A device and a method of this type with scattering correction are known from U.S. Pat. No. 5,666,391 A. The known device and the known method allow x-ray scatter to be corrected within the framework of computer tomography.
Computer Tomography (=CT) is a well-known method with which the three-dimensional reconstruction of the tissue density distribution, or to put it more precisely of the linear coefficient of attenuation of x-rays, of the inside of the body is possible with high spatial resolution and great quantitative accuracy of density resolution. The spatial resolution is typically <=1 mm and the density resolution typically amounts to a few Hounsfield Units (1 HU= 1/1000 of the density of water).
With two-dimensional detectors with a typical size of around 40 cm×40 cm such as for example x-ray image amplifiers or Flat-Panel Detectors (=FPD), It is possible, with just a single half rotation, which extends over more than 180 degrees and the cone angle, to record and to reconstruct an image of a large volume area, (=Conebeam CT=CBCT).