1. Joshua Barczak* CMSC 435 UMBC
Graphics Overview
Joshua Barczak*
CMSC 435
UMBC
* Numerous slides stolen verbatim from Dr. Marc Olano

2. Major Graphics Areas Modeling Rendering Animation Image Processing
User Interaction

3. Graphics Areas – Modeling
Deals with the mathematical specification of shape and appearance
Definition of surface
Interpolation rules
Reflection models 3 3

4. Graphics Area – Modeling
Shutterbug Image Series - Pixar 4 4

5. Graphics Areas – 3D Scanning
Inventor Connections 5 5

6. Graphics Areas – Rendering
Term inherited from art – create shaded images from computer models
Many techniques
Many styles of rendering 6 6

7. Graphics Areas – Rendering

8. Graphics Areas - Rendering

9. Graphics Areas – Rendering
Policarpo, F., Oliveira, M. M., and Comba, J. L Real-time relief mapping on arbitrary polygonal surfaces 9 9

10. Graphics Areas – Rendering
cgkit tutorial - Matthias Baas 10 10

11. Graphics Areas – Rendering
Anton L. Fuhrmann 11 11

12. Graphics Areas - Animation
Creating an illusion of motion using a sequence of images
Modeling changes in objects over time
Data sources:
Hand Animation
Physical Simulation
Motion Capture

13. Hand-Animation
cgmeetup.net tutorial

14. Physical Simulation
Pai et al. SIGGRAPH 2004

15. Motion Capture
Kevin Durant at Electronic Arts Motion Capture Studio - AP / Richard Lam 15 15

16. Graphics Areas – Image Processing
2D Image Manipulation
Resampling
Blurring/Sharpening
Compression
Feature Detection
Texture Synthesis

17. Graphics Areas – User Interaction
Deals with the interface between input devices, the application, and feedback to the user in imagery and other sensory feedback 17 17

18. Graphics Areas – User Interaction
iPhone - Apple 18 18

19. Applications – Video Games
Games touch on nearly everything
3D modeling
Animation/Simulation
Rendering
User interaction
Largest driver of consumer GFX hardware sales
The Legend of Zelda: Twilight Princess - Nintendo 19 19

20. Applications - Cartoons
Often rendered from 3D models
Traditional 2D use backgrounds rendered from 3D models 20 20

21. Applications – Animation
Luxo Jr - Pixar 21 21

22. Applications – Film Special Effects
Almost all graphics technologies
Digital compositing to superimpose filmed foregrounds onto backgrounds
Foregrounds with 3D models 22 22

23. Applications – Film Special Effects
300 - Warner Bros. Pictures 23 23

24. Applications – Film Special Effects
The Matrix - Warner Bros. 24 24

25. Applications - CAD/CAM
Used to model/design parts which directly guide the manufacturing process
Computer controlled milling devices 25 25

26. Applications - CAD/CAM26 26

27. Applications - CAD/CAM27 27

28. Applications – Simulation
“Accurate” video gaming
Flight & driving simulators
Situations which are too dangerous to costly to perform directly 28 28

29. Applications – Simulation
Lander Simulation & Training Solutions, S.A. 29 29

30. Applications – Simulation
Army Research Labs 30 30

31. Applications – Simulation
United States Navy 31 31

32. Applications – Medical Imaging
Create meaningful images of scanned patient data
MRI/CT scans of density values
Large amounts of data
Very small test sets have 256 × 256 × 128 ≈ 8.4 million samples 32 32

33. Applications – Medical Imaging
MRbrain dataset - The Stanford volume data archive 33 33

34. Applications – Medical Imaging
Levoy, M Display of surfaces from volume data 34 34

35. Applications – Information Visualization
Creates images of data which do not have a “natural” visual depiction
Finding patterns in data 35 35

36. Applications – Information Visualization
munterbund.de 36 36

37. Applications – Information Visualization37 37

38. Applications – Information Visualization
Robert J. Vanderbei 38 38

39. Project 1
Use RenderMan/Pixie (pixie.sourceforge.com) to create a C program to model a simple scene
Grading
Follow directions
Accuracy
Creativity/Effort

40. Project 1 Preparation Check out the sample code (see website)
Study the sample code
Experiment!
Scour the internet for documentation
In-depth discussion on Thursday…