PyCharm and Python

OpenCV Installation

Method 1 (Using PyCharm Terminal)

Source: link

• Go to the terminal option at the bottom of the IDE window.
• The pip (package manager) can be used to download and install OpenCV. To install OpenCV, just type the following command:

          pip install opencv-python
          

  Note: To run the SURF examples, you need to install the contrib version of OpenCV:

          pip install opencv-contrib-python
  		

• Now import OpenCV in your Python program in which you want to use image processing functions.
  To check if OpenCV is correctly installed, run the following program in PyCharm to perform a version check:

          
          import cv2 as cv
          print("GeeksForGeeks")
          print("Your OpenCV version is: " + cv.__version__)
          
          

Method 2 (Using Python Packages)

Source: link

• Go to the Python Packages option at the bottom of the IDE window.
• Search for "opencv-python" and select the option from PyPI. Click on Install Package.
• The package is installed and is visible in the "Installed" Tab.
• To remove the package, click on the package name (here: opencv-python) from the Installed. Click three dots, select "Delete Package".

Method 3 (Using System Terminal)

Source: link

• Open settings and then select Project <project name> | Python Interpreter.
• Expand the list of the available interpreters and click Show All.
• Locate the target interpreter and copy the path to the virtual environment.
• Open the system terminal (not the PyCharm's built-in one) and run the following commands:

  
  Windows
  

  		
          source <venv path>/Scripts/activate
          pip install <package name>
  	    
  		

  
  macOS
  

  		
          source <venv path>/bin/activate
          pip install <package name>
  	    
  		

• Inspect and parse the results.

OpenCV Code Completion

Source: liga

• In PyCharm open from menu FILE - SETTINGS
• Go to PROJECT: <your_project_name> and select PYTHON INTERPRETER
• Click on the gear symbol next to the interpreter path and select SHOW ALL
• Make sure the correct interpreter is selected
• Click on that icon that looks like a folder tree (on the top)
• Click on the "+" icon
• Select the folder where the OpenCV package is located; normally (if you installed it via package manager) you will find it in: <your_project_path>\venv\Lib\site-packages\cv2
• Click OK (twice)
• Wait for updating skeletons

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