Richard Holloway

Me with my second daughter, Bergen Leigh, when she was about 2.

My dissertation (finished in 1995) was a study of registration errors in augmented reality systems (ie., why AR is hard). My advisor was Frederick P. Brooks, Jr. My research interests include 3D graphics, augmented reality, virtual reality, medical imaging, and visualization.

Since leaving UNC:

• Worked on the PixelFlow project at Division Inc, and at Hewlett Packard until the project was cancelled in the fall of 1997.

• Worked from 1998-2001 at Volumetrics Medical Imaging in Durham as a principal software engineer. I worked on the system software architecture, volume rendering, and data visualization. Volumetrics doesn't have a web page, but the Ecoscan website describes the system somewhat.

  Here's a blurb on the volume rendering with the Volumetrics 3D ultrasound machine that appeared in Time magazine in December 2000. They got a few things mixed up here: it's not a picture of a baby, it's a picture of a catheter in the left ventricle of the heart (marked with a 'C' in the lower image); the volume rendering work itself wasn't done at Duke, but the base 3D ultrasound technology was developed in the biomedical engineering department there, and this image was captured in the catheter lab at Duke Medical Center. Finally, they make it sound as if 3D ultrasound and real-time volume rendering are the same thing, and they're not. Oh well... at least they got the picture in there!

• VP of Engineering at 3rdTech (www.3rdtech.com). from 2001-2004, working on commercialization of the Deltasphere laser scanner and Hiball tracker.

• Senior software engineer/project lead at Hifn, Inc. (www.hifn.com).

• System software manager at NVIDIA (www.nvidia.com).

For more info on UNC's graphics research, see the UNC Computer Science Department graphics web page. A good starting place for looking at other AR web pages is Jim Vallino's AR page.

Publications

(Note: UNC tech reports are available here.)

• Holloway, Richard. 1995. Registration errors in augmented reality systems. PhD dissertation, University of North Carolina at Chapel Hill. TR95-016. [Abstract (plain text)] [Full text (PDF)].

• Holloway, Richard. 1995. Registration error analysis for augmented reality. Presence 6:4; also published in an Augmented Reality book by Erlbaum Press, and also as UNC technical report TR95-001. [gzipped Postscript (24 pages, 989K)]

• Rolland, J, R Holloway, H Fuchs. 1994. A Comparison of Optical and Video See-Through Head-Mounted Displays. Proc. SPIE Telemanipulator and Telepresence Technologies. Vol. 2351. Oct. 31 - Nov. 4. Boston.

• Robinett, Warren, and Richard Holloway. 1994. The visual display transformation for virtual reality. Presence 4(1). Also UNC technical report TR94-031.

• Holloway, Richard and Anselmo Lastra. 1993. Virtual Environments: A Survey of the Technology. Eurographics '93: Notes for tutorial TN3. Barcelona, Spain. (Also republished in SIGGRAPH 1994 Course Notes, 17 (pp. A:1- A:36). New York, NY: ACM.)

• Holloway, Richard. 1992. Viper: A Quasi-Real-Time Virtual-Worlds Application. Technical report TR92-004, University of North Carolina at Chapel Hill.

• Robinett, Warren, and Richard Holloway. 1992. Implementation of Flying, Scaling and Grabbing in Virtual Worlds. Proceedings of 1992 Symposium on Interactive 3D Graphics. Cambridge, MA. March 29 - April 1. [gzipped Postscript version (522 Kbytes)]

• Holloway, Richard, Henry Fuchs, Warren Robinett. 1992. Virtual-Worlds Research at the University of North Carolina at Chapel Hill as of February 1992. Visual Computing (Proceedings of CG International '92). Tokyo, Japan. 23-26 June 1992. Springer-Verlag.

• Holloway, Richard, Henry Fuchs, Warren Robinett. 1991. Virtual-Worlds Research at the University of North Carolina at Chapel Hill. Proceedings of Computer Graphics. London. November 5-7. pp 181-196.

• Holloway, Richard. 1990. Art-Related Virtual Reality Applications at the University of North Carolina at Chapel Hill. Proceedings of the Second International Symposium on Electronic Art. Groningen, Holland. November 12-16. pp 115-128.

• Chung, James, M Harris, F Brooks, H Fuchs, M Kelley, J Hughes, M Ouh-Young, C Cheung, R Holloway, M Pique. 1989. Exploring virtual worlds with head-mounted displays. Proc. SPIE Non-holographic true 3-dimensional display technologies. Vol 1083. Los Angeles. Also UNC technical report TR89-009.

• Holloway, Richard. 1987. Head-mounted display technical report. Dept. of Computer Science, University of North Carolina at Chapel Hill. TR87-015.