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ImportError: cannot import name cv

asked 2016-04-19 01:28:09 -0600

I'm using ubuntu 15.10 and opencv-3.1.0. When I tried to run a python code I'm getting the following error

ImportError: cannot import name cv

The same code was running fine with another ubuntu machine and opencv

Don't know whats the problem Someone kindly help

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answered 2016-04-19 01:30:24 -0600

berak gravatar image

the cv module is the old c-based python wrapper. opencv moved away from that years ago, and it was removed in opencv3

please use cv2, and port your code.

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Thanks for your reply.

I tried that and now I'm getting the following errors:

libv4l2: error setting pixformat: Device or resource busy VIDEOIO ERROR: libv4l unable to ioctl S_FMT libv4l2: error setting pixformat: Device or resource busy libv4l1: error setting pixformat: Device or resource busy VIDEOIO ERROR: libv4l unable to ioctl VIDIOCSPICT

OpenCV Error: Assertion failed (scn == 3 || scn == 4) in ipp_cvtColor, file /home/subhajit/opencv-3.1.0/modules/imgproc/src/color.cpp, line 7456 Traceback (most recent call last): File "HoughCircles.py", line 76, in <module> imgGray = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY) cv2.error: /home/subhajit/opencv-3.1.0/modules/imgproc/src/color.cpp:7456: error: (-215) scn == 3 || scn == 4 in function ipp_cvtColor

Subhajit Biswas gravatar imageSubhajit Biswas ( 2016-04-19 01:36:02 -0600 )edit

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Asked: 2016-04-19 01:28:09 -0600

Seen: 2,810 times

Last updated: Apr 19 '16