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19 January 1996 Absolute and relative range measurement with a single optical system
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The optical system proposed combines together the axial motion technique (where the camera remains motionless during the experiment measuring absolute range) with the triangulation technique giving relative range with respect to a reference point. The characteristics of this optical system, such as standoff distance and range resolution, are theoretically determined. Experimental results are shown for ranges varying from 50 cm to 1.50 m with a depth resolution increasing from 1 mm to approximately 10 mm.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jacques Lewandowski and Lyne Desjardins "Absolute and relative range measurement with a single optical system", Proc. SPIE 2599, Three-Dimensional and Unconventional Imaging for Industrial Inspection and Metrology, (19 January 1996); doi: 10.1117/12.230404;

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