实践表明，该算法既能准确提取边界形状的特征关键点，又保证了重构后曲面的光滑规整。
It is proved this algorithm can not only extract the key points which can represent border shape, but also guarantee the reconstructed model have smooth surfaces.
实验表明，在SIFT中引入分数阶微积分的应用，能够得到更多的特征关键点，提高图像匹配的正确性。
Compared with the original SIFT, the simulation results show that the proposed algorithm can detect more key points, and improves the accuracy of image matching.
我将以强调两点特征开始会话，自我觉得对于帮助老师们在教室里开始使用wiki很关键的两点：1 .免费，2 .简单。
I'll start the conversation by highlighting two features that I feel are key to helping teachers get started with using wikis in their classrooms: 1 the cost of 'free' 2 simplicity.
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