Method for improving the accuracy of data obtained in a laser imaging apparatus
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United States of America Patent
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Jan 20, 2004
Grant Date -
Sep 18, 2003
app pub date -
Mar 14, 2002
filing date -
Mar 14, 2002
priority date (Note) -
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Abstract
A method for collecting data for use in image reconstruction of an object being scanned, comprises providing a plurality of detectors disposed in an arc around the object being scanned to detect light passing through the object; impinging a laser beam at a point on the object; integrating the output of each detector at a number of successive time intervals, each time interval being longer than the previous time interval; digitizing the integrated output from each time interval; successively digitizing multiple times the integrated output from the longest time interval and averaging the results; orbiting the detectors and laser beam to another point on a circle; and repeating the above steps until a complete circle has been traversed.
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