updated readme with dataset origin

README.md

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 ---
 license: mit
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+# Indian Currency Recognition Dataset
+
+## Overview
+
+The **Indian Currency Recognition Dataset** is a publicly available dataset designed for researchers and developers working on **currency classification**, **currency recognition**, and **counterfeit currency detection** using computer vision and deep learning.
+
+The dataset contains high-resolution images of multiple Indian currency denominations captured under real-world conditions. It includes both old and new currency notes and has been augmented to improve model generalization.
+
+---
+
+## Dataset Information
+
+| Attribute | Details |
+|----------|---------|
+| Dataset Name | Indian Currency Dataset |
+| Version | 1 |
+| Published | 28 August 2020 |
+| DOI | 10.17632/48ympv8jjf.1 |
+| License | CC BY 4.0 |
+| Total Original Images | 4,657 |
+| Total Augmented Images | 11,657 |
+| Image Format | JPEG |
+| Camera Used | Moto X Play (21 MP) |
+
+---
+
+## Supported Currency Denominations
+
+The dataset contains images of the following Indian currency notes:
+
+- ₹10 (Old & New)
+- ₹20 (Old)
+- ₹50 (Old & New)
+- ₹100 (Old & New)
+- ₹200
+- ₹500
+- ₹2000
+
+Dataset folders:
+
+```
+Rs.10/
+Rs.20/
+Rs.50/
+Rs.100/
+Rs.200/
+Rs.500/
+Rs.2000/
+```
+
+---
+
+## Image Specifications
+
+Landscape Images
+
+- Resolution: **5344 × 3006**
+
+Portrait Images
+
+- Resolution: **3006 × 5344**
+
+All images were captured using a **Moto X Play smartphone equipped with a 21 MP camera**.
+
+---
+
+## Data Augmentation
+
+To increase dataset diversity and improve deep learning performance, the following augmentation techniques were applied:
+
+- Zoom
+- Rotation (90°)
+- Rotation (270°)
+- Tilt
+- Distortion
+- Horizontal Flip
+
+After augmentation, the dataset size increased from **4,657** images to **11,657** images.
+
+---
+
+## Applications
+
+This dataset can be used for:
+
+- Indian Currency Recognition
+- Currency Classification
+- Deep Learning Research
+- Computer Vision Projects
+- Assistive Technology for Visually Impaired Individuals
+- Counterfeit Currency Detection
+- Mobile Currency Recognition Applications
+
+---
+
+## Dataset Structure
+
+```
+Indian-Currency-Dataset/
+│
+├── Rs.10/
+├── Rs.20/
+├── Rs.50/
+├── Rs.100/
+├── Rs.200/
+├── Rs.500/
+├── Rs.2000/
+└── README.md
+```
+
+---
+
+## Source
+
+This dataset was developed as part of the project:
+
+**"Coinnet: Platform-independent Application to Recognize Indian Currency Notes Using Deep Learning Techniques."**
+
+The work was carried out during a sabbatical at **Bennett University** with support from **SR University (formerly SR Engineering College), Warangal**.
+
+---
+
+## Citation
+
+If you use this dataset in your research or project, please cite:
+
+```bibtex
+@dataset{veeramsetty2020indiancurrency,
+  author = {Venkataramana Veeramsetty and Gaurav Singal and Tapas Badal},
+  title = {Indian Currency Dataset},
+  year = {2020},
+  publisher = {Mendeley Data},
+  version = {V1},
+  doi = {10.17632/48ympv8jjf.1}
+}
+```
+
+Citation:
+
+> Veeramsetty, V., Singal, G., & Badal, T. (2020). *Indian Currency Dataset* (Version 1). Mendeley Data. https://doi.org/10.17632/48ympv8jjf.1
+
+---
+
+## Related Resources
+
+- GitHub Repository: https://github.com/10zinten/Indian-Currency-Recognition
+- Research Paper: https://link.springer.com/article/10.1007/s11042-020-09031-0
+
+---
+
+## License
+
+This dataset is distributed under the **Creative Commons Attribution 4.0 International (CC BY 4.0)** License.
+
+You are free to:
+
+- Share
+- Adapt
+- Build upon the dataset
+
+provided appropriate credit is given to the original authors.
+
+For more information, visit:
+
+https://creativecommons.org/licenses/by/4.0/
+
+---
+
+## Acknowledgements
+
+Special thanks to:
+
+- Venkataramana Veeramsetty
+- Gaurav Singal
+- Tapas Badal
+
+for collecting and publishing this dataset for the research community.