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👁️ Eye Blink Scroll Controller

Control your computer screen's scroll using your eye blinks via your webcam!

• Left eye blink → Scroll down
• Right eye blink → Scroll up

This project uses OpenCV for real-time face and eye detection and PyAutoGUI to simulate scrolling.

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📸 Demo

https://user-images.githubusercontent.com/your-demo.gif

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🧠 How It Works

• Uses Haar Cascade classifiers to detect face and eyes.
• Analyzes eye region brightness:
• A closed eye appears darker than an open one.
• Scrolls up/down based on which eye is closed while the other is open.
• Has a cooldown to prevent excessive triggering.

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🔧 Features

✅ Real-time eye tracking
✅ Blink-based scrolling logic
✅ No special hardware needed (just a webcam)
✅ Adjustable sensitivity
✅ Visual feedback (bounding boxes on eyes)

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🚀 Getting Started

🔩 Dependencies

Install the required packages:

```bash pip install opencv-python pyautogui numpy ````

▶️ Run the App

bash python eye_scroll.py

Press q to quit the window.

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⚙️ Configuration

You can fine-tune the sensitivity by adjusting this parameter in the code:

python INTENSITY_THRESHOLD = 60 # Lower = more sensitive to blinking

Adjust scroll_cooldown (in seconds) to control how often scroll is triggered:

python scroll_cooldown = 1.0 # seconds between scrolls

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🛠️ Future Improvements

• Add calibration step for more accuracy
• Use Dlib or Mediapipe for better landmark detection
• Support for left/right scrolling
• Add GUI toggle or hotkeys

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🧑‍💻 Author

Nabeel Ali Khan 🔗 GitHub 💼 AI & ML Enthusiast | Ethical Hacker | Backend Developer

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📜 License

This project is licensed under the MIT License.

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