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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 on theme: "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."— Presentation transcript:

1 8/16/99 Experiments in Motion (Capture)

2 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

3 8/16/99 Syllabus 01-26:Beliz on Dance / Mocap / Jitter 02-02 / 02-09 /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

4 8/16/99 Motion Capture Based Puppetry Virtual Actor System by SimGraphics Popovic

5 8/16/99 Characters to Animate Paul Kaiser / Merce Cunningham © Electronic Arts

6 8/16/99 Visual Tracking Visual Tracking: Unsolved for general settings

7 8/16/99 The Graphics Problem

8 8/16/99 The Vision Problem

9 8/16/99 The Motion Capture Problem Computer Model

10 8/16/99 Motion Capture: Standard Pipeline Multi-View High-Speed RecordingImage Feature Tracking View 1View 2 3 12 4 2D -> 3D Reconstruction Camera 1 3D Kinematic Model Fitting

11 8/16/99 Expressive mocap shoot

12 8/16/99 Motion Analysis Corp + Electronic Arts

13 8/16/99 The quest for Realism © Warner Bros & DreamWorks Pass the Turing Test ??? Final Fantasy -- Create Illusion on Screen © Square

14 8/16/99 “Satan’s Rotoscope” Controversy Performance-Capture: Mocap / Rotoscoping Traditional: Hand-Animated Pixar Electronic Arts

15 8/16/99 Most Characters are not real

16 8/16/99 Disney: Expressive Motion

17 8/16/99 Motion Reference

18 8/16/99 Motion Reference

19 8/16/99 “Satan’s Rotoscope” Controversy

20 8/16/99 "Artistic Fact or Optical Delusion? Culture: David Hockney claims many famous paintings were traced using camera-like devices"

21 8/16/99 Rotoscoping is everywhere Disney: Step-Mother  Eleanor Audley

22 8/16/99 “Satan’s Rotoscope” Controversy

23 8/16/99 Motion Capture Based Animation Pipeline ComputerVision

24 8/16/99 Motion Capture Based Animation Pipeline ComputerGraphics+Art

25 8/16/99 Vision Based Tracking

26 8/16/99 Tracking + Acquistion of Kinematics - Acquire Kinematic Chains. Kathy Pullen

27 8/16/99 Humans have no fixed axis

28 8/16/99 Nonrigid Examples Constrain

29 8/16/99 Motion Capture Modeling Synthesis From Pixels to 3D Blend Shapes (Torresani et al 2001)

30 8/16/99 Motion Capture Modeling Synthesis From Pixels to 3D Blend Shapes (Torresani et al 2001)

31 8/16/99 Video Rewrite (Bregler, Covell, Slaney, Interval) Pure Data Learning ControllerSample Based Pure Model

32 8/16/99 Variations in Full-Body non-cyclic Motions Kathy Pullen Motion Capture Modeling Synthesis Example Motion-Capture

33 8/16/99 Motion Texturing Key-Framed Animations Kathy Pullen Motion Capture Modeling Synthesis Different Motion-Textured Paths

34 8/16/99 Motion Capture Based Animation Pipeline ExpressiveAnimation

35 8/16/99 Turning to the Masters: Motion Capturing Cartoons Chris Bregler, Lorie Loeb, Erika Chuang, Hrishi Deshpande Stanford University [CB: Other picture coming]

36 8/16/99 Realm of Cartoon Capture

37 8/16/99 Turning to the Masters: Expressive Animations

38 8/16/99 Capture Cartoon Motions Example © Disney

39 8/16/99 Retarget Cartoon Motions © Disney

40 8/16/99 Examples © Disney

41 8/16/99 Examples

42 Examples

43 Realm of Cartoon Capture

44 8/16/99 Examples © Disney

45 8/16/99 Examples © Warner Bros.

46 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

47 8/16/99 Performance Capture based Animation

48 8/16/99 Rotoscope / Mocap: History Rebecca Allen / Twyla Tharp: The Catherine Wheel Paul Kaiser / Merce Cunningham:  “Biped”

49 8/16/99 Project Start thinking about it now In-class brainstorming session Proposal with 2 Milestones Group work


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