Global processing of multiple luminescent images to map and/or segment them

A technical solution for imaging one or more body parts (109) of a patient (106) in medical applications is presented. A corresponding method (500) includes determining (533-536) a mapping function that maps a global range of values of a plurality of luminescent images of a body part (109) to a (common) dynamic range of a display (169). The luminescent image is mapped (539-545) by converting values of the luminescent image according to a mapping function. The resulting mapped luminescent images are then displayed (584) together on a display (169). Additionally or alternatively, the method (500) includes providing (557) at least one (common) segmentation threshold of the starting image equivalent to the luminescence image or the mapped luminescence image. The starting image is each segmented (560-569) as a function of a comparison of a value of the starting image with a segmentation threshold. A computer program (400) for implementing the method (500) and a corresponding computer program product are also propo