ecatthrs is a tiny threshold for ECAT image file. ecatthrs offer you threshold for ECAT image file.

Usage:
ecatthrs <img file> <lower threshold %> <upper threshold %> <thresholded img file> [cutoff file]

Options:
-N=<nr of frames>
Nr of frames from the end that are included in thresholding; by default, all frames are included
-h or --help
Print this message and exit.
--version or --build
Print software build information and exit.
--silent
Program works silently, printing only error and warning messages.
--verbose
Program prints more information about what it is doing.

The license of this software is Freeware, you can free download and free use this calculator software.