1. Introduction to Computer Graphics
Graphics Laboratory
Korea University
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2. Contents What is computer graphics? Main themes Applications
Graphics process
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3. Inspirational Video Entirely computer-generated
"Geri's Game." (c) Pixar 1997
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4. Exercise: Video Analysis
What is modeled or simulated to produce this video?
Representing of objects
Simulate light
Shadows
Textures
Camera focus
Opacity
Light refraction
Animation
Physics
Music
Story ideas
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5. What is Computer Graphics?
Producing pictures or images using a computer
Algorithms for visual simulations
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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
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7. Imaging Generate an artistic image <Image Modification>
<Image Filtering>
<Morphing>
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8. Modeling
Shape description & design
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9. Rendering Simulating behavior of lights & image formation
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10. <Motion Capture>
Animation
Motion representation & control
<Motion Blur>
<Motion Capture>
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11. Applications Computer-Aided Design (CAD) Scientific Visualization
Training & Education
Computer Art
Entertainment
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12. 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)
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13. 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)
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14. Training
Computer-generated models of physical, financial and economic systems
For educational aids
Flight Simulation
(NASA)
Driving Simulation
(Evans & Sutherland)
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15. Education Forum of Trojan Human Skeleton (Bill Jepson, UCLA) (SGI)
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16. E-Commerce Virtual Phone Store (Lucent Technology)
Interactive Kitchen Planner (Matsushita)
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17. Computer Art Graphics for artist Blair Arch (Marissa Range ’98)
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18. Entertainment Graphics for movies, games, VR etc. Jurassic Park
Final Fantasy
Jurassic Park
온라인 게임 “뮤”
(웹젠)
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19. Graphic Process 3D Geometric Models Image Storage and Rendering
Display
Rendering 3D
Animation
Definition
Texture
Information
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20. Graphics Process: Geometric Modeling
3D Scanning
Interactive
Geometric
Modeling 3D
Geometric
Models
Rendering
Modeling
Libraries
Displacement
Mapping
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21. Graphics Process: Geometric Modeling
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22. Geometric Process: 3D Animation
Motion Design
Motion
Computation 3D
Animation
Definition
Rendering
Motion
Capture
Dynamic
Deformations
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23. Geometric Process: 3D Animation
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24. Graphics Process: Texturing
Scanned Images
Texture
Information
Captured
Images
Rendering
Painted Images
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25. Graphics Process: Texturing
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26. Graphic Process : Rendering
Geometric
Models
Rendering
Image
Storage
and
Display
Transformation,
Clipping,
Perspective
Image
Generation 3D
Animation
Definition
Texture
Information
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27. Graphic Process : Rendering
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28. Graphic Process: Image Storage and Display
Hardware
Framebuffer
Rendering
Film
Recorder
Disk
File
Video
Recorder
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