Is SURF algorithm used in OPENCV patented?
Is SURF algorithm used in OPENCV patented? Can it be included in commercial product?
Summary:
1.SURF is not free.BRISK or FREAK is good alternative. Thanks to Notas!
2.SURF patent holder: http://www.kooaba.com/en/plans_and_pricing/ip_licensing Thanks to Steven Puttemans!
3.Only 2 nonfree module is patented: SIFT & SURF Thanks to Steven Puttemans again!
Hi, Notas & Steven, I will buy you an impressive Chinese meal when you come to Beijing! Welcome~
I will hold you to that!
Just email me the date you come. [email protected]