Abstract

We describe the use of an automated co-ordinate measurement machine (CMM) directly or in concert with a three-axis robot arm to map the distortion of a 3D structured light scanner's field of view. This enables us to compare the claimed accuracy and resolution of different structured light scanners. In addition, we can also use the distortion mapping to generate a correction mechanism to improve the performance of the scanner. We present the results of experiments obtained using this novel approach on three commercially available 3D scanners.

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