some type chage made in image format

app.py

@@ -18,9 +18,13 @@ def merge_images(image1, image2, method="concatenate"):
     Returns:
         PIL.Image: The merged image.
     """
-    img1 = cv2.resize(image1, (512,512))
-    img2 = cv2.resize(image2, (512,512))
-    img = img1*0.5 + img2*0.5
+    # img1 = cv2.resize(image1, (512,512))
+    # img2 = cv2.resize(image2, (512,512))
+    # img = img1*0.5 + img2*0.5
+
+    img1 = image1.astype('float32')
+    img2 = image2.astype('float32')
+    img = 0.5*img1 + 0.5*img2 
     img = img.astype('uint8')
   
     return img