This Sift(Scale invariant feature transform) tutorial file. source cord was made based on matlab.-This is Sift(Scale invariant feature transform) tutorial file. source cord was made based on matlab.

SIFT算法，尺度不变特征变换，David G. Lowe教授原版。MATLAB和C混合编程。-SIFT algorithm, scale invariant feature transform, Professor David G. Lowe original. MATLAB and C mixed programming.