Improve dataset card: Add metadata, links, and sample usage

README.md

@@ -1,6 +1,15 @@
+---
+task_categories:
+- image-to-3d
+license: mit
+---
+
 # Pixie Dataset
 
-This dataset contains data and pre-trained models for the Pixie project.
+This dataset contains data and pre-trained models for the paper [Pixie: Fast and Generalizable Supervised Learning of 3D Physics from Pixels](https://huggingface.co/papers/2508.17437).
+
+- Project Page: https://pixie-3d.github.io/
+- Code: https://github.com/vlongle/pixie
 
 ## Contents
 
@@ -9,7 +18,7 @@ This dataset contains data and pre-trained models for the Pixie project.
 - `real_scene_data/`: Real scene data for evaluation
 - `real_scene_models/`: Trained models for real scenes
 
-## Usage
+## Sample Usage
 
 Use the download script in the Pixie repository to automatically download this data:
 
@@ -17,3 +26,4 @@ Use the download script in the Pixie repository to automatically download this d
 python scripts/download_data.py
 ```
 
+For a full pipeline usage, refer to the [Github repository's usage section](https://github.com/vlongle/pixie#usage).