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👁️ OpenCV Basics Tutorial – Learn by Doing!

Welcome to the OpenCV Basics tutorial repository — a phase-wise structured learning series designed to help beginners master computer vision using OpenCV with Python.

This repo is for anyone who's ever asked:

🧠 "How do I get started with OpenCV?"

🛠️ "Where can I practice with real assignments?"

🚀 "Can I build a Streamlit app with what I learn?"

You're in the right place! 💡

📚 What You'll Find Here

Each phase in this series includes:

  • 📒 Concept Notes — explained simply
  • 🧠 Assignments — test yourself!
  • ✅ Assignment Solutions — cross-check
  • 💻 Code Files — to learn , run and explore
  • 🌐 Streamlit Apps — for interactive learning
  • 🖼️ Output Image Samples

🧭 Progress Tracker

Phase Title Status
Phase 0 🧬 Birth of OpenCV ✅ Completed
Phase 1 🏁 Getting Started with OpenCV ✅ Completed
Phase 2 🧰 Image Transformations & Drawing ✅ Completed
Phase 3 📹 Working with Video & Webcam ✅ Completed
Phase 4 🧬 Image Filtering & Sharpening ✅ Completed
Phase 5 🏁 Edge Detection & Thresholding ✅ Completed
Phase 6 🧰 Contour & Shape Detection ✅ Completed
Phase 7 📹 Face & Object Detection ✅ Completed

Repository will be updated phase-wise. ⭐ Star this repo to stay notified!

🔍 Phases Overview

🧬 Phase 0: Birth of OpenCV

Why OpenCV was created and how it became a game-changer.

📄 Notes

🏁 Phase 1: Getting Started

Basics of image handling – reading, displaying, saving, and grayscale conversion.

📄 Notes • 💻 Code • 🧪 Assignment • 🌐 App

🧰 Phase 2: Transformations & Drawing

Resize, crop, rotate, flip images and draw shapes or text on them.

📄 Notes • 💻 Code • 🧪 Assignment • 🌐 App

📹 Phase 3: Video & Webcam

Read and process videos or live webcam feed using OpenCV.

📄 Notes • 💻 Code • 🧪 Assignment & App

🛹 Phase 4: Image Filtering and Sharpenig

Read , Blurr , and Sharpen images in OpenCV using its special methods.

📄 Notes • 💻 Code • 🧪 Assignment • 🌐 App

📏 Phase 5: Edge Detection & Thresholding (Coming Soon)

Apply edge detection techniques like Canny and Sobel, and explore thresholding methods to segment images effectively.

📄 Notes • 💻 Code • 🧪 Assignment • 🌐 App

🧰 Phase 6: Contour & Shape Detection

Learn to detect contours, identify basic geometric shapes, and draw them with OpenCV utilities.

📄 Notes • 💻 Code • 🧪 Assignment • 🌐 App

📹 Phase 7: Face & Object Detection

Use Haar cascades and pre-trained models to detect faces and common objects in images and video streams.

📄 Notes • 💻 Code • 🧪 Assignment & App

🚀 Getting Started

# Clone the repo
git clone https://github.com/your-username/opencv-basics-tutorial.git

# Install dependencies
pip install -r requirements.txt

Explore....

📣 Connect & Share

I'll be sharing updates on LinkedIn. If you're learning from this, let me know! I'd love to hear your progress. 👋

⭐ Contributions & Feedback

Have suggestions, improvements, or found a bug? Feel free to:

📜 License

Licensed under the MIT License

💬 Final Note

"Learning is most powerful when shared. Start small, stay consistent, and let your curiosity lead the way."

  • DHANRAJ SHARMA