Affine(and other) parameters of some blob features are solved in closed-form. The Matlab toolboxes are based on a SIFT toolbox and some codes of "affintpoints".

Laplacian of Gaussian

Formulas: LoG.nb

matlab toolbox: LoG_affine.rar

Determinant of Hessian

Formulas: DoH.nb

matlab toolbox: DoH_affine.rar

驴儿奖(Lurr Prize)

The Lurr Prize will offer 1 fen award for methods producing more matches than the following, which is a new invented feature.We will send you the money if the result is correct. Your submission will be carefully reviewed by experts. Whenever accepted, your submission will be announced online. Good luck!
organization committee:

4440 matches between graf/img1.ppm and graf/img2.ppm !

Created 11/11/11
Last Modified 05/7/12 01:55
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