Applying the log-normal distribution to target detection

Gerald C. Holst

doi:10.1117/12.137952

16 September 1992 Applying the log-normal distribution to target detection

Gerald C. Holst

Proceedings Volume 1689, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing III; (1992) https://doi.org/10.1117/12.137952
Event: Aerospace Sensing, 1992, Orlando, FL, United States

Abstract

Holst and Pickard experimentally determined that MRT responses tend to follow a log-normal distribution. The log normal distribution appeared reasonable because nearly all visual psychological data is plotted on a logarithmic scale. It has the additional advantage that it is bounded to positive values; an important consideration since probability of detection is often plotted in linear coordinates. Review of published data suggests that the log-normal distribution may have universal applicability. Specifically, the log-normal distribution obtained from MRT tests appears to fit the target transfer function and the probability of detection of rectangular targets.

Citation Download Citation

Gerald C. Holst "Applying the log-normal distribution to target detection", Proc. SPIE 1689, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing III, (16 September 1992); https://doi.org/10.1117/12.137952

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