Update README.md

README.md

@@ -123,30 +123,34 @@ huggingface-cli download --repo-type dataset --resume-download FastUMIPro/exampl
 FastUMI PRO uses raw format containing various types of raw sensor data, which can be easily converted to other formats. The raw format facilitates querying and validating original sensor outputs for rapid problem identification.
 
 ```plaintext
-DATA/
-└── device_label_xv_serial/
-    └── session_timestamp/
-        ├── RGB_Images/
-        │   ├── timestamps.csv
-        │   └── Frames/
-        │       ├── frame_000001.jpg
-        │       ├── frame_000002.jpg
-        │       └── ...
-        ├── SLAM_Poses/
-        │   └── slam_raw.txt
-        ├── Vive_Poses/
-        │   └── vive_data_tum.txt
-        ├── ToF_PointClouds/
-        │   ├── timestamps.csv
-        │   └── PointClouds/
-        │       ├── pointcloud_000001.pcd
-        │       ├── pointcloud_000002.pcd
-        │       └── ...
-        ├── Clamp_Data/
-        │   └── clamp_data_tum.txt
-        └── Merged_Trajectory/
-            ├── merged_trajectory.txt
-            └── merge_stats.txt
+multi_sessions_{time}_{serial number}
+└──session_001
+    └── device_label_xv_serial/
+        └── session_timestamp/
+            ├── RGB_Images/
+            │   ├── timestamps.csv
+            │   └── Frames/
+            │       ├── frame_000001.jpg
+            │       ├── frame_000002.jpg
+            │       └── ...
+            ├── SLAM_Poses/
+            │   └── slam_raw.txt
+            ├── Vive_Poses/
+            │   └── vive_data_tum.txt
+            ├── ToF_PointClouds/
+            │   ├── timestamps.csv
+            │   └── PointClouds/
+            │       ├── pointcloud_000001.pcd
+            │       ├── pointcloud_000002.pcd
+            │       └── ...
+            ├── Clamp_Data/
+            │   └── clamp_data_tum.txt
+            └── Merged_Trajectory/
+                ├── merged_trajectory.txt
+                └── merge_stats.txt
+└──session_002
+└──session_003
+└──session_004
 ```
 
 ### Directory Descriptions