AUTHOR=Luo Shan , Lepora Nathan F. , Martinez-Hernandez Uriel , Bimbo Joao , Liu Huaping TITLE=Editorial: ViTac: Integrating Vision and Touch for Multimodal and Cross-Modal Perception JOURNAL=Frontiers in Robotics and AI VOLUME=8 YEAR=2021 URL=https://www.frontiersin.org/journals/robotics-and-ai/articles/10.3389/frobt.2021.697601 DOI=10.3389/frobt.2021.697601 ISSN=2296-9144