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Using Target Variance for Optimum Zoom Setting in ATR

M. Mirmehdi, P.L. Palmer, J. Kittler, Using Target Variance for Optimum Zoom Setting in ATR. IEE Electronic Letters, 33 (6). ISSN 0013-5194, pp. 479–480. March 1997. No electronic version available.

Abstract

This Letter describes a technique for determining the best magnification to zoom in onto a target object while it is still at a long range. The zoom process is modelled on the expected signal from the object and the background. The variance in a region of interest is shown to be an SNR indicator for the optimal zoom.

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