Python2 -m pip install opencv-python # python2.x python3.5 -m pip install opencv-python #python3.5 python3.6 -m pip install opencv-python #python3.6. Add --user in the end if you have permission issues. Install OpenCV 3 with Python 3 on Windows Posted on September 17, 2016 by Sol. Updated 21 April 2018. If you need a short tutorial about how to get started with OpenCV 3.4 programming in Python 3.6 on Windows, you are in the right place. Most articles I found online, including the OpenCV documentation, seem concerned only with Python 2.7.

Download and install the latest Anaconda distribution from # 2. Create a new Python environment. Make sure you choose python 3.5 as your python version for the virtual environment: conda create -n myenv python = 3.5 # 3. Activate the new environment using: source activate myenv # 4. OpenCV depends on NumPy, which can be installed with: conda install numpy # 5.Install the anaconda-client command utility to search for the OpenCV binary in Conda: conda install anaconda -client # 6.

Search for OpenCV 3: anaconda search -t conda opencv3 # 7. You will see a few options but choose a package that supports osx-64. For example choose which support osx-64. Conda install --channel https: //conda.anaconda.org /menpo opencv3 # 8.

Test Open CV with below code. It should return the installed Open CV version.

Import cv2 print( 'OpenCV version: ') print(cv2. I'm working with macOS 10.13.4 Thank you very much for the very clear explanation for the installation which is also by far the easiest that I found so far. I followed your installation step by step and didn't have any error message. I then tried to import cv2 with the command that you gave: import cv2 print('OpenCV version:') print(cv2.__version__) Unfortunately i got this error message: --------------------------------------------------------------------------- ImportError Traceback (most recent call last) in () ----> 1 import cv2 2 print('OpenCV version:') 3 print(cv2.__version__) ImportError: No module named 'cv2' Then As you said ' Make sure you choose python 3.5 as your python version for the virtual environment', I installed python 3.5.5 and moved my python version 3.6 to the trash. I re-ran the installation but still got the error message.

Do you know what I should do? For info, using a different installation method, I posted those 2 questions on stackoverflow: Many many thanks in advance!

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