Method and apparatus for aligning and comparing images of the face and body from different imagers
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United States of America Patent
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Dec 17, 2002
Grant Date -
N/A
app pub date -
Oct 21, 1999
filing date -
Oct 22, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and apparatus for comparing an infrared image of a person to a database of visual images of persons and calculating the probability that each is a match to the infrared image is characterized by extracting minutiae from the infrared image and extracting visible minutiae from the visible images. Coincident minutiae which occur in both spectra are used to scale and register the infrared and the visible images. Other minutiae are spectrum-dependent, but must obey rules relative to minutiae of the other spectrum, due to the anatomical structure of the human face and body. The primary application is for identification of persons seen in infrared surveillance imagery, using a reference database of visual images. Other applications include compression of talking head video and animation of synthetic faces. The method and apparatus can also be applied to areas of the body other than the face, to compare images from different spectra including images from medical sensors.
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Family
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