In 2020 - 2021, he was a Project Assistant Professor at Computer Vision and Media Lab and RIISE Institute, The University of Tokyo (東京大学), Japan. In 2017 - 2020, he was a JST CREST Project Researcher (特任研究員) and JSPS Fellowship Researcher (日本学術振興会外国人特別研究員) at Shin'ichi Satoh Lab, National Institute of Informatics (国立情報学研究所), Japan. In Jun. 2017, he received Ph.D. at National Engineering Research Center for Multimedia Software (国家多媒体软件工程技术研究中心), Wuhan University (武汉大学) with honors. His research interests focus on multimedia content analysis and retrieval.