Update app.py

app.py

@@ -51,12 +51,17 @@ def process_image(image: Image.Image):
 
     # 5) vectorized depth-based blur
     img_np = np.array(image).astype(np.float32)
+
+    # apply an Unsharp Mask to sharpen the whole image
+    sharp = image.filter(ImageFilter.UnsharpMask(radius=2, percent=150, threshold=3))
+    sharp_np = np.array(sharp).astype(np.float32)
+    
     near_blur = img_np
     far_blur = cv2.GaussianBlur(img_np, (81,81), 20)
 
     # high=foreground, low=background
     alpha    = depth_norm[...,None]               
-    combined = near_blur * alpha + far_blur * (1.0 - alpha)
+    combined = sharp_np * alpha + far_blur * (1.0 - alpha)
 
     lens_blur = Image.fromarray(np.clip(combined,0,255).astype(np.uint8))