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旋滤波方法在条纹图的处理中得到了比较广泛地应用,为了使其在噪声比较强的时候也能获得好的效果,在其方法中加入了低通滤波,以此来改善方位图,从而改善旋滤波的滤波效果。并且利用零阶开环高斯滤波算法,对低通滤波图像的边缘进行了修正。实验结果表明,改进后的方法能得到更好的条纹方位图,从而提高旋滤波的处理精度。
The spin-filtering method has been widely used in the processing of fringe patterns. In order to obtain good results when the noise is relatively strong, low-pass filtering is added to the method to improve the azimuth map Improve the filter effect of the spin filter. And the zero-order open-loop Gaussian filter algorithm is used to correct the low-pass filtered image edge. Experimental results show that the improved method can get better fringe pattern and improve the processing accuracy of the filter.