Analyze PET images with this tool. ecattime help you change the scan start and frame times in PET image or sinogram file in ECAT 6.3 or 7 format to refer to the injection time instead of the original delayed scan start time. Correction for physical decay is changed accordingly in images, but not in sinograms.
Before using this program, PET image must be decay corrected to its scan start time, but sinogram must not be corrected for decay. Please note that file may be changed, but backup file is not made.

Usage: ecattime [Options] <ECAT image or scan filename> [Time]

'Time' is either the time (min) from radiotracer injection to the PET scan start time, or, the new scan start time. If 'Time' is not entered, then program makes no changes to the data, but only displays the current scan start time and time when the collection of the first frame was started.

Options:
-h or --help
Print this message and exit.

-v, --version or --build
Print software build information and exit.

--silent
Program works silently, printing only error and warning messages.

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