A system for automatic acquisition of three-dimensional data

Authors:
Henry Fuchs;Joe Duran;Brian Johnson
Affiliations:
The University of Texas at Dallas, Richardson, Texas;The University of Texas at Dallas, Richardson, Texas;The University of Texas at Dallas, Richardson, Texas
Venue:
AFIPS '77 Proceedings of the June 13-16, 1977, national computer conference
Year:
1977

Citing 3
Cited 0

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AFIPS '74 Proceedings of the May 6-10, 1974, national computer conference and exposition

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Abstract

This paper presents the design of a three-dimensional data acquisition system based on multiple, single-dimensional optical sensors. The system can operate in any of three modes: (1) the tracking of multiple, independent, point light sources (2) the automatic digitization of opaque surfaces (3) the real-time tracking of an unmarked moving object (e.g., tip of user's hand). The design offers such advantages as a lensless sensing system, a minimum reliance on analog measurements, an ease of upgrading to higher precision measurements, an ease of portability, an adjustable field of view, and the ability to operate under normal ambient light conditions. A network of microprocessors is incorporated to minimize processing delays and thus increase data acquisition rates. In its initial application the system will digitize the cranio-facial surfaces of candidates for reconstructive surgery.