19 April 2017 Advanced hyperspectral imaging system with edge enhancement
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We developed an acousto-optic hyperspectral imaging system with edge enhancement capability. The system is an add-on to a standard light microscope. Edge enhancement operation mode is aimed for analysis of low-contrast microscopic samples, e.g. unstained cytological smears and histological samples, live cells. Edge-enhancement imaging mode is based on a feature of acousto-optic tunable filters to perform band-pass spatial filtering when unturned from noncritical phase matching geometry is diffraction. Switching between standard hyperspectral imaging and edge-enhancement modes is performed by means of a telecentric amplitude mask.
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K. B. Yushkov, V. Ya. Molchanov, "Advanced hyperspectral imaging system with edge enhancement", Proc. SPIE 10132, Medical Imaging 2017: Physics of Medical Imaging, 101325H (19 April 2017); doi: 10.1117/12.2254401; https://doi.org/10.1117/12.2254401

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