Update app.py

app.py

@@ -54,8 +54,11 @@ def process_image(image: Image.Image):
     # two extremes: no blur for near, heavy blur for far
     near_blur = img_np                          
     far_blur  = cv2.GaussianBlur(img_np, (81,81), 20)
-    alpha = depth_norm[...,None]
-    combined = near_blur * (1.0 - alpha) + far_blur * alpha
+    # invert so 0→near, 1→far
+    inv_d    = 1.0 - depth_norm
+    alpha    = inv_d[...,None]
+    # now near (inv_d≈1) stays sharp, far (inv_d≈0) becomes far_blur
+    combined = img_np * alpha + far_blur * (1.0 - alpha)
     lens_blur = Image.fromarray(np.clip(combined,0,255).astype(np.uint8))
 
     return image, output_blur, lens_blur