System and method for optical three-dimensional particle localization
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United States of America Patent
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May 5, 2015
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Jul 10, 2014
app pub date -
Jan 4, 2013
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Jan 4, 2013
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Abstract
Embodiments include methods that may be used to optically obtain the precise three-dimensional location of multiple objects from one or more two dimensional images. An optical point spread function having a transverse shape which varies with axial distance may be implemented to obtain depth information. The transverse variation in the PSF with depth may be produced using a cylindrical lens. The objects may be imaged by a focal plane array detector. One or more 2D images may be used to find the 3D location of the objects using sparse signal reconstruction methods.
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