[![Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/roboflow-ai/notebooks/blob/main/notebooks/how-to-detect-and-count-objects-in-polygon-zone.ipynb)
## 👋 hello A set of easy-to-use utils that will come in handy in any computer vision project. **Supervision is still in pre-release stage. 🚧 Keep your eyes open for potential bugs and be aware that at this stage our API is still fluid and may change.** ## 💻 install Pip install the supervision package in a [**3.10>=Python>=3.7**](https://www.python.org/) environment. ```bash pip install supervision ```
Install from source ```bash # clone repository and navigate to root directory git clone https://github.com/roboflow/supervision.git cd supervision # setup python environment and activate it python3 -m venv venv source venv/bin/activate # install pip install -e ".[dev]" ```
## 📖 documentation Curious how Supervision can help you solve problems on your project? Visit our [documentation](https://roboflow.github.io/supervision) page! ## 🎬 tutorials 🔥 [Subscribe](https://www.youtube.com/@Roboflow) and stay up to date with the latest changes to the Supervision library.

count-objects-in-zone

count-objects-crossing-line

## 🏆 contribution We love your input! Please see our [contributing guide](https://github.com/roboflow/supervision/blob/main/CONTRIBUTING.md) to get started. Thank you 🙏 to all our contributors!