1. Research in Computer Graphics, Visualization and Human- Computer Interaction CSc 8900/9900 Ying Zhu Associate Professor Department of Computer Science Georgia State University

2. 2 About Me Joined the CS department in 2003 Received my PhD from George Mason U Director of Hypermedia and Visualization Lab since 2006 http://www.cs.gsu.edu/yzhu

3. My Research Interests 3D Computer Graphics Data visualization –Data mining and visualization Human-computer interaction 3

4. 4 Outline of this talk Overview of computer graphics and visualization My courses My research projects

5. 5 Computer graphics 3D graphics are everywhere: movie, TV, advertisement, architecture, CAD, etc.

6. Computer graphics Graphics hardware is more powerful and cheaper than ever 6

7. Advanced visual interface Advanced visual interface will be crucial for future digital products Traditional interface will be replaced by more visual, direct manipulate user interface

8. 8 Data visualization Information visualization

9. Research problems How to make 3D games more adaptable to mobile device? How to speed up physics simulation in 3D graphics programs? –Parallel processing? How to better manage very large scale terrain databases? –E.g. large scale online multi-player virtual worlds How to deal with synchronization problems in online multi-player games? 9

10. Research problems How to better support online collaborative data visualization design? –E.g. Wikipedia of data visualization How to automatically generate visualization designs? How to better visualize massive data sets in your own research field? 10

11. 11 Graphics/visualization/HCI Courses CSc8820: Advanced Graphics Algorithms CSc6820: Computer Graphics Algorithms –Real-time graphics, OpenGL, GPU programming CSc6840: Computer Graphics Imaging –3D modeling CSc6841: Computer Animation CSc6730: Scientific Visualization CSc6720: Human Computer Interaction

12. My Research projects 3D Computer Graphics –Vehicle-terrain interaction –3D graphics simulation for neuroscience Data visualization –Text mining and visualization –Large scale visualization wall –Visualization of neurons –Computer security visualization Graphical password 12

13. 13 Realistic Simulation of Vehicle- Terrain Interaction Physically realistic simulation of vehicle terrain interaction

14. 14 AnimatLab Biologically realistic simulation of animal behavior

15. 15 Example: simulating crayfish escape behavior

16. 16 Visualizing neurons Visualization of Neurons and Neuron circuits

17. 17 Computer Security Visualization Computer security data visualization

18. Graphical password Using pictures as passwords –Less vulnerable to conventional attacks –Suitable for mobile devices –Is it really more secure than text passwords? –How to break a picture password? –Interesting user behavior patterns – vulnerable to behavior based attacks? 18

19. Large scale visualization wall 19

20. Text mining and visualization Visualizing the readability and complexity of text documents 20

21. Text mining and visualization Use Latent Semantic Analysis to identify patterns in the documents 21

22. 22 Thank you E-mail: yzhu@cs.gsu.edu Phone: 404-413-5713 My webpage: http://www.cs.gsu.edu/yzhuhttp://www.cs.gsu.edu/yzhu