Optical imaging of turbid media with depth-related discrimination
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United States of America Patent
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Jul 2, 2002
Grant Date -
N/A
app pub date -
Jan 21, 2000
filing date -
Jan 22, 1999
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Expired
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Abstract
The method for scanning a turbid medium involves displacing an optical signal source over a first face of the medium and a corresponding optical detector over an opposite face from one respective spatial location to another. Each spatial location is associated with a corresponding input region on the first face and a corresponding output region on the opposite second face. The optical detector in response to optical signals detected from each of the output regions generates a primary set of image data, secondary and/or tertiary image data by scanning the turbid medium using input regions and output regions of different sizes. The various sets of image data obtained may be manipulated in any manner, namely subjected to a data processing technique, so as to, for example, highlight the differences or similarities between the images.
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