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Digital Visual Effects

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Course overview

Digital Visual Effects, Spring 2006 Yung-Yu Chuang

2006/2/22

Logistics

• Meeting time: 1:20pm-4:20pm, Wednesday (3 off-days, 3/29, 4/5, 6/1)

• Classroom: CSIE Room 111

• Instructor: Yung-Yu Chuang (cyy@csie.ntu.edu.tw)

• Teaching assistants: 楊善詠/黃子桓

• Textbook: Readings from books, journals and proceedings.

• Webpage: (user name/password) http://www.csie.ntu.edu.tw/~cyy/vfx

• Mailing list: vfx@cmlab.csie.ntu.edu.tw subscribe via https://cmlmail.csie.ntu.edu.tw/mailman/listinfo/vfx/

Prerequisites

• It is a plus if you have background knowledge on computer vision, image processing and computer graphics.

• It is a plus if you have access to digital cameras

and camcorders.

Why this course?

(2)

Digital Visual Effects

updated listing

This course is not about…

It isn’t about photography It isn’t about 3D animations

(3)

It isn’t about watching movies It isn’t about physical effects

It’s not about industrial tricks

computer vision

computer graphics

image processing

Visual effects tricks

(4)

Stop action

The execution of Mary, 1895

Glass shot

Rear projection

King Kong, 1933

Special effects (physical effects)

(5)

Special effects (make-up) Special effects (miniature)

Special effects (matte painting) Special effects (sound)

(6)

Production pipeline

Production pipeline

Preproduction Production

Post-production

Artwork Reference Stills Plates

Storyboard

Editing VFX

Music

Sound

Film

Effects

Preproduction

Storyboard

Preproduction

Artwork

(7)

Preproduction

Reference & Research

Production

Shooting

Post-production Visual effects production

Preproduction Production

Post-production

Artwork Reference Stills Plates

Model Geometry

Skinning

Effects Animation

Character Animation

Lighting and Rendering Compositing Matchmove and Matchmodel

Assets Shots

Skeleton

Scanning

Film Recording Textures

Materials Storyboard

Effects

(8)

Visual effects post-production

A case study

405: The Movie

• This movie were created solely by two visual effects artists in the year of 2000. It was a process that took over three months of nights, weekends and any spare moments that they could find.

• http://www.405themovie.com/

405: The Movie

(9)

Making of 405

Step 0: script and shooting plan

Making of 405

Step 1: shooting

two days with a Canon Optura DV camera with progressive mode.

Ö a 70-minute raw footage initial editing

Ö pickup shots

Making of 405

Step 2: building CG world

total 62 shots, 42 enhanced with digital VFX.

19 shots are entirely digital creations.

plane, two cars, freeway background are digital

photo-based 3D environment

Making of 405

Real cars were used for close-up and interior shots

A low-resolution mesh scanned by a cyberscanner.

Mapped with photographs.

(10)

Making of 405

DC-10 plane took a month to model in details for the needs of close-up shots.

59 objects, 142,439 polygons

reference modeling material painting

Making of 405

close-up shots

Step 3: traffic clearing

inpainting

clean plate

Making of 405

shot with the vehicle standing still in a backyard Step 4: compositing

Making of 405

(11)

Making of 405

Step 5: fine touchup

3D hat compositing and inpainting

Making of 405

Step 6: music and delivery

Topics we plan to cover

Camera

Canon 10D

(12)

High dynamic range imaging/display Image warping/morphing

video

someone very famous

someone not that famous

Tracking

Feature tracking

Image stitching

(13)

MatchMove

Move matching using scene planes

Matchmove

Move matching using scene planes

Matchmove

Move matching using scene planes

Video matching

MOCO (Motion control camera) Matrix

(14)

Video matching

Video matching

Matting and compositing

Titanic

Matting Object selection

LazySnapping

(15)

Image manipulation

GraphCut Texture

Image manipulation

Poisson blending

Image-based modeling

photogrammetric modeling and projective texture-mapping

Image-based modeling

photogrammetric modeling and projective texture-mapping

(16)

Image-based modeling

photogrammetric modeling and projective texture-mapping

Image-based modeling

Tour into a picture

Image-based modeling

Tour into a picture

3D photography (active)

Cyberware whole body scanner

(17)

3D photography (active)

Photometric stereo

3D photography (passive)

Stereo

left right

depth

Image-based rendering

Surface lightfield

View interpolation

Bullet time video

(18)

View interpolation

High-Quality Video View Interpolation

Making face

Spacetime face Gollum

Video rewrite

Trainable videorealistic speech animation

Inpainting (wire removal)

Inpainting

(19)

Texture synthesis/replacement

Texture replacement

Semi-automatic matting painting

Image analogies

Video editing

Flow-based video editing

Grading

• 3 programming assignments (50%)

– HDR Imaging – AutoStitch – MatchMove

• Class participation (5%)

• Final project (45%)

– Research – System – Film

(20)

High dynamic range imaging AutoStitch

MathMove

Final projects from a similar course

in Georgia Tech.

(21)

Beauty Cream 9001

Beauty Cream 9001, GaTech DVFX 2003

Face tracking

Making of Beauty Cream 9001

Das Tattoo

Das Tattoo, GaTech DVFX 2003

Feature tracking

Making of Das Tattoo

(22)

Life in Paints

Life in Paints, GaTech DVFX 2003

Tour into pictures

Making of Life in Paints

In Your Face

In Your Face, GaTech DVFX 2002

Stop action

Making of In Your Face

(23)

Final projects from last year.

YoYo Flight

Making of YoYo Flight That’s it for today!

• Don’t forget to subscribe the mailing list.

• Check out the course website.

參考文獻

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