1. Introduction to Computer Graphics
Graphics Laboratory
Korea University

2. Contents What is computer graphics? Main themes Applications
Graphics process

3. Inspirational Video Entirely computer-generated
"Geri's Game." (c) Pixar 1997

4. Exercise: Video Analysis
What is modeled or simulated to produce this video?
Representing (modeling) of objects
Illumination
Light refraction
Opacity
Shadows
Textures
Camera focus
Animation
Physics
Music
Scenario

5. What is Computer Graphics?
Producing pictures/images using a computer
Algorithms for visual simulations

6. Main Themes Imaging Modeling Rendering Animation
Representing 2D images
Modeling
Representing 3D objects
Rendering
Constructing 2D images from 3D models
Animation
Simulating changes over time

7. Imaging Generate an artistic image <Image Modification>
<Image Filtering>
<Morphing>

8. Modeling
Shape description & design

9. Rendering Simulating behavior of lights & image formation

10. <Motion Capture>
Animation
Motion representation & control
<Motion Blur>
<Motion Capture>

11. Animation Examples Motion Capture-Based Fluid Simulation

12. Applications Computer-Aided Design (CAD) Scientific Visualization
Training & Education
Computer Art
Entertainment

13. Computer-Aided Design
For engineering and architectural system
Design of building, automobile, aircraft, etc.
Los Angeles Airport
(Billy Jepson, UCLA)
Boeing 777 Airplane
(Boeing Corporation)
Gear Shaft Design
(Intergraph Corporation)

14. Scientific Visualization
For scientific, engineering, and medical data
Airflow inside a Thunder Strom (Bob Wilhelmson, Univ. of Illinois at Urbana-Champaign)
Apo A-1 (Theoretical Biophysics Group, Univ. of Illinois at Urbana-Champaign)
Visible Human (National Library of Human)

15. Training
Computer-generated models of physical, financial and economic systems
For educational aids
Flight Simulation
(NASA)
Driving Simulation
(Evans & Sutherland)

16. Education Forum of Trojan Human Skeleton (Bill Jepson, UCLA) (SGI)

17. E-Commerce Virtual Phone Store (Lucent Technology)
Interactive Kitchen Planner (Matsushita)

18. Computer Art Graphics for artist Blair Arch (Marissa Range ’98)

19. The Matrix : Revolutions, 2003
Entertainment
Graphics for movies, games, VR etc.
The Matrix : Revolutions, 2003
World of Warcraft, 2004

20. Graphic Process 3D Geometric Models Image Storage and Rendering
Display
Rendering 3D
Animation
Definition
Texture
Information

21. Graphics Process: Geometric Modeling
3D Scanning
Interactive
Geometric
Modeling 3D
Geometric
Models
Rendering
Modeling
Libraries
Displacement
Mapping

22. Graphics Process: Geometric Modeling

23. Geometric Process: 3D Animation
Motion Design
Motion
Computation 3D
Animation
Definition
Rendering
Motion
Capture
Dynamic
Deformations

24. Geometric Process: 3D Animation
The Incredibles, 2004

25. Graphics Process: Texturing
Scanned Images
Texture
Information
Captured
Images
Rendering
Painted Images

26. Graphics Process: Texturing

27. Graphic Process : Rendering
Geometric
Models
Rendering
Image
Storage
and
Display
Transformation,
Clipping,
Perspective
Image
Generation 3D
Animation
Definition
Texture
Information

28. Graphic Process : Rendering

29. Graphic Process: Image Storage and Display
Hardware
Framebuffer
Rendering
Film
Recorder
Disk
File
Video
Recorder