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CAD-based inspection using X-ray stereo

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6 Author(s)
Noble, A. ; GE Corp. Res. & Dev., Schenectady, NY, USA ; Gupta, R. ; Mundy, J. ; Schmitz, A.
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An important challenge in industrial metrology is to provide rapid measurement of critical 3D internal object geometry for either inspecting high volume parts or controlling a machining process. Existing metrological techniques are typically too slow to meet this need or can not measure small features with high precision. In this paper, we present an X-ray stereo system which aims to achieve fast 3D geometry measurement from a few X-ray views of a part. We describe the key algorithms in our system and a novel application of it to CAD-based verification of drilled hole positioning. Experimental results are given to illustrate the accuracy of the current system and inspection on a real part

Published in:

Robotics and Automation, 1995. Proceedings., 1995 IEEE International Conference on  (Volume:3 )

Date of Conference:

21-27 May 1995