Upload README.md

README.md

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+# 🤖 Robot Data Collection Guide
+
+A practical guide for collecting clean, diverse, and meaningful datasets to train and evaluate robot models.
+
+---
+
+## 📌 Why This Matters
+
+High-quality data is the foundation for:
+
+- Behavior cloning
+- Multi-robot coordination
+- Sim-to-real transfer
+- Sensor fusion and modeling
+
+---
+
+## 📂 What's Inside
+
+- ✅ Types of data to collect (images, joint states, LiDAR, IMU)
+- ✅ How to record multi-modal data (ROS 2 bag files)
+- ✅ Labeling methods (manual, semi-auto)
+- ✅ Data cleaning and preprocessing
+- ✅ Storage & formats: `.db3`, `.csv`, `JSON`
+
+---
+
+## 🛠 Tools You Can Use
+
+| Tool            | Purpose                         |
+|-----------------|----------------------------------|
+| ROS 2           | Real-time data collection        |
+| `rosbag2_py`    | Python access to .db3 files      |
+| DB Browser      | Inspect SQLite `.db3` bags       |
+| OpenCV / PIL    | Preprocess visual data           |
+| Pandas          | Work with CSVs                   |
+| Hugging Face    | Store models/datasets online     |
+
+---
+
+## 📦 Example Commands
+
+```bash
+# Record robot states + camera stream
+ros2 bag record /joint_states /camera/image_raw /tf