use LANCZOS filter

app.py

@@ -35,7 +35,7 @@ def preprocess_image(image_path):
                 new_width = int((new_height / height) * width)
             
             # Resize the image
-            img_resized = img.resize((new_width, new_height), Image.ANTIALIAS)
+            img_resized = img.resize((new_width, new_height), Image.LANCZOS)
             print(f"Resized image to {new_width}x{new_height}.")
 
             # Save the resized image as 'resized_image.jpg'