Draft Full Paper Due:
March 30, 2024

Notification of Draft Paper Acceptance:
April 15, 2024

Final Manuscript Due:
April 20, 2024

Author Registration Deadline:
April 20, 2024

Conference Dates:

May 17-19, 2024


Home > Invited Speakers

Prof. Yi-Jun Yang

Xi'an Jiaotong University, China

Yi-Jun Yang is now a professor in school of computer science and technology of Xi'an Jiaotong university and R.D. director of CSSC SEAGO system and technology Co., Ltd. He received his Ph.D degree in the Department of Computer Science and Technology at Tsinghua University in 2008. He has had faculty positions in the Shandong university and has been an associate Professor in school of computer science and technology in 2012-2019. His research interests are in Computer Aided Design, Computer Graphics and most recently in Geometric Engine Architecture and Algorithms. He is a member of CCF GDC, CAD and CG Special Committee. He served as the co-organization chair of CAD/Graphics 2021 and GAMES 2021. He received the excellent achievement award of high institute in 2023.

Speech Title: "Optimal Parameterization of Freeform Surfaces"

Abstract: The parameterization of freeform surfaces plays an important role in geometric design and computer graphics. The parameterization of freeform surfaces highly affects their rendering and tessellation results. The conformality and equiareality are two key properties of the optimal parameterization. The only rational Bézier surfaces with uniform iso-parametric curves are bilinear surfaces, and the only rational Bézier surfaces with conformal parameterization are rectangles. Different reparameterization methods are utilized to optimize differential geometry properties of the freeform surfaces, and the superiority and disadvantage of different transformation methods are analyzed and compared. The future research trends of the surface parameterization are discussed. Examples are given to show the performance of different reparameterization algorithms for rendering and tessellation applications.