RESEACH AREAS:

Graphics and Image Analysis

Hardware Systems and Architectures

Mathematical and Theoretical Computing

Software Systems

Online (pdf) versions of the one- and two-page summaries of many of our research projects are listed below. You will need Adobe Acrobat to view them. (Download the free Acrobat Reader from Adobe's Web site).

Graphics and Image Analysis Research

Medical Image Analysis & Augmented Reality

• Virtual and Augmented Reality Visualization and Guidance for Minimally Invasive Surgery
• Medical Image Display and Analysis Projects
• Rodent Brain MR Image Analysis Studies
• Physically-based Simulation of Medical Procedures for Training and Planning

Computational Geometry

• Computational Geometry of Structural Biology
• Degree-driven Geometric Algorithm Design
• Terrain Modeling and Visualization
  

Effective Virtual Environments Projects

• Effective Virtual Environments
• Locomotion in Virtual Environments: Comparing Techniques and Using Redirection

Gamma Research Group Projects

• Accelerating Line of Sight Computation Using GPUs
• Collision Detection for Deformable Models - Techniques for both Discrete and Continuous
• Constraint-Based Motion Planning
• DAB: Interactive Haptic Painting with 3D Virtual Brushes
• DiFi: Fast 3D Distance Field Computation Using GPUs
• Dynamic Deformation Textures
• Dynamic Feature Guided Fluid Texturing
• Efficient Numerical Algorithms on Graphics Hardware
• Exact Solid Modeling
• Example-based Model Synthesis
• Fast and Reliable Collision Culling Using Graphics Hardware
• Fast Computation of Generalized Voronoi Diagrams Using Graphics Hardware
• Fast Computation of Database Operations Using Graphics Processors
• Fast Fluid Simulation Using Residual Distribution Schemes
• Fast Fractal Growth
• Fast Line-of-Sight Computations in Complex Environments Using GPUs
• Fast Penetration Depth Computation
• Generalized Penetration Depth Computation and Applications to Motion Planning
• GPU Accelerated Route Planning
• GPU-based Penetration Depth Computation for Haptic Texture Rendering
• H-Collide: A Framework for Fast and Accurate Collision Detection for Haptic Interaction
• Interactive and Exact Collision-Detection Systems
• Interactive Geometric Sound Propagation for Games
• Interactive Large-Scale Crowd Simulation
• Interactive Ray Tracing of Complex and Dynamic Scenes
• Interactive Sound Propagation using Frustum Tracing
• inTouch: Interactive Multiresolution Modeling and 3D Painting with a Haptic Interface
• Lightning Simulation and Rendering
• Modeling Hair using Levels-of-Detail
• Motion Planning
• Multi-Agent Planning and Crowd Simulation
• Pattern Formation in Ice
• Physically-based Motion Planning
• PIVOT: Proximity Information From Voronoi Techniques
• Quick-VDR: Interactive View-Dependent Rendering of Massive Models in Commodity GPUs
• Simulation and Rendering of Viscous Fluid Paint on GPUs
• Six Degree-of-Freedom Haptic Rendering
• Soft Articulated Body Simulation with Fast Contact Handling
• SWIFT: General Polyhedral Proximity Query
• 3D Polyheral Morphing Using Feature-Based Surface Decomposition
• Touch-Enabled 3D Model Design

Nanotechnology Research

• 3D Force Microscope
• Design and Evaluation of the Collaborative nanoManipulator
• The nanoManipulator: A Virtual-Reality Interface to Scanned-Probe Microscopes
• Fast Simulation of Microscopes for Training, Hypothesis Testing, and Model Refinement
• Virtual Lung Project Animated Film Series

Walkthrough Project

• HLODs: Hierarchical Levels of Detail
• MMR: Massive Model Rendering System
• Rapid Rendering of Massive Models

Other

• 3D Modeling from Multiple Views in the Presence of Occlusion
• 3D Reconstruction, Content Extraction, Human Motion Tracking Using Video
• Multi-Projector Display for Wide-Area Visuals
  
• Telepresence Wall: An Ultra High Resolution, Wall-Sized Telepresence Display for Groups
• Transparent Video Facetop
• Robot Motion Planning with Uncertainty
• MADAI: Modeling and Data Analysis Initiative

Hardware Systems and Architectures Research

• Virtual and Augmented Reality Visualization and Guidance for Minimally Invasive Surgery
• The nanoManipulator: A Virtual-Reality Interface to Scanned-Probe Microscopes
• Advanced Research on Graphics Hardware

Mathematical and Theoretical Computing Research

• Protein Function Inference Using Structure-Based Fingerprints
• MotifSpace: Mining Patterns in Protein Structures
• Scalable Dynamic Load Balancing for Task Parallel Programming Frameworks

Software Systems Research

• Overview of Research in Distributed Mobile and Collaborative Systems
• Design and Evaluation of the Collaborative nanoManipulator
• Supporting Mixed-Criticality Avionics Workloads on Multicore Platforms
• Supporting Complex Real-Time Workloads on Multicore Platforms
• Linux Testbed for Multiprocessor Scheduling in Real-Time Systems
• Scheduling and Certification of Mixed-criticality Systems
• Multiprocessor Real-Time Computing: Formal Foundations
• Enabling Next-Generation Multicore Platforms in Embedded Applications
• A Real-Time Linux for Multicore Platforms
• Real-Time Synchronization on Multicore Platforms
• Re-assessing the Foundations of Internet Data Transport
• Next-Generation Transport Protocols for Ultra-High Speed Networks