Update README.md

README.md

@@ -27,7 +27,7 @@ pretty_name: garment-tracking
 
 - **Homepage:** https://garment-tracking.robotflow.ai
 - **Repository:** [GitHub](https://github.com/xiaoxiaoxh/GarmentTracking)
-- **Paper:** [GarmentTracking: Category-Level Garment Pose Tracking]()
+- **Paper:** [GarmentTracking: Category-Level Garment Pose Tracking](https://arxiv.org/pdf/2303.13913.pdf)
 - **Point of Contact:**
 
 ## Dataset Summary
@@ -39,27 +39,40 @@ To download the dataset, use the following shell snippet:
 git lfs install
 git clone https://huggingface.co/datasets/robotflow/garment-tracking
 # if you want to clone without large files – just their pointers
-# prepend your git clone with the following env var:
-GIT_LFS_SKIP_SMUDGE=1
-# merge multiple zip files
+# prepend your git clone with the following env var: GIT_LFS_SKIP_SMUDGE=1
+
+# merge multiple .zip files (e.g. folding) into one .zip file
+cd data/folding
+cat folding_dataset.z*  > folding_dataset.zip
+# unzip
+unzip folding_dataset.zip
 ```
 
 ## Dataset Structure
-
-### Data Instances
-
-### Data Fields
-
-### Data Splits
-
-## Dataset Creation
-
-### Source Data
-
-### Annotations
-
-## Additional Information
-
-### Citation Information
-
+Here is the detailed stucture of a data example of one frame:
+```
+00068_Tshirt_000000_000000
+ ├── grip_vertex_id
+ │   ├── left_grip_vertex_id (1,) int32
+ │   └── right_grip_vertex_id (1,) int32
+ ├── hand_pose
+ │   ├── left_hand_euler (25, 3) float32
+ │   ├── left_hand_pos (25, 3) float32
+ │   ├── right_hand_euler (25, 3) float32
+ │   └── right_hand_pos (25, 3) float32
+ ├── marching_cube_mesh
+ │   ├── is_vertex_on_surface (6410,) bool
+ │   ├── marching_cube_faces (12816, 3) int32
+ │   └── marching_cube_verts (6410, 3) float32
+ ├── mesh
+ │   ├── cloth_faces_tri (8312, 3) int32
+ │   ├── cloth_nocs_verts (4434, 3) float32
+ │   └── cloth_verts (4434, 3) float32
+ └── point_cloud
+     ├── cls (30000,) uint8
+     ├── nocs (30000, 3) float16
+     ├── point (30000, 3) float16
+     ├── rgb (30000, 3) uint8
+     └── sizes (4,) int64
+```