OpenCV Tutorial
Image Processing
Feature Detection and Description
Drawing Functions
Video Processing
Applications and Projects
Setting up OpenCV with an Anaconda environment is a good way to manage dependencies and ensure consistent results across different systems. Here's a step-by-step tutorial on how to do this:
If you haven't already installed Anaconda, download and install it from Anaconda's official website. Follow the installation instructions suitable for your operating system.
Open the Anaconda Prompt or terminal (on Linux/Mac). Create a new environment. In this tutorial, we'll name it opencv_env
, but you can name it anything you prefer:
conda create -n opencv_env python=3.8
We're specifying Python version 3.8
, but you can choose another version if you have a preference.
Before installing any packages, activate the environment:
conda activate opencv_env
With the environment activated, install OpenCV using conda
. The Anaconda distribution contains pre-built OpenCV packages which can be easily installed:
conda install -c conda-forge opencv
Using -c conda-forge
specifies that we're using the conda-forge
repository, which often has the latest packages.
Start Python within the activated environment:
python
Now, try importing OpenCV to verify the installation:
import cv2 print(cv2.__version__)
This should print the version number of OpenCV, indicating that it's installed and accessible within the opencv_env
environment.
When you're done, deactivate the environment:
conda deactivate
Always activate the opencv_env
environment (or whatever you named it) before running any script or tool that requires OpenCV. This ensures that you're using the correct version of OpenCV and its dependencies.
If you need to install additional packages, make sure you have the environment activated, and then use conda install
or pip install
.
If you're working with Jupyter notebooks, you can also install the ipykernel
package within your environment and then add that kernel to Jupyter. This allows you to use OpenCV (and any other packages you've installed within the environment) directly from Jupyter notebooks.
Setting up environments in Anaconda is useful for keeping projects and dependencies organized. By following this tutorial, you'll have a dedicated environment for OpenCV, which can be beneficial for larger projects or when you want to ensure consistency across different setups.
Installing OpenCV in Anaconda using conda:
env_name
with your desired environment name):conda create --name env_name
conda activate env_name
conda install -c conda-forge opencv
Creating a new Anaconda environment for OpenCV:
conda create --name env_name conda activate env_name conda install -c conda-forge opencv
OpenCV and Jupyter notebooks in Anaconda:
conda install jupyterLaunch Jupyter with:
jupyter notebookYou can then import OpenCV in your notebook and work with computer vision tasks interactively.