1. An apparatus for taking radiographic images of a patient comprising: an imaging system having a high energy radiation source and a high energy radiation detector; a patient support system to position a patient in a predefined position with respect to the imaging system, at least one data acquisition device arranged to be used in connection with the generation of biometric data on the actual anatomy of the patient; and a control unit adapted for controlling an imaging process in dependency of the biometric data, characterized in that the at least one data acquisition device is arranged for the acquisition of multiple raw data regarding the anatomy of the patient and that the control unit is arranged for identifying specific anatomical features of the actual anatomy of the patient by processing the multiple raw data, and for determining the multiple biometric data with respect to the identified specific anatomical features.