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This paper presents a calibration method to align the coordinate system of each camera together in a multi-camera-projector system using a flat surface object. The method identifies the geometric relationship between each camera’s coordinate system with the physical feature points from the 3D model of the calibration target sharing the minimum absolute bi-directional phase difference. Experimental results shows that pixel-level accuracy of 3D model alignment can be achieved.
Yuchen Yang andSong Zhang
"Camera coordinate alignment in multi-camera-projector structured light system", Proc. SPIE 12524, Dimensional Optical Metrology and Inspection for Practical Applications XII
, 125240I (15 June 2023); https://doi.org/10.1117/12.2666653
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Yuchen Yang, Song Zhang, "Camera coordinate alignment in multi-camera-projector structured light system," Proc. SPIE 12524, Dimensional Optical Metrology and Inspection for Practical Applications XII
, 125240I (15 June 2023); https://doi.org/10.1117/12.2666653