8/16/99 Experiments in Motion (Capture). 8/16/99 Experiments in Motion Capture Project Course Week 3-5: Motion Capture Pipeline Assignments Then start.

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Presentation transcript:

8/16/99 Experiments in Motion (Capture)

8/16/99 Experiments in Motion Capture Project Course Week 3-5: Motion Capture Pipeline Assignments Then start group project (lots of experimenting) In parallel lectures on other art / science projects Everybody also does a 20min presentation on paper/project

8/16/99 Syllabus 01-26:Beliz on Dance / Mocap / Jitter / /02-16:Mocap Pipeline Assignments 02-23:More Project Examples 03-02: Project Brainstorming (maybe Salie Lecture) 03-09: Project Proposal due (+ Luke lecture / Chris gone) 03-16: Spring Break 03-23:Gaming + Mocap 03-30:Vison based Mocap 04-06: Progress Reports 04-13:Art + Mocap 04-20:Special Effects + Mocap 04-27:Facial Capture Final Slot: Project Presentations

8/16/99 Motion Capture Based Puppetry Virtual Actor System by SimGraphics Popovic

8/16/99 Characters to Animate Paul Kaiser / Merce Cunningham © Electronic Arts

8/16/99 Visual Tracking Visual Tracking: Unsolved for general settings

8/16/99 The Graphics Problem

8/16/99 The Vision Problem

8/16/99 The Motion Capture Problem Computer Model

8/16/99 Motion Capture: Standard Pipeline Multi-View High-Speed RecordingImage Feature Tracking View 1View D -> 3D Reconstruction Camera 1 3D Kinematic Model Fitting

8/16/99 Expressive mocap shoot

8/16/99 Motion Analysis Corp + Electronic Arts

8/16/99 The quest for Realism © Warner Bros & DreamWorks Pass the Turing Test ??? Final Fantasy -- Create Illusion on Screen © Square

8/16/99 “Satan’s Rotoscope” Controversy Performance-Capture: Mocap / Rotoscoping Traditional: Hand-Animated Pixar Electronic Arts

8/16/99 Most Characters are not real

8/16/99 Disney: Expressive Motion

8/16/99 Motion Reference

8/16/99 Motion Reference

8/16/99 “Satan’s Rotoscope” Controversy

8/16/99 "Artistic Fact or Optical Delusion? Culture: David Hockney claims many famous paintings were traced using camera-like devices"

8/16/99 Rotoscoping is everywhere Disney: Step-Mother  Eleanor Audley

8/16/99 “Satan’s Rotoscope” Controversy

8/16/99 Motion Capture Based Animation Pipeline ComputerVision

8/16/99 Motion Capture Based Animation Pipeline ComputerGraphics+Art

8/16/99 Vision Based Tracking

8/16/99 Tracking + Acquistion of Kinematics - Acquire Kinematic Chains. Kathy Pullen

8/16/99 Humans have no fixed axis

8/16/99 Nonrigid Examples Constrain

8/16/99 Motion Capture Modeling Synthesis From Pixels to 3D Blend Shapes (Torresani et al 2001)

8/16/99 Motion Capture Modeling Synthesis From Pixels to 3D Blend Shapes (Torresani et al 2001)

8/16/99 Video Rewrite (Bregler, Covell, Slaney, Interval) Pure Data Learning ControllerSample Based Pure Model

8/16/99 Variations in Full-Body non-cyclic Motions Kathy Pullen Motion Capture Modeling Synthesis Example Motion-Capture

8/16/99 Motion Texturing Key-Framed Animations Kathy Pullen Motion Capture Modeling Synthesis Different Motion-Textured Paths

8/16/99 Motion Capture Based Animation Pipeline ExpressiveAnimation

8/16/99 Turning to the Masters: Motion Capturing Cartoons Chris Bregler, Lorie Loeb, Erika Chuang, Hrishi Deshpande Stanford University [CB: Other picture coming]

8/16/99 Realm of Cartoon Capture

8/16/99 Turning to the Masters: Expressive Animations

8/16/99 Capture Cartoon Motions Example © Disney

8/16/99 Retarget Cartoon Motions © Disney

8/16/99 Examples © Disney

8/16/99 Examples

Examples

Realm of Cartoon Capture

8/16/99 Examples © Disney

8/16/99 Examples © Warner Bros.

8/16/99 Cartoon Capture Challenges 1.Can’t put optical markers on a cartoon 2.Low frame rate (24-30 fps) + animating on 2’s = large changes between frames 3. Often difficult to identify joint locations/large deformations

8/16/99 Performance Capture based Animation

8/16/99 Rotoscope / Mocap: History Rebecca Allen / Twyla Tharp: The Catherine Wheel Paul Kaiser / Merce Cunningham:  “Biped”

8/16/99 Project Start thinking about it now In-class brainstorming session Proposal with 2 Milestones Group work