FIELD: physics.
SUBSTANCE: device comprises a ray tracing unit (44), which comprises a digital processor which performs projection for a detector (14), having an offset-varying blur, by calculating increments of rays between planes (P0, P1, P2, …, PN), parallel to the front side (42) of the detector, calculating stationary increments of blur grains, stepwise summation of increments of rays, correcting projections on the offset-varying blur; an iterative image reconstruction unit (30), which generates a reconstructed image from projection data.
EFFECT: compensating for image blur during image reconstruction.
15 cl, 5 dwg
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