He thought he recognized her as one of the ANBU running around Konoha, but he couldn't be sure. And calling out to someone you didn't really know wasn't his style. However, he made sure that he walked into her line of vision, his hitai-ate proudly stating that he was a Leaf shinobi. Besides, anyone in Konoha would recognize him. The Sandaime Hokage had only had the one son, after all.