face detection issue

asked 2018-05-19 00:49:40 -0600

lqsun gravatar image

Hi,

When I use cv2.CascadeClassifier.detectMultiScale, I find that no face is detected in the original photo, but one face is detected in the flipped one.

image description image description

OpenCV version 3.3.0 with a Python interface. All parameters used default values with the pre-trained classifiers configuration file (https://github.com/opencv/opencv/blob...)

Is this an issue? What is the reason behind it?

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