Professor Zhijie Xu from the University of Huddersfield visited Wang Kaiwei Research Group on May 29th, 2018. During the visit, an academic seminar was held in College of Optical Science and Engineering, Zhejiang University. Professor Zhijie Xu reported his research on computer vision, 3D visualization, image processing and so on. Ruiqi Cheng, Weijian Hu, Huabing Li also made academic reports. During the seminar, participants discussed research interests regarding the academic report.