Abstract:Abstract-A radial 3D, structured light scanner, was developed from a laser projector and a wide field of view machine vision camera to inspect two -four inch diameter pipers, primarily in the nuclear industry. For identifying the nature and the spatial extent of defective regions, the system constructs a surface point cloud.A dominant source of error in the system is caused by manufacturing tolerances which leads to misalignment between the laser projector and the camera. This causes a triangulation error, red… Show more
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