OpenCV licensing - which BSD license does it fall under?

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Hello,

I have been trying to determine which BSD license OpenCV falls under. All of my searching has turned up something like the following:

OpenCV is released under a BSD license and hence it’s free for both academic and commercial use.

After looking up the definition of a BSD license, I found that there were several:

1. the original BSD license (4 clause license)
2. the New BSD License/Modified BSD License (3 clause) - verified GPL-compatible free software licenses
3. the Simplified BSD License/FreeBSD License (2 clause) - verified GPL-compatible free software licenses

I would really like to get back to the technical aspects of using OpenCV, but I have been asked a bout licensing issues.

If anyone has any information on which type of license OpenCV falls under I would really appreciate it if you could share that with me.

Thanks