Aiming at the fast automatic NDT problem of correctness of product surface, in order to obtain image sequences, a method using vertical projection to determine the rotation is proposed, and the SURF algorithm which includes improved rotating invariance for scale(SIFT)is applied. The algorithm greatly increases the speed of feature point detection by calculating the integral image and Hessian matrix, and saves the image matching time and improves the real-time performance. Firstly, the standard sequence was ...
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