance of false alarms due to multitarget intermodulation. Simulated and experimental demonstrations are provided.

Paper Details

Date Published: 1 January 1998
PDF: 8 pages
Opt. Eng. 37(1) doi: 10.1117/1.601856
Published in: Optical Engineering Volume 37, Issue 1
Show Author Affiliations
Chun-Te Li, The Pennsylvania State Univ. (United States)
Shizhuo Yin, The Pennsylvania State Univ. (United States)
Francis T. S. Yu, The Pennsylvania State Univ. (United States)

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