introduction to computer graphics -...

Introduction to Computer Graphics

Jung Lee

Korea University Computer Graphics Lab.

Jung Lee | March 8, 2012 | # 2 KUCG |

Contents

• What is Computer Graphics?

• Demo Video

• Graphics Process

• Technical Demo



What is Computer Graphics?

• Producing images using a computer

• Algorithms for Visual Simulations



Demo Video (1/8)

[Geri’s game, 1997]



Demo Video (2/8)

[The Curious Case of Benjamin Button, 2008]



Demo Video (3/8)

[UP, 2009]



Demo Video (4/8)

[추노, 2010]



Demo Video (5/8)

[The Last Airbender, 2010]



Demo Video (6/8)

[Inception, 2010]



Demo Video (7/8)

[Tangled, 2011]



Demo Video (8/8)

[X-Men 5 : First Class, 2011]



CG Production Process Example 1

[태풍, 2005]



CG Production Process Example 2

[Avatar, 2008]



Graphic Process

3D Geometric

Models

3D Animation Definition

Rendering Image

Storage & Display

Imaging & Texturing



Graphics Process : Geometric Modeling

3D Geometric

Models Rendering

3D Scanning

3D Modeling Tool

Modeling Libraries

Displacement Mapping



Geometric Modeling Techniques

[Curved Surface] [Constructive Solid Geometry]

[Scanned Point Cloud] [Subdivision Surface]



Geometric Modeling Examples



Modeling in Practical Area

[Final Fantasy : The Spirits Within, 2001]



Geometric Process : 3D Animation

3D Animation

Rendering

Motion Design

Physically Based Simulation

Motion Capture

Dynamic Deformation



Geometric Process : 3D Animation

• Motion Representation & Control

[Motion Blur] [Motion Capture, Avatar(2009)]



3D Animation Example

[Embedded Deformation for Shape Manipulation] (Robert W. Summer et al., SIGGRAPH 2007)



Graphic Process : Imaging

[Image Modification] [Image Filtering]

[Morphing]

morph.swf



Graphics Process : Texturing

Texture Information

Rendering

Scanned Images

Painted Images

Captured Images



Texturing Examples

[Final Fantasy : The Spirits within, 2001]



Graphic Process : Rendering

Texture Information

3D Animation

3D Geometric Models

Rendering

Transformation, Clipping,

Perspective

Image Generation

Image Storage

and Display



Graphic Process : Rendering

• Simulating Lights & Image Formation



Graphic Process : Image Storage & Display

Hardware Framebuffer

Rendering

Disk File

Film Recorder

Video Recorder



Technical Demo : Physics Based Simulation (1/2)



Technical Demo : Physics Based Simulation (2/2)



Technical Demo : Flame Simulation

[Wrinkled Flames and Cellular Patterns] (J. M. Hong et al., SIGGRAPH 2007)



Technical Demo : Hair Simulation

[Hair Simulation, 2005]



Technical Demo : Water Simulation

[Discontinuous Fluids, SIGGRAPH 2005]



Technical Demo : Liquid Jet Simulation

[Discontinuous Fluids, SIGGRAPH 2005]



Technical Demo : Bubble Simulation

[Bubbles Alive, SIGGRAPH 2008]



Technical Demo : Fire Simulation

[Wrinkled Flames and Cellular Patterns, SIGGRAPH 2007]



Technical Demo : Cloth Simulation

[Wrinkled Flames and Cellular Patterns, SIGGRAPH 2007]



Application : Computer Aided Design(CAD)

• For Engineering and Architectural System Design of building, automobile, aircraft, etc.

[Architectural Design] [Computer Aided Sculpture] [Mechanical Parts]



Application : Scientific Visualization

• For Scientific, Engineering, and Medical Data

[Medical Display]



Application : Game

[Diablo 3, 2012]

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