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2012-11-27 12:35:41 -0500 commented answer Cascade Classifier in commercial app

Thanks. So all other algorithms (except those from non-free module) are free to use in academic and commercial applications? So the library itself is not whole BSD licensed?

I would like to use Haar Feature-based Cascade Classifier in my application as a base for other transformations. Those pre-trained files distributed with OpenCV work good for me, and I don't want to "reinvent the wheel" if I could just use them.

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2012-11-24 07:56:43 -0500 asked a question Cascade Classifier in commercial app


I have a question regarding "Haar Feature-based Cascade Classifier for Object Detection". Is it possible to use CascadeClassifier class in closed code and commercial project (e.g. CascadeClassifier::detectMultiScale function), including haarcascade_*.xml files distributed with OpenCV? Is it free for commercial use? I mean, no patent restrictions, etc.? This is not clearly explained anywhere. Please, give some feedback on that issue.

Thanks in advance!