sift算法由 David Lowe 在1999年所发表，2004年完善总结。该压缩文件包括他的经典论文，附带一篇中文翻译但不太准确，仅供参考。其对应开源代码已上传本网站并调通。

Packet : sift.rar filelist
Distinctive_image_features_from_scale-invariant_keypoints.pdf
Distinctive Image Features Scale-Invariant Keypoints.doc

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