Update README.md

README.md

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 ---
 license: gpl-3.0
+task_categories:
+- object-detection
+language:
+- vi
 ---
+# 📄 Vietnamese Financial Reports – Table Detection Dataset
+
+This dataset contains images and annotations of tables extracted from Vietnamese financial reports, focusing on the three most important financial statement types used in accounting and auditing.
+Each table in the dataset is annotated with bounding boxes in YOLO OBB format, and stored in a Parquet file along with the base64-encoded image.
+
+The dataset is optimized for use with the HuggingFace Datasets library.
+
+# 🏷 Class Labels
+
+| Class ID | Table Type           | Vietnamese Name                        |
+| -------- | -------------------- | -------------------------------------- |
+| **0**    | Balance Sheets       | *Bảng cân đối kế toán*                 |
+| **1**    | Cash Flow Statements | *Báo cáo lưu chuyển tiền tệ*           |
+| **2**    | Income Statements    | *Báo cáo kết quả hoạt động kinh doanh* |
+
+# 📦 Dataset Files
+Each Parquet file contains a list of images and their corresponding annotations.
+### Parquet Schema
+| Column         | Type       | Description                         |
+| -------------- | ---------- | ----------------------------------- |
+| `image_path`   | string     | Relative path of the original image |
+| `image_base64` | string     | Base64-encoded image bytes          |
+| `objects`      | list(dict) | List of annotated objects per image |
+
+# 📄 License
+GPL-3.0
+
+# ✨ Citation
+
+Please cite or reference this dataset if used in your work.
+### BibTeX
+```bibtex
+@inproceedings{tran2025vifintab,
+  title={ViFinTab: A Domain-Specific Dataset and Baseline for Table Detection in Vietnamese Financial Statements},
+  author={Tran, Hong Tai and Mai, Xuan Toan and Nguyen, Nam-Quan and Tran, Tuan-Anh},
+  booktitle={International Conference on Multi-disciplinary Trends in Artificial Intelligence},
+  pages={387--398},
+  year={2025},
+  organization={Springer}
+}
+```
+
+---