Refactor depth image saving logic

app.py

@@ -104,16 +104,10 @@ with gr.Blocks(css=css) as demo:
 
             pred_depth = pred_depth.cpu().numpy().squeeze()
 
-            depth = pred_depth.cpu().numpy().astype(np.uint8)
-            colored_depth = cv2.applyColorMap(
-                depth, cv2.COLORMAP_INFERNO)[:, :, ::-1]
-
-            raw_depth = Image.fromarray(
-                pred_depth.cpu().numpy().astype('uint16'))
             tmp = tempfile.NamedTemporaryFile(suffix='.png', delete=False)
-            raw_depth.save(tmp.name)
+            pred_depth.save(tmp.name)
 
-            return [(original_image, colored_depth), tmp.name]
+            return [(original_image, tmp.name), tmp.name]
 
     submit.click(on_submit, inputs=[input_image], outputs=[
                  depth_image_slider, raw_file])