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See answer on question 91808

cv2.cv.CV_DIST_L2 with older OpenCV installations such as 2.4.8

See also older question 30689 that was never answered

I'm using version 2.4.8 that it is installed as part of the ROS Jade distribution.

I am trying to follow the image segmentation demo, and get the following error. dist_transform = cv2.distanceTransform(opening, cv2.DIST_L2, 5) AttributeError: 'module' object has no attribute 'DIST_L2'

I used

for key in cv2.__dict__.keys():
    print key

and DIST_L2 was not there. I tried substituting NORM_L2 but that failed to give an output.

I see same issue with OpenCV version 2.4.8 distributed with ROS Jade.

Did you find a solution?