Update app.py

app.py

@@ -15,13 +15,14 @@ def add_noise(image, password):
     """Add Gaussian noise to the image based on the password."""
     seed = hash_password(password) % (2**32)
     np.random.seed(seed)
-    mean = np.random.uniform(-0.05, 0.05)
-    var = np.random.uniform(0.001, 0.01)
+    mean = np.random.uniform(-0.1, 0.1)  # Wider range for mean
+    var = np.random.uniform(0.05, 0.1)   # Higher variance for stronger noise
     sigma = var ** 0.5
     noisy_image = random_noise(np.array(image), mode='gaussian', mean=mean, var=var)
     noisy_image = (255 * noisy_image).astype(np.uint8)  # Scale back to 0-255
     return Image.fromarray(noisy_image)
 
+
 from skimage import img_as_float
 
 def remove_noise(noisy_image, password):