Hand Tracking Virtual Painter 🎨✋

A real-time AI-powered virtual painting app that lets you draw on your screen using just your hand and a webcam—no mouse or stylus required! Built with OpenCV and MediaPipe for fast, accurate hand tracking and gesture recognition.

---

🖼️ Screenshots

Selecting Color

Drawing with Painter

Erasing Strokes

---

🚀 Features

• Real-time Hand Tracking
  MediaPipe’s hand landmark model enables precise fingertip detection and tracking.
• Gesture-Based Controls
  • Index Finger Up: Draw on the canvas.
  • Index + Middle Fingers Up: Open color selection panel; hover to pick a color.
  • Thumb + Pinky: Switch to eraser mode.
• Customizable Tools
  Adjust brush thickness and eraser size for detailed work.
• Multi-Color Palette
  Instantly switch colors by hovering over the palette region.
• Cross-Platform
  Works with any standard webcam on Windows, macOS, or Linux.

---

🧰 Tech Stack

• Python 3.7+
• OpenCV – Video capture, image processing, UI overlays
• MediaPipe – Hand landmark detection, gesture recognition
• NumPy – Efficient image matrix operations

---

📦 Installation

1. Clone the repository

   git clone https://github.com/IbrahimBagwan1/hand-tracking-virtual-painter.git
   cd hand-tracking-virtual-painter

2. (Optional) Create & activate a virtual environment

   python -m venv venv
   # Windows
   venv\Scripts\activate
   # macOS / Linux
   source venv/bin/activate

3. Install dependencies

   pip install -r requirements.txt

---

▶️ Usage

1. Connect your webcam.
2. Run the painter script:

   python app_virtual_painter.py

3. Start drawing!

Controls:

• Drawing Mode: Raise index finger
• Color Selection: Raise index + middle fingers, hover over a color in the top bar
• Eraser Mode: Make thumb + pinky gesture
• Quit: Press x at any time

---

🎯 How It Works

• Hand Landmark Detection:
  MediaPipe locates 21 hand landmarks in each video frame.
• Gesture Recognition:
  • Drawing: Only index fingertip above its PIP joint
  • Selection: Both index and middle fingertips up
  • Eraser: Thumb and pinky fingertips up together
• Canvas Overlay:
  Drawing strokes are accumulated on a transparent canvas and overlaid on the live video feed using OpenCV.

---

🔍 SEO & Discoverability

Keywords: Hand Tracking, Virtual Painter, Gesture Recognition, OpenCV, MediaPipe, Python Drawing App, Real-time AI Drawing
Description: Create stunning drawings with just your hand—no stylus or tablet needed. Leverage AI-driven hand tracking for an intuitive, marker-free digital painting experience.

---

🛡️ License

Distributed under the MIT License. See LICENSE for details.

---

🙌 Contributing

Contributions are welcome! To report bugs or propose enhancements:

1. Fork this repository
2. Create a new branch (git checkout -b feature/my-feature)
3. Commit your changes (git commit -m "Add my feature")
4. Push to the branch (git push origin feature/my-feature)
5. Open a Pull Request

Please ensure all new code is well-documented and tested.

---

📬 Contact

Created by Ibrahim Bagwan
Questions or feedback? Reach out via GitHub Issues

---

Enjoy painting with your hands! 🎨✋