[Digikam-devel] [digikam] [Bug 349601] digikam compile fine with OpenCV 2.X but not with 3.x

[Viktor Jancik]

https://bugs.kde.org/show_bug.cgi?id=349601

--- Comment #16 from Viktor Jancik <vjancik at redhat.com> ---
That error message gets created if the member variable m_histograms of the
class LBPHFaceRecognizer which is of type std::vector<cv::Mat> is empty.
Unless the getter/setter methods we created are not working (which they have no
reason not to) I have no idea why that vector is empty.

Could you try building and running the tests of the patched libkface?
Separately from digikam? A few of them use the train method, and should fail if
we broke it.

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