METHOD OF AND DEVICE FOR GENERATING DIFFERENTIAL IMAGES

摘要

The invention relates to a method of and a device for generating differential images in which the effect of fluctuations of the X-ray pulse or the gain of the images intensifier/image pick-up tube network on the differential image is eliminated. To this end, the peak value is determined for each X-ray image in order to be stored in a fixed location in a memory. The difference between the logarithms of the peak values is added to the differential image, so that said fluctuations are compensated for.