Time-coded aperture for x-ray imaging
Changing conditions and relative motion of an experiment’s components during a single exposure causes motion blur for X-ray imaging techniques. In this letter, we describe a computational imaging system, where image capture and post-processing are co-designed to improve final image quality. The idea is based on temporally encoding the motion by fluttering the detector shutter open and closed with a binary pseudo-random sequence for guaranteeing an invertible motion blur. This work is especially relevant to high-speed X-ray imaging applications where time-resolution is limited by the detector and/or available photon flux.
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