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Professor Department of Computer Science & Engineering Indian Institute of Technology Delhi April 26, 2007 Visiting Professor Dayalbagh Educational Institute View Dependent Character Animation Prem K Kalra
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Slide 2 Contact Prof Subhashis Banerjee Dr. Parag Chaudhuri Email: pkalra@cse.iitd.ernet.inpkalra@cse.iitd.ernet.in URL: http://www.cse.iitd.ernet.in/~pkalra Collaborators
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Slide 3 Introduction
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Slide 4 Introduction Consider the freeze-frame camera rotate shot of Matrix Want to create a similar effect in an animated shot…
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Slide 5 Introduction
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Slide 6 Introduction
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Slide 7 Obvious approach for any camera moving shot The camera-character relationship is very fundamental to animation View dependent animation – animation that automatically changes in response to changes in view point Introduction
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Slide 8 View Space
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Slide 9 View Space
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Slide 10 View Space
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Slide 11 View Space
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Slide 12 View Space Animation Generation Not just view direction!
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Slide 13 View Dependent Animation Using Sketches
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Slide 14 Given SketchDesired 3D Pose Creating View Dependent Models
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Slide 15 Given SketchDesired 3D Pose ?? Creating View Dependent Models
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Slide 16 Inputs Creating View Dependent Models
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Slide 17 Inputs Sketches 3D Base Mesh Model SkeletonLattice Creating View Dependent Models
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Slide 18 Camera Recovery Creating View Dependent Models
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Slide 19 Camera Recovery Joint (rigid) correspondences between sketch and the 3D base model Creating View Dependent Models
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Slide 20 Camera Recovery Solve for the best camera Creating View Dependent Models
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Slide 21 Pose Estimation Creating View Dependent Models
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Slide 22 Pose Estimation Inverse Kinematics and Free Form Deformation Creating View Dependent Models
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Slide 23 Pose Estimation Creating View Dependent Models
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Slide 24 Deformation Creating View Dependent Models
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Slide 25 Deformation Creating View Dependent Models
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Slide 26 Deformation Direct Free Form Deformation Creating View Dependent Models
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Slide 27 Deformation Direct Free Form Deformation Creating View Dependent Models
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Slide 28 The View Space
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Slide 29 Some Results
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Slide 30 Some Results
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Slide 31 Some Results
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Slide 32 View Dependent Animation Using Video and Multi Modal Inputs
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Slide 33 From Video Input Video Contour Tracking Camera Tracking Resulting Animation
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Slide 34 Multi Modal Inputs Video Sketches
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Slide 35 Other Possibilities Stylistic re-use Fusing motion capture data and key frame animation Synchronized multiple video streams
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Slide 36 Other Possibilities
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Slide 37 Conclusion A frame work for view dependent animation Multi modal inputs Sketches, Video, Mixed Semi automatic computer vision techniques
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Slide 38 Thank You
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