image processing - Is SIFT invariant to color distribution,skewness and shearness? -


i wanted know whether sift invariant color distribution,skewness , shearness.i wanted match feature vectors of 2 images , detect whether similiar or not.

"basic" sift done in grayscale, , not, affine-invariant (beyond scale, rotation , translation invariance).
asift affine invariant invariant skew , shear.


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