✨ Air Canvas ML Model

Author: Amrish Kumar

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🚀 Project Overview

Ever wished to capture your imagination by simply waving your finger in the air? Air Canvas ML brings your drawings to life, using real-time computer vision and machine learning to let you sketch in mid-air. No touch—just gestures!

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🛠️ Technology Choices & Justification

• Python: Fast prototyping, huge ecosystem for CV/ML.
• OpenCV: Robust, industry-standard for real-time image/video processing and UI overlays.
• MediaPipe: Google's advanced hand tracking framework, efficient and easy for gesture recognition.
• NumPy: High-performance numerical operations for image arrays.
• collections.deque: Fast and memory-efficient storage for stroke points.

Combining these, we deliver a smooth, interactive experience for air drawing!

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🎨 Features & UI Highlights

• Modern Dark Mode Canvas
  Enhanced visibility and style for your sketches.

• Sleek, Rounded Color Buttons with Live Highlight
  Intuitive color selection with animated borders, emoji icons, and easy visual feedback.

• Clear Button with Animated Trash Icon
  Instantly erase your canvas with a single gesture.

• Real-Time Hand Tracking Overlay
  See your detected hand landmarks live as a semi-transparent guide.

• Dynamic Gesture Hints & Instructions
  Always know how to interact—helpful overlays guide you.

• Undo/Redo (optional)
  Go back and forth between recent strokes.

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✋ Gesture Recognition Logic

Air Canvas ML uses intelligent hand landmark tracking (via MediaPipe) to identify four main gestures:

Gesture	How it Works
Draw	Track the tip of the index finger (landmark 8). If away from thumb, record movement.
Pause (Lift)	Thumb (landmark 4) close to index tip vertically (<30px): stops drawing, starts new stroke
Select Color	Move fingertip into any top-bar zone: - Blue: 160-255px - Green: 275-370px - Red: 390-485px - Yellow: 505-600px
Clear	Move fingertip into "Clear" button zone (40-140px): all strokes reset, canvas erased

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🖼️ User Interface Preview

Button	Action	Emoji/Icon
Blue	Draw Blue	🟦
Green	Draw Green	🟩
Red	Draw Red	🟥
Yellow	Draw Yellow	🟨
Clear	Erase Canvas	🗑️

Current color is highlighted with a bright border!

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📝 Getting Started

1. Install Dependencies

pip install -r requirements.txt

2. Run the App

python air canvas ml.py

Press Q to exit.

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📋 Requirements

See requirements.txt for full details:

opencv-python
mediapipe
numpy

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📖 License

MIT

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💬 Contact

Questions, feedback, or want to collaborate?
Find me on GitHub: Coderamrish

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Bring your imagination to life—draw without boundaries!