Cannot run opencv samples in python

opencv-samples

asked 2013-07-24 08:25:18 -0600

updated 2013-07-24 09:51:56 -0600

berak
32993 ●7 ●81 ●312

i am using opencv 2.4.6,ubuntu 12.04 and also using python 2.7

When i try to run sample programs in python,some of them is showing errors $python peopledetect.py Traceback (most recent call last): File "peopledetect.py", line 17, in <module> print "cannot read " + sys.argv[1] IndexError: list index out of range

Please help me!!!

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answered 2013-07-24 09:50:43 -0600

berak
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you're expected to supply the image-path on the cmdline.

$python peopledetect.py image-with-some-ppl.png

also, please use the cv2 api ( and the samples from the python2 folder ), the old api will go away soon.

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Thanks for your reply.But when i run: python facedetect.py Picture\ 013.jpg Traceback (most recent call last): File "facedetect.py", line 63, in <module> cascade = cv.Load(options.cascade) TypeError: OpenCV returned NULL