Patent ID: 8005285

Claim:
An image processing apparatus, comprising: an evaluation unit configured to generate a 3D data record from a plurality of 2D data records, the 3D data record representing at least a portion of an object in three dimensions, and the 2D data records respectively representing a result of a detection of the object by projection through the object onto a detection plane in two dimensions, wherein, to generate the 3D data record from the plurality of 2D data records, the evaluation unit is further configured to allocate a no object value to at least one area of the 3D data record by which no object is represented, allocate a changed object value to at least one area of the 3D data record by which an object location is represented by the object value, wherein, to allocate the changed object value, the evaluation unit is configured to iteratively generate the changed object value as a result of a predetermined assignment rule, the changed object value being generated as a function of the object value representing an object location, generate virtual 2D data records from the 3D data record, the virtual 2D data records representing a projection of the object represented by the 3D data record, calculate, in a pixelwise manner, a difference between the virtual 2D records and corresponding 2D data records to generate difference 2D data records representing the calculated difference, generate, using back projection of the difference 2D data records, a difference 3D data record representing a difference object, and add the difference 3D data record to the 3D data record, the 3D data record being formed a plurality of voxel object points representing the object generated from 2D data records.