Alignment of fast-exposed to well-exposed

lantern_scripts/create_data_folder.py

@@ -19,6 +19,20 @@ def move_subfolder(source_dir, destination_dir):
 
     delete_empty_folder(source_dir)
 
+def copy_subfolder(source_dir, destination_dir):
+    if not os.path.exists(source_dir):
+        print(f"Source directory '{source_dir}' does not exist.")
+        return
+    
+    os.makedirs(destination_dir, exist_ok=True)
+
+    try:
+        for filename in os.listdir(source_dir):
+            if filename.lower().count('png') < 2:
+                shutil.copy2(os.path.join(source_dir, filename), os.path.join(destination_dir, filename))
+    except Exception as e:
+        print(f"Error copying subfolder: {e}")
+
 def delete_empty_folder(folder_path):
     try:
         if os.path.exists(folder_path):
@@ -60,7 +74,7 @@ if __name__ == "__main__":
     masks_folder = args.input_dir + "masks/"
 
     for item in os.listdir(masks_folder):
-        move_subfolder(masks_folder + item, dest_folder + item + "/mask")
+        copy_subfolder(masks_folder + item, dest_folder + item + "/mask")
 
     delete_empty_folder(args.input_dir + "masks")