Method and apparatus for eye imaging with position registration and constant pupil size
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United States of America Patent
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May 27, 2008
Grant Date -
N/A
app pub date -
Aug 13, 2004
filing date -
Aug 13, 2004
priority date (Note) -
Expired
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Abstract
A method for capturing an image of an eye having an iris, including the steps of determining a plurality of measurement origins in the image; detecting an edge of the iris; determining a distance from each measurement origin to the edge of the iris; and, outputting a final image when each of the determined distances is equal to respective one of a plurality of predetermined lengths. A computer-readable medium containing computer-executable instructions for causing a computer to perform the above-described method is also described. An apparatus having an image sensor and a processor for performing the method is also described.
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