Analyze 3D/4D PET images with this tool. imgbox help you extract a box-like volume of 3D/4D PET image. Note that no backup is made of any previous output file.
Usage: imgbox <Image file> [<Volume definition file> <Output image file>]

Options:
-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 lots of information about what it is doing.

Volume definition file is an ASCII text file, which containts pixel coordinates (x y z; 1..dimension) of the two opposite corners of the extracted image volume, for example:
corner1 := 63 57 26
corner2 := 84 71 44
If only input image filename is given, then program prints the image dimensions.

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