Method and computer tomography system for generating tomographic image datasets

A computed tomography system, comprising:

• at least two simultaneously operable sets of detector elements for simultaneous scanning of an object under examination from a multiplicity of projection angles, at least one first set of integrating detector elements being designed for integrating radiation measurement and at least one second set of counting detector elements being designed to resolve an incident radiation spectrum into at least two energy bins;
• and
• a computer system for evaluation of measurement results of the detector elements with a memory including computer programs contained therein, at least one computer program, when executed, performing
• measuring, via at least one first set of integrating detector elements, incident radiation over an entire energy spectrum of the incident radiation in an integrating manner;
• measuring, via at least one second set of counting detector elements, incident radiation in at least two energy ranges in a resolving manner;
• correcting, by way of the integrating measurements of the at least one first set of integrating detector elements, the energy-resolving measurements of the at least one second set of counting detector elements relating to rays traversing a measurement object in a spatially identical manner;
• and
• reconstructing at least one tomographic image dataset of the measurement object at least from the corrected energy-resolving measurements of the second set of counting detector elements.