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Improving the resolution of microscope by deconvolution after dense scan

07/06/2019
by   Yaohua Xie, et al.
0

Super-resolution microscopes (such as STED) illuminate samples with a tiny spot, and achieve very high resolution. But structures smaller than the spot cannot be resolved in this way. Therefore, we propose a technique to solve this problem. It is termed "Deconvolution after Dense Scan (DADS)". First, a preprocessing stage is introduced to eliminate the optical uncertainty of the peripheral areas around the sample's ROI (Region of Interest). Then, the ROI is scanned densely together with its peripheral areas. Finally, the high resolution image is recovered by deconvolution. The proposed technique does not need to modify the apparatus much, and is mainly performed by algorithm. Simulation experiments show that the technique can further improve the resolution of super-resolution microscopes.

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