Auto-Focus Methods and Systems for Multi-Spectral Imaging
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United States of America Patent
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Dec 22, 2016
app pub date -
Jul 15, 2014
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Jul 18, 2013
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Abstract
Techniques for acquiring focused images of a microscope slide are disclosed. During a calibration phase, a “base” focal plane is determined using non-synthetic and/or synthetic auto-focus techniques. Furthermore, offset planes are determined for color channels (or filter bands) and used to generate an auto-focus model. During subsequent scans, the auto-focus model can be used to quickly estimate the focal plane of interest for each color channel (or filter band) rather than re-employing the non-synthetic and/or synthetic auto-focus techniques.
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