Research Interests

?Computer Graphics, Computer Vision, Multimedia, Biometrics

Image Processing, Human-Computer Interface

Education

Ph.D., Computer Science, Aug 2003
University of North Carolina at Chapel Hill (UNC-CH), Chapel Hill, NC

M.S., Computer Science, February 1998
?Columbia University, New York, NY

Teaching Experience

Fall 2004, Fall 2006: Instructor
?/span>CS 635 Image Processing, the University of Kentucky

Spring 2004, Fall 2005: Instructor
?/span>CS 684 Image-based Modeling and Rendering, the University of Kentucky

Fall 2003, Spring 2005: Instructor
?/span>CS 335 Graphics and Multimedia, the University of Kentucky

Summer, 2002: Instructor

COMP 04 Power Tools of the Mind, UNC-CH

Spring, 1998:?/span>Teaching Assistant

COMP 239 Exploring Virtual World, Instructor: Henry Fuchs, UNC-CH

?/span>Fall, 1997: Teaching Assistant
?/span>CS 3823 Digital Logic, Instructor: Stephen Unger, Columbia University

Publication

Journal and book chapters

1. Ruigang Yang and Greg Welch. Fast Image Segmentation and Smoothing Using Commodity Graphics Hardware, Journal of Graphics Tools, special issue on "Hardware-Accelerated Rendering Techniques", 7(4):91-100, 2003.

2. Yang, Ruigang, Marc Pollefeys, Hua Yang and Greg Welch. A Unified Approach to Real-Time, Multi-Resolution, Multi-Baseline 2D View Synthesis and 3D Depth Estimation using Commodity Graphics Hardware, International Journal of Image and Graphics (IJIG), 4(4): 1-25 (invited submission).

3. Ruigang Yang and Greg Welch, Real-Time Consensus-Based Scene Reconstruction using Commodity Graphics Hardware, Computer Graphics Forum 2004 (invited submission).

4. Ruigang Yang and Zhengyou Zhang, Eye Gaze Correction with Stereovision for Video-Teleconferencing, IEEE Transactions on Pattern Analysis and Machine Intelligence (PAMI), 26(7): 956-960, 2004

5. Greg Welch, Ruigang Yang, Sascha Becker, Adrian Ilie, Dan Russo, Jesse Funaro,?Andrei State, Kok-Lim Low, Anselmo Lastra, Herman Towles, Bruce Cairns M.D., Henry Fuchs and Andy van Dam, Immersive Electronic Books for Surgical Training, in IEEE Multimedia, 12(3):22-35, 2005

6. Michael S. Brown, Aditi Majumder, Ruigang Yang, Camera-Based Calibration Techniques for Seamless Multi-Projector Displays, in IEEE Transactions on VISUALIZATION AND COMPUTER GRAPHICS (TVCG), 11(2): 193-206, 2005.

7. Ruigang Yang and Marc Pollefeys, A Versatile Stereo Algorithm on Graphics Hardware, Journal of Real-time Imaging, 11(1), 7-18, 2005.

8. Daniel L. Lau and Ruigang Yang, Real-Time Multispectral Color Video Recording Using Off-the-Shelf Cameras, Journal of Real-time Imaging, 11(2):109-116, 2005.

9. Ruigang Yang, Herman Towles, Andrew Nashel, Celso Setsuo Kurashima, and Marcelo Knörich Zuffo Immersive Video Teleconferencing with User-Steerable Views, to appear in the Presence: Teleoperators and Virtual Environments.

10. Greg Welch, Diane Sonnenwald, Ketan Mayer-Patel, Ruigang Yang, Andrei State, Herman Towles, Bruce Cairns, and Henry Fuchs, ?i style='mso-bidi-font-style:normal'>Remote 3D Medical Consultation,?to appear in the Journal of Mobile Multimedia (JMM).

11. Ruigang Yang, David Guinnip, and Liang Wang, View-Dependent Textured Splatting, the Visual Computer, 22(7): 456-467, 2006.

12. Zhengyou Zhang, Zicheng Liu, and Ruigang Yang, ?i style='mso-bidi-font-style:normal'>Model-based Face Modeling and Tracking With Application to Videoconferencing? in W. Zhao and R. Chellappa, editors, Face Processing: Advanced Modeling and Methods, Chapter 15, pp. 463-517, Academic Press, Elsevier, 2006.

13. Liang Wang, Ruigang Yang, James E. Davis: BRDF Invariant Stereo Using Light Transport Constancy, to appear in IEEE Transactions on Pattern Recognition and Machine Intelligence (PAMI)?

14. Huaming Wang,?Mingxuan Sun, and Ruigang Yang, ?i style='mso-bidi-font-style:normal'>Space-time Light Field Rendering? to appear in IEEE Transactions on Visualization and Computer Graphics (TVCG)

Conference

1. Ruigang Yang and Peter Allen, Registering, Integrating, and Building CAD Models from Range Data, IEEE International Conference on Robotics and Automation '98, Belgium.

2. Ruigang Yang, Michael S. Brown, W. Brent Seales, Henry Fuchs. Geometrically Correct Imagery for Teleconferencing, in Proceedings from the Seventh ACM International Conference on Multimedia, October 30 - November 5, 1999.

3. Ramesh Raskar, Michael S. Brown, Ruigang Yang, Wei-Chao Chen, Greg Welch, Herman Towles, Brent Seales, Henry Fuchs, Multi-Projector Displays Using Camera-Based Registration, Proceedings of IEEE Visualization 99, pp. 161-168.

4. Ruigang Yang and Greg Welch, Automatic Projector Display Surface Estimation Using Every-Day Imagery, presented by Herman Towles at the 9th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision 2001. Plzen, Czech Republic.

5. Ruigang Yang, David Gotz, Justin Hensley, Herman Towles and Mike Brown. PixelFlex: A Reconfigurable Multi-Projector Display System. IEEE Visualization 2001.

6. Ruigang Yang and Zhengyou Zhang, Eye Gaze Correction with Stereovision for Video-Teleconferencing, The seventh European Conference on Computer Vision (ECCV 2002)?May 27 ?June 2, 2002, Copenhagen, Denmark.

7. Ruigang Yang and Zhengyou Zhang. Model-based Head Pose Tracking With Stereovision, in the Fifth IEEE International Conference on Automatic Face and Gesture Recognition 2002 (FG 2002), May 20?1, 2002, Washington, D.C.

8. Kurashima, Celso, Ruigang Yang, and Anselmo Lastra. Combining Approximate Geometry with View-Dependent Texture Mapping - A Hybrid Approach to 3D Video Teleconferencing, SIBGRAPI 2002, XV Brazilian Symposium on Computer Graphics and Image Processing (07 - 10 October 2002, Fortaleza, CE, Brazil)

9. Ruigang Yang, Greg Welch, Gary Bishop. Real-Time Consensus-Based Scene Reconstruction using Commodity Graphics Hardware, in Proceedings of Pacific Graphics 2002. Tsinghua University, Beijing, China (October 9-11, 2002). A short version in Technical Sketch SIGGRAPH 2002.

10. Andries van Dam, Henry Fuchs, Sascha Becker, Loring Holden, Adrian Ilie, Kok-Lim Low, Anne Morgan Spalter, Ruigang Yang, and Greg Welch. Immersive Electronic Books for Teaching Surgical Procedures, in Proceedings of CREST Symposium, ICAT 2002. The University of Tokyo, Tokyo, Japan (Dec 3, 2002).

11. Ruigang Yang, Celso Kurashima, Andrew Nashel, Herman Towles, Anselmo Lastra, Henry Fuchs, Creating Adaptive Views for Group Video Teleconferencing? -- An Image-Based Approach, International Workshop on Immersive Telepresence (ITP 2002) December 6, 2002, Juan Les Pins, France.

12. Herman Towles, Wei-Chao Chen, Ruigang Yang, Sang-Uok Kum, Henry Fuchs, Nikhil Kelshikar, Jane Mulligan, Kostas Daniilidis, Loring Holden, Bob Seleznik, Amela Sadagic, Jaron Lanier, 3D Tele-Collaboration Over Internet2, International Workshop on Immersive Telepresence (ITP 2002) December 6, 2002, Juan Les Pins, France.

13. Ruigang Yang and Marc Pollefeys. Multi-Resolution Real-Time Stereo on Commodity Graphics Hardware, pp211-218, CVPR 2003

14. Ruigang Yang, Marc Pollefeys, and Greg Welch. Dealing with Textureless Regions and Specular Highlights—A Progressive Space Carving Scheme Using a Novel Photo-consistency Measure, pp 576-584, ICCV 2003

15. Ruigang Yang, Marc Pollefeys, Sifang Li, Improved Real-Time Stereo on Commodity Graphics Hardware, IEEE Workshop on Real Time 3D Sensors and Their Use (In conjunction with CVPR '04)

16. David Guinnip and Shuhua Lai, Ruigang Yang, View-Dependent Textured Splatting for Rendering Live Scenes, SIGGRAPH Poster, 2004.

17. Ruigang Yang, Andrew Nashel, and Herman Towles, Towards 3D Video-teleconferencing, ACM Workshop on Effective Telepresence (ETP 2004).

18. Ruigang Yang, Scientific Computing Using Graphics Hardware, International Symposium on Computational and Information Sciences (CIS'04) 2004, Shanghai, China.

19. D. L. Lau, R. Yang, A. M. Tan, W. Su, and L. G. Hassebrook, Multi-Spectral Color Acquisition and Display Using Commodity Hardware, Proceedings of Applications of Digital Image Processing XXVII, SPIE, vol. 5558-69, Denver, Colorado, August 2004.

20. Greg Welch, Ruigang Yang, Bruce Cairns, M.D., Herman Towles, Andrei State, Adrian Ilie, Sascha Becker, Dan Russo, Jesse Funaro, Diane Sonnenwald, Ketan Mayer-Patel,B. Danette Allen, Hua Yang, Eugene Freid, M.D., Andy van Dam, and Henry Fuchs. 3D Telepresence for Off-Line Surgical Training and On-Line Remote Consultation. Proceedings of ICAT CREST Symposium on Telecommunication, Teleimmersion, and Telexistence, December 2004.

21. Ruigang Yang,, Shunnan Chen, Xinyu Huang, Sifang Li, Liang Wang, and Chris Jaynes, Towards the Light Field Display, VR 2005 workshop on Emerging Display Technologies.

22. Huaming Wang and Ruigang Yang, Towards Space-time Light Field Rendering, in ACM SIGGRAPH 2005 Symposium on Interactive 3D Graphics and Games, pp 125 ?132, 2005.

23. Minglun Gong and Ruigang Yang: Image-Gradient-Guided Real-Time Stereo on Graphics Hardware. 3DIM 2005: 548-555

24. Mingxuan Sun, Ruigang Yang, Lin Yun, George Landon, W. Brent Seales, Michael S. Brown: Geometric and Photometric Restoration of Distorted Documents. ICCV 2005: 1117-1123

25. James E. Davis,