selected current projects
Understand Human Behaviors in Multiparty ConversationsQuantifying, understanding, and modeling human behaviors and gestures when they are involved with multiparty conversations
Interactive Cage Generation for DeformationAn efficient complete pipeline to generate high quality cages for 3D models with arbitrary topological complexities, including high genus or complex models.
Interactive Mechanism Modeling from Multi-view Imagesdevelopment of a novel interactive mechanism modeling approach based on multi-view images including interactive 3D modeling and stochastic motion parameter estimation.
Hexahedral Mesh Re-parameterization from Aligned Base DomainsA first and complete pipeline to optimize the global structure of a hex-mesh, by identifying and removing those valid removal base-complex sheets that contain misaligned singularities.
Robust and Accurate Skeletal Rigging from Mesh SequencesUsing the input of an animated mesh sequence, this approach can automatically extract its optimal skeleton structure, joint positions, linear blend skinning weights, and the corresponding bone transformations.
Two-layer Sparse Compression of Dense-Weight Blend SkinningIt introduces an efficient two-layer sparse compression technique to substantially reduce the computational cost of a dense-weight skinning model, with insignificant loss of its visual quality.
Smooth Skinning Decomposition with Rigid BonesThe SSDR model can effectively approximate the skin deformation of nearly articulated models as well as highly deformable models by a low number of rigid bones and a sparse, convex bone-vertex weight map.
Realistic Traffic SimulationDesign of novel and efficient algorithms and systems to simulate large-scale realistic traffic in various road and urban settings.
Creative Virtual Tree ModelingA new method to efficiently generate a set of morphologically diverse and inspiring virtual trees through hierarchical topology-preserving blending, aiming to facilitate designers' creativity production.
Our paper "Robust Structure Simplification for Hex Re-meshing" was accepted to ACM SIGGRAPH Asia 2017 Conference as a full technical paper.
Our paper "Topologically Consistent Leafy Tree Morphing" won the Best Paper Award on the International Conference on Computer Animation and Social Agents (CASA) 2017.
Our paper "eye contact based speaker identification in multiparty conversations" was accepted to ACM CHI 2017 Conference as a full research paper.
I am officially promoted to a Full Professor at UH Computer Science Department, Effective on 9/1/2016 (after working exactly ten years at UH).
I together with Prof. Chen receive a new DoD DURIP grant to build a scalable high-fidelity visual computing infrastructure at University of Houston.
I receive a Faculty Academic Excellence Award in recognition extraordinary academic achievements from the Department of Computer Science at University of Houston, during the Department's 2015 annual award recognition event.
I receive a new NSF research grant to work on "Digitally Mediated Multi-party Communication" which starts on 9/1/2015.
I am appointed as the new Director of Graduate Studies in the Department of Computer Science at UH, which will be effective since September 2015.
Our paper titled "Hexahedral Mesh Re-parameterization from Aligned Base Domains" (with X. Gao and G. Chen) is accepted to ACM SIGGRAPH 2015 Conference as a technical paper.
I receive a Certificate of Excellence in recognition extraordinary achievements from College of Natural Sciences and Mathematics at University of Houston, during the Provost's 2014 award recognition luncheon.
I am a co-recipient of "Ten Year Technical Impact Award" (on ACM ICMI 2014 Conference) for my co-authored ICMI 2004 paper "Analysis of Emotion Recognition using Facial Expressions, Speech and Multimodal Information".
I serve as a general co-chair of ACM SIGGRAPH/Eurographics Symposium on Computer Animation (SCA) 2015 that will be held at Los Angeles, CA. Here is the official SCA 2015 website.
I co-instruct a half-day "Skinning: Real-time Shape Deformation" course (with A. Jacobson, L. Kavan, and J. Lewis) on the ACM SIGGRAPH 2014 Conference.
Our paper titled "Robust and Accurate Skeletal Rigging from Mesh Sequences" (with my PhD student Binh H. Le) was accepted to ACM SIGGRAPH 2014 Conference as a technical paper.