Laser speckle imaging systems and methods
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United States of America Patent
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Jan 5, 2016
Grant Date -
Jan 20, 2011
app pub date -
Jul 7, 2008
filing date -
Jul 6, 2007
priority date (Note) -
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Abstract
An apparatus and method for measuring perfusion in a tissue. The method comprising the steps of recording images of the tissue under laser light, calculating a plurality of contrast images from the plurality of images of the tissue, determining a power spectrum of scattered light from the plurality of contrast images, and determining perfusion from the power spectrum. The apparatus comprises a digital video camera, a laser light source, and a processor arranged to operate the camera to produce a plurality of images with different exposure times, receive the plurality of images from the camera and process the images to determine a power spectrum and determine perfusion from the power spectrum.
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