Plateau equalization algorithm for real‐time display of high‐quality infrared imagery

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Abstract
The plateau equalization algorithm for display of IR images is defined to include histogram equalization and histogram projection as special cases. A maximum gain parameter is defined and surveyed for a large number of images, determining the useful range of plateau values. Analysis of hardware experience with histogram projection explains why it produces intensity jitter in very low contrast scenes. Detailed flow charts for hardware implementation of plateau equalization are provided. © 1996 Society of Photo−Optical Instrumentation Engineers.