IEEE Transactions on Computational Imaging
News
10 Oct 2023
To extend the depth of field in mask-based lensless cameras, researchers from Osaka University replaced conventionally coded masks with a radial-coded mask optimized to balance the frequency response. As a result, the point spread function depends less on distance, and subjects at various depths can be clearly imaged. Experiments in simulation and on a prototype show that the depth of field of the camera is extended when the proposed radial mask is used.
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