1. An imaging apparatus for generating an image of a region of interest, the imaging apparatus comprising: a radiation source ( 2 ) for generating radiation ( 4 ) for traversing the region of interest, a detection unit ( 6 ) for generating detection data, which depend on the radiation ( 4 ) after having traversed the region of interest, a moving unit ( 1 , 7 , 8 ) for moving the radiation source and the region of interest relative to each other, while the detection data are generated, an identification unit ( 13 ) for identifying in the detection data high density detection data, which depend on radiation ( 24 ; 30 ), which has traversed a high density region ( 22 ) having a density larger than a predefined density, and for identifying non-high density detection data, which depend on radiation ( 25 ; 29 ), which has not traversed the high density region ( 22 ), a density weighting unit ( 14 ) for density weighting the detection data, wherein at least a part of the high density detection data has a smaller density weight (w hd ) than the non-high density detection data, a reconstruction unit ( 15 ) for reconstructing an image of the region of interest from the weighted detection data.