Design of corner detection used for calibration of x-ray device

摘要

This paper proposed a set of proactical method for corner detection used for X-ray device calibration. Based on the square steel pattern, the original image is first semented into several small squares, then edge detection is operated to each small square, after this, Hough transform is used to line approximation and corss proints of lines are solved, these cross points are just the corner needed. The experimental results show the proposed method is feasible and robust.