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2
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SIFT: reusing some claims and replacing others by strictly different nonpatented methods?

SIFT is a patented method that does both feature detection and description (US6711293 - http://www.google.com/patents/us6711293). The method consists of roughly of three points (please let me know if ...
3
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2answers
898 views

Is SIFT algorithm patent valid in Europe?

I want to use the SIFT algorithm for my scientific research (in EU, concretely SP), but it may end in a commercial software. I've searched the internet and what I found is that the patent is only in ...