Infrared Target Acquisition Using An Adaptive Difference-Of-Boxes Filter

Rami Guissin

doi:10.1117/12.978581

8 January 1990 Infrared Target Acquisition Using An Adaptive Difference-Of-Boxes Filter

Rami Guissin

Proceedings Volume 1157, Infrared Technology XV; (1990) https://doi.org/10.1117/12.978581
Event: 33rd Annual Technical Symposium, 1989, San Diego, United States

Abstract

A variety of spatial filters have been previously proposed as detection filters for automated target acquisition. One class of filters, namely the matched filter, is designed for maximimum signal to noise response at true target locations. The filter design is a function of target dimensions and intensity distributions, and of the corresponding background spectrum. The filter sensitivity to target dimensions may be overcome by adapting the filter's dimensions to the incoming image signal, or by the economical use of (at least) two filters, designed separately for small and large targets. The robustness of the Difference-of-Boxes (DOB) filter is established for a class of targets having smooth, 2nd order intensity distributions, in the presence of both white noise and cluttered backgrounds.

Citation Download Citation

Rami Guissin "Infrared Target Acquisition Using An Adaptive Difference-Of-Boxes Filter", Proc. SPIE 1157, Infrared Technology XV, (8 January 1990); https://doi.org/10.1117/12.978581

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