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The objective of this paper is to propose a robust one shot structured light pattern for real time 3D shape inspection system. To reduce the influence of inspected part reflectance property and ambient light, the pattern is constructed by using monochromatic light. The corner of the chessboard is utilized as the primitive of the pattern since it can provide highly accurate position. Additionally,...
The non-contact 3D sensing technology, though achieved many success in a variety of applications, needs an automation system to expand its applications to automotive industries for 3D shape inspection. The reason is the difficulty for an operator to find an optimal solution by the manual control of sensor viewpoints. The problem of this industrial application is the capability for the sensing system...
In this paper we introduce a new point cloud registration strategy for 3D surface inspection, named object-oriented method. Traditionally, the registration methods use a fitting based algorithm, which is a recursive process and too time consuming to do quality inspection. Moreover, the fitting based algorithms require that the measured data and the CAD model have same shapes. Photogrammetry and ICP-based...
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