with min_neighbours to 2 and output reject levels to true the detectMultiScale doesn't seem to return any faces. Left it running for 20 min and it never finished.
However, if I change min_neighbours to 0 then it will return a crazy amount of faces, I let it run till 150000 but I stopped it at that point.
I read only that a bug was found relating to this? Not sure if it got fixed or if I'm doing something wrong? I have the latest opencv source compiled 3.1.
On a slightly separate note, the reason for me wanting to use the override is so that I can try and find the best image out of multiple images.
Extra Details:
Windows 10 x64
Opencv 3.1 x64 dlls.
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