Graphics & User Interfaces
A fourth-year PhD student advised by Changxi Zheng, Li was selected for his research in a relatively new area of computer graphics: simulating sound based on the physics of actions and motions occurring within an animation.
Deployable 3D Linkages with Collision Avoidance describes a method for creating Hoberman-like mechanisms out of arbitrary 3D models. The method, which requires little user input, automatically avoids collisions among parts so object can expand and contract.
Eitan Grinspun and Changxi Zheng worked with MIT researchers to create InstantCAD, a plugin providing real-time feedback on how design changes affect performance.
About
Graphics and user interface research includes animation, geometry processing, computational photography, augmented reality & virtual environments, rendering, human-computer interaction, acquisition of geometry and material properties, 3D user interfaces, computational mechanics, knowledge-based design of graphics and multimedia, mobile and wearable computing, computer games, information visualization, video and image processing, shape modeling.
Computer Vision and Graphics Center 
Columbia Computer Graphics Group 
Computer Graphics and User Interfaces Laboratory 
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