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Introduction to Computer Graphics & Multimedia

컴퓨터 그래픽스

담당 : 전준철 교수Email: jcchun@kgu.ac.kr

연구실 : http://giplab.kyonggi.ac.kr

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What is Computer Graphics ?

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Introduction to Computer Graphics

• What is Computer Graphics? The technology associated with using

computer technology to convert created or collected data into visual representations

Model Transformation

Display

Modeling And Rendering © Walt Disney and TSL

Muscle ModelWireframe Model

Skeletal Model

Skin Hair Render and Touch up

© Walt Disney and TSL

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History of Computer Graphics

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SketchPad: first interactive graphics (1961)

Spacewars: first computer graphics game (MIT 1961)Whirlwind: early graphics using VectorScope (1951)

first CAD system (IBM 1959)

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First bump-mapped images (Blinn 1978) Early texture-mapped image (Catmull 1974)

First distributed ray traced image (Cook 1984)

First ray traced image (Whitted 1980)

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Terminator

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국내 : 구미호 (1994 년 )

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Host (2006 년 )

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국내 : 괴물 (2006 년 )

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D-War 2007

D-War (2007 년 )

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Avatar (2009 년 )

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Application of Computer Graphics & Multimedia

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Fully computer generated animated features

Movies

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“Traditional” Animated Features…

Some examples:

• Automating Keyframing in many Disney-type animations

• The flocking behaviour of the wilderbeest in Lion King

•Non photorealistic rendering: 3D effects in Futurama

Movies

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Behind the scenes on Antz ProductionNumber of frames in the movie 119,592

Number of times the movie was rendered during production 15 (approx.)

Number of feet of approved animation produced in a week 107 ft.

Total number of hours of rendering per week 275,000 hrs.

Average size of the frame rendered 6 MB

Total number of Silicon Graphics servers used for rendering 270

Number of desktop systems used in production 166

Total Number of processors used for rendering 700

Average amount of memory per processor 256 MB

Time it would have taken to render this movie on 1 processor 54 yrs., 222 days, 15 mins., 36 secs.

Amount of storage required for the movie 3.2 TB

Amount of frames kept online at any given time 75000 frames

Time to re-film out final cut beginning to end 41.5 days (997 hrs.)

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Layout and Design

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Scientific Visualization and Analysis( 과학적 가시화 )

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Scientific Visualization and Analysis( 과학적 가시화 )

- Scientific Visualization

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Medicine and Virtual Surgery( 의료분야 /가상 시술 )

- Scientific Visualization

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Medicine and Virtual Surgery( 의료분야 /가상 시술 )

- Scientific Visualization

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25The Visible Human project

Medicine and Virtual Surgery( 의료분야 /가상 시술 )