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Proceedings Paper

Color 3-D electronic imaging of the surface of the human body
Author(s): Marc Rioux
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Paper Abstract

The NRC laboratories have developed a laser scanning technique to digitize shapes and colors in registration. The technique, known as synchronized scanning, is capable of digitizing topography as small as the relief of a bare finger tip, showing a clear picture of the skin structure (essentially a clean fingerprint without distortion), as well as the shape and size of body components such as hands, face, and feet, and the full body of one or more subjects simultaneously. The laser scanner uses a RGB laser, coupled to an optical fiber, which is projected in the field of view. The 3D color measurements are made by optical triangulation to a resolution of 10 micrometers for finger tip scans and a resolution of 1 mm for whole body scans. Experimental results are presented and discussed. Potential applications of this technology in the field of identification and inspection of humans include face recognition, finger, foot and teeth print identification, and 3D mugshots that can be rapidly broadcast through satellite communication. One of the unique properties of this technology is that absolute measurements, not only appearance and relative position of features, can be used for identification purposes.

Paper Details

Date Published: 25 October 1994
PDF: 13 pages
Proc. SPIE 2277, Automatic Systems for the Identification and Inspection of Humans, (25 October 1994); doi: 10.1117/12.191892
Show Author Affiliations
Marc Rioux, National Research Council Canada (Canada)

Published in SPIE Proceedings Vol. 2277:
Automatic Systems for the Identification and Inspection of Humans
Richard J. Mammone; J. David Murley Jr., Editor(s)

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