In this paper, we propose an approach for designing and developing high-precision integrative systems for strip flatness detection. Algorithms are developed for camera calibration, which are more accurate than the general method calculating all the camera parameters. On the basis of this method, a detection system is developed including an integrative device for easy calculation and repeated usage. On-site experiment results confirm that the proposed method works well under hostile environmental conditions in mills. (C) 2015 Optical Society of America
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