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
Techniques - this work researches and develops various
2-handed 3D interaction techniques often with a focus on volume
Videos: Hybrid User Interface
Publications: [Li18][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: [Cho18] [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 physical space.
Interaction Techniques - this work research and develops
interaction techniques on our custom multi-touch table.
Videos: Hardware Overview Multi-touch Urban Growth Visualization
Publications: [Butkiewicz09] [Butkiewicz08a]
Rendering and Visualization Algorithms - these works develop
geometric algorithms for rendering and visualization of geo-spatial
Interaction Techniques - these works develop interaction
techniques for global, geospatial data that are applicable to
desktop user interfaces as well as VR UI's.
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.