docs: Update README

README.md

@@ -8,4 +8,35 @@ tags:
 - art
 size_categories:
 - 1K<n<10K
----
+---
+
+## Dataset Format
+
+- **File Type:** .png
+
+## Data Sources
+
+1. **Online Collection:** Images collected from public datasets such as Kaggle and Huggingface.
+2. **Offline Collection:** Hand-drawn sketches by seven-year-old children, gathered through school visits and other offline activities.
+
+## Data Acquisition
+
+- Team members downloaded and collected images from online datasets.
+- Offline data was collected by visiting schools and gathering hand-drawn sketches from children.
+
+## Dataset Characteristics
+
+1. **Diverse Artistic Styles:** The style dataset includes works inspired by famous artists such as Van Gogh and Monet, as well as various art movements like Impressionism, Cubism, and Abstract art.
+2. **High Image Quality:** All images are of high resolution and clarity.
+3. **Variety of Image Types:** The dataset covers a wide range of subjects, including portraits and landscapes, supporting diverse creative scenarios.
+4. **Custom Style Samples:** To enable user-defined style generation, the dataset includes a rich collection of style samples.
+
+## Dataset Scale
+
+- **Style Datasets:** Includes oil painting, colored pencil, and crayon datasets, each with 150 images.
+- **Sketch Datasets:** Includes digital sketch and pencil sketch datasets, each with 100 - 200 images.
+
+## Data Sources
+
+- [Kaggle: Real AI Art Dataset](https://www.kaggle.com/datasets/ravidussilva/real-ai-art) (for style datasets except colored pencil and crayon)
+- Colored pencil and crayon images were collected from various online sources.