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denseSift.rar
extract dense sift for each image patch, because no salient keypoint detection and rotation normalization, it is very efficient.
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siftdemo.rar
改程序采用C语言编写SIFT算法,包含完整的从图像高斯金字塔、DOG、空间极值点提取、关键点描述、KDtree匹配等关键步骤的全部函数实现,对全面深入理解Lowe的SIFT算法有莫大帮助。
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motion.zip
This package used to detect the sift feature and track the people
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