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Operational scenarios for single-sensor vision metrology systems in industrial measurement

The introduction of vision metrology (VM) systems into various facets of industrial measurement is slowly gaining momentum. Research and development attention is centered on multisensor stereo configurations with near real-time measurement feedback. The potential of single-sensor VM has been largely overlooked, in spite of its promise as an automated on-line high-accuracy 3D measurement tool in large-scale manufacturing. In this paper general attributes of single-sensor VM systems are discussed and two operational scenarios are outlined, one of which involves integration with traditional off-line optical triangulation systems. Example applications of single-sensor VM in the aerospace, nuclear, and automobile industries are also briefly summarized.