Setup OpenCV on Windows
Verify installation of python and pip with
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| C:\> python -V
C:\> pip -V
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Install Virtual Environment
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| C:\> pip install virtualenv
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Setup virtualenv in your workspace
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| C:\> cd your_workspace
C:\your_workspace> virtualenv venv
C:\your_workspace> \venv\Scripts\activate.bat
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Once you activate the virtual environment, you should see (venv) appear before C:\your_workspace>
Install OpenCV
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| (venv) C:\your_workspace> pip install numpy
(venv) C:\your_workspace> pip install opencv-python
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Test OpenCV Installation
Create a new file main.py and write the following command
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| import cv2
print(cv2.__version__)
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Run the file in command line with
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| (venv) C:\your_workspace> python main.py
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Deactivate virtualenv
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| (venv) C:\your_workspace> deactivate
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Setup OpenCV on macOS/Linux
Verify installation of python and pip with
Install Virtual Environment
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| $ pip install virtualenv
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Setup virtualenv in your workspace
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| $ cd your_workspace
$ virtualenv venv
$ . venv/bin/activate
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Once you activate the virtual environment, you should see (venv) appear before $. You can verify the python version inside virtual environment with
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| $ python -V
Python 3.6.5
$ which python
/Users/abu/workspace/venv/bin/python
$ pip -V
pip 18.1 from /Users/abu/workspace/venv/lib/python3.6/site-packages/pip (python 3.6)
$ which pip
/Users/abu/workspace/venv/bin/pip
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Install OpenCV
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| (venv) $ pip install numpy
(venv) $ pip install opencv-python
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Test OpenCV Installation
Create a new file main.py and write the following command
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| import cv2
print(cv2.__version__)
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Run the file in command line with
Deactivate virtualenv
