ecathead Calculate average TAC with this tool.
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Analyze calculator calculate analyze PET image

ecathead Description

ecathead is a small, easy to use application specially designed to help you calculate the average TAC from all pixels in a PET image or scan file in ECAT 6.3 or 7 format, and write it to a specified 'count-rate' file with mid frame times in seconds, by default. Frame start and end times are saved, if 'count-rate' file is named as '*.dft', otherwise only frame mid times; option -format overrides this. Decay correction is not changed: if image or sinogram is decay corrected, head curve will be decay corrected, and vice versa.

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