Update human_data/Human_Data.md

update the Pseudo Camera Intrinsics info

human_data/Human_Data.md

@@ -262,3 +262,14 @@ and also require all sampled future timesteps to stay inside the episode range:
 ```text
 t + K * action_stride < end_timestep
 ```
+
+## 11. Pseudo Camera Intrinsics
+
+If you need to render the hand mesh, you can use the following equivalent camera intrinsics for the released preview data:
+
+```text
+fx = fy = 174.609517037
+cx = W / 2
+cy = H / 2
+```
+where W and H denote the width and height of the corresponding ego-view video frame. Please note that these values are pseudo intrinsics for rendering and visualization, rather than calibrated physical camera intrinsics.