add reference to one-2-3-45

app.py

@@ -26,7 +26,8 @@ Procedure: </br>
 **Step 1**. Upload an image or select an example.  ==> The foreground is masked out by SAM and we crop it as inputs. </br>
 **Step 2**. Select "Elevation angle "and click "Run generation". ==> Generate multiview images. The **Elevation angle** is the elevation of the input image. (This costs about 30s.) </br>
 You may adjust the **Crop size** and **Elevation angle** to get a better result! <br>
-To reconstruct a NeRF or a 3D mesh from the generated images, please refer to our [github repository](https://github.com/liuyuan-pal/SyncDreamer).
+To reconstruct a NeRF or a 3D mesh from the generated images, please refer to our [github repository](https://github.com/liuyuan-pal/SyncDreamer). <br>
+We have heavily borrow codes from [One-2-3-45](https://huggingface.co/spaces/One-2-3-45/One-2-3-45), which is also an amazing single-view reconstruction method. 
 '''
 _USER_GUIDE0 = "Step1: Please upload an image in the block above (or choose an example shown in the left)."
 # _USER_GUIDE1 = "Step1: Please select a **Crop size** and click **Crop it**."