Update app.py

app.py

@@ -1,4 +1,5 @@
 import numpy as np
+from skimage.metrics import structural_similarity as ssim
 import gradio as gr
 import cv2
 
@@ -7,9 +8,7 @@ def calculate_similarity(img1, img2):
         img1 = cv2.cvtColor(img1, cv2.COLOR_GRAY2RGB)
     if len(img2.shape) == 2:
         img2 = cv2.cvtColor(img2, cv2.COLOR_GRAY2RGB)
-    img1_resized = cv2.resize(img1, (img2.shape[1], img2.shape[0]))
-    diff = cv2.absdiff(img1_resized, img2)
-    similarity_score = np.mean(diff)
+    similarity_score = ssim(img1, img2, multichannel=True)
     return similarity_score
 
 def image_similarity(img1, img2):
@@ -29,5 +28,5 @@ iface = gr.Interface(
     title="Image Similarity Calculator",
     description="Upload two images to compute their similarity."
 )
-iface.launch()
 
+iface.launch(share=True)