Rob Hess Linux下的SIFT提取源码，金字塔采样和高斯差分提取特征点，KD树搜索寻找同名点，RANSAC去粗差,Rob Hess Linux source code under the SIFT extraction, sampling and Gaussian pyramid differential extraction of feature points, KD tree search to find the same name, points, RANSAC to gross

SIFT算法是一种提取局部特征的算法，在尺度空间寻找极值点，提取位置，尺度，旋转不变量。-sift of

linux 环境下sift角点检测，基于sift提取特征点。-sift extractor

opecv与vc6.0结合时候基于sift算法的特征提取-opecv, and vc6.0 combination of time to sift algorithm-based characteristics extraction