Neural space-time model for dynamic scene recovery in multi-shot computational imaging systems
Cao, R.; Divekar, N. S.; Nunez, J.; Upadhyayula, S.; Waller, L.
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Computational imaging reconstructions from multiple measurements that are captured sequentially often suffer from motion artifacts if the scene is dynamic. We propose a neural space-time model (NSTM) that jointly estimates the scene and its motion dynamics. Hence, we can both remove motion artifacts and resolve sample dynamics. We demonstrate NSTM in three computational imaging systems: differential phase contrast microscopy, 3D structured illumination microscopy, and rolling-shutter DiffuserCam. We show that NSTM can recover subcellular motion dynamics and thus reduce the misinterpretation of living systems caused by motion artifacts.
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