Error using haarcascade_profileface.xml

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Hallo,

I am trying to write a program that detects faces. I am currently using haarcascades to detect faces (haarcascade_frontalface_default.xml), this works fine if I am only trying to find frontal faces. But I also need to find faces in profil (just one eye visible). This is the reason why I wanted to try haarcascade_profileface.xml. I am programming in C#.

Every time I try to debug the code I receive an error message:

Error of type "Emgu.CV.Util.CvException" has occurred in Emgu.CV.dll OpenCV: The node does not represent a user object (unknown type?) Can you help me?

Thanks, B