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6 January 1994 Three-dimensional robotic vision with a diffractive optic
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Proceedings Volume 2348, Imaging and Illumination for Metrology and Inspection; (1994) https://doi.org/10.1117/12.198852
Event: Photonics for Industrial Applications, 1994, Boston, MA, United States
Abstract
A robotic vision system design for industrial inspection is proposed. It implements a 2D color CCD camera with a modified focusing lens. A diffractive optic element (DOE) is etched into a small, off axis, region of the lens. A similar region of the detector is dedicated to the DOE image. This image, after some processing provides the third dimension. The output information includes a standard 2D image, the distance to a component under test and if the object is in motion, the direction and velocity towards or away from the detector plane. This system can be designed to operate at visible or infrared wavelengths for a variety of inspection applications.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Denise M. Lyons "Three-dimensional robotic vision with a diffractive optic", Proc. SPIE 2348, Imaging and Illumination for Metrology and Inspection, (6 January 1994); https://doi.org/10.1117/12.198852
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