3D Display: Distortion, Perception, and Algorithms -
this work research and develops algorithms and analysis of
3D distortion of the stereoscopic 3D image in 3D displays
Interaction Techniques - this work researches and
develops various 2-handed 3D interaction techniques often
with a focus on volume data.
Videos: Hybrid User Interface
Publications: [Cho14a][Cho13][Wang12][Ulinski09, Ulinski07a, Ulinski07b]
Virtual Environment Interaction Techniques - this work
researches interaction techniques for multi-scale virtual
environments where travel requires adjusting 7
degrees-of-freedom, the 6 Euclidean ones plus scale.
Videos: Cursor-Offsets Spindle+Wheel Multi-Scale Navigation Two-handed Decision VR
Publications: [Feng15] [Li15a][Cho15a][Cho14c][Wartell09][Houtgast05][Wartell99c][Durbin98]
Walking Interaction Techniques - this work research
and develops techniques that allows a person to physically
walk through a virtual space that is much larger than the
Status: Ph.D. graduate Evan Suma is now at ICT. I'm currently seeking interested students for individual study projects.
Interaction Techniques - this work research and
develops interaction techniques on our custom multi-touch
Videos: Hardware Overview Multi-touch Urban Growth Visualization
Publications: [Butkiewicz09] [Butkiewicz08a]
Status: Ph.D. co-advisee Amy Ingram continues this work.
Rendering and Visualization Algorithms - these works
develop geometric algorithms for rendering and visualization
of geo-spatial data.
Status: Ph.D. advisee Jailei Li investigates applying computer graphic geometric algorithms to terrain analysis through a grant from ARO.
Interaction Techniques - these works develop
interaction techniques for global, geospatial data that are
applicable to desktop user interfaces as well as VR UI's.
Status: Research scientist Xiaoyu Wang continues spin-off projects on multi-touch geo-spatial visual analytics.
Georgia Institute of Technology, 1990-1994
Bachelor of Science in Computer Science, Highest Honors (GPA 3.8)
Specialized in computer graphics and usability, systems software, and computer hardware design.