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Universal adaptive optics for microscopy through embedded neural network control

Light(Science & Applications) 2023年第12期12卷 2597-2609页

作者： Qi Hu Martin Hailstone Jingyu Wang Matthew Wincott Danail Stoychev Huriye Atilgan Dalia Gala tai chaiamarit Richard M.Parton Jacopo Antonello Adam M.Packer Ilan Davis Martin J.Booth Department of Engineering Science University of OxfordOxfordUK Department of Biochemistry University of OxfordOxfordUK Department of Physiology Anatomyand GeneticsUniversity of OxfordOxfordUK

The resolution and contrast of microscope imaging is often affected by aberrations introduced by imperfect optical systems and inhomogeneous refractive structures in *** optics(AO)compensates these aberrations and restores diffraction limited performance.A wide range of AO solutions have been introduced,often tailored to a specific microscope type or *** now,a universal AO solution-one that can be readily transferred between microscope modalities-has not been *** propose versatile and fast aberration correction using a physics-based machine learning assisted wavefront-sensorless AO control(MLAO)*** previous ML methods,we used a specially constructed neural network(NN)architecture,designed using physical understanding of the general microscope image formation,that was embedded in the control loop of different microscope *** approach means that not only is the resulting NN orders of magnitude simpler than previous NN methods,but the concept is translatable across microscope *** demonstrated the method on a two-photon,a three-photon and a widefield three-dimensional(3D)structured illumination *** showed that the method outperformed commonly-used modal-based sensorless AO *** also showed that our ML-based method was robust in a range of challenging imaging conditions,such as 3D sample structures,specimen motion,low signal to noise ratio and activity-induced fluorescence ***,as the bespoke architecture encapsulated physical understanding of the imaging process,the internal NN configuration was no-longer a"black box",but provided physical insights on internal workings,which could influence future designs.

关键词： optics illumination correction

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