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2013-08-06 03:06:36 -0600 commented question Is SURF algorithm used in OPENCV patented?

Just email me the date you come. [email protected]

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2013-08-06 01:58:41 -0600 commented answer Is SURF algorithm used in OPENCV patented?

http://docs.opencv.org/modules/nonfree/doc/nonfree.html Is this the answer to my 2nd question? Only 2 non-free modules in OpenCV?

2013-08-06 01:41:57 -0600 commented answer Is SURF algorithm used in OPENCV patented?

Thank you very much! Would you please help on the following 2 questions: 1) Is there a list for me to contact with patent holders involved in OpenCV? 2) How can I identify free & non-free module?

2013-08-06 00:18:08 -0600 asked a question 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~