Video & Capture SIGGRAPH Asia 2011 0. Modeling and Generating Moving Trees from Video Chuan Li, Oliver Deussen, Yi-Zhe Song, Phil Willis, Peter Hall Media.

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Presentation transcript:

Video & Capture SIGGRAPH Asia

Modeling and Generating Moving Trees from Video Chuan Li, Oliver Deussen, Yi-Zhe Song, Phil Willis, Peter Hall Media Technology Research Centre, Unicersity of Konstanz, Centre fro Digital Entertainment 1 Contribution: improving 3D model and moving The user outline the tree in an initial video frame

Modeling and Generating Moving Trees from Video Chuan Li, Oliver Deussen, Yi-Zhe Song, Phil Willis, Peter Hall Media Technology Research Centre, Unicersity of Konstanz, Centre fro Digital Entertainment 2 Video → 2D skeleton: using technique (Diener [2006]) → 3D tree model: Copy 2D skeleton and place them → 3D tree motion: using Bayes`rule （ probabilistic Motion modeling ）

Candid Portrait Selection From Video Juliet Fiss, Aseem Agarwala, Brian Curless University of Washington, Adobe Systems 3 Select still frames from video Contribution: the design and execution of a large- scale psychology study Human subjects collect ratings of video frames

Candid Portrait Selection From Video Juliet Fiss, Aseem Agarwala, Brian Curless University of Washington, Adobe Systems 4 [System] Face tracking using system by Saragih [2009] Normalized data from human rating and exception(blink and blur)

Candid Portrait Selection From Video Juliet Fiss, Aseem Agarwala, Brian Curless University of Washington, Adobe Systems 5

Multiview Face Capture using Polarized Spherical Gradient Illumination Abhijeet Gosh, Paul Debevec at et al USC Institute for Creative Technologies 6 Making facial geometry with high resolution using Polarized Spherical Gradient Illumination Prior limited: position of camera and polarizer Contribution: A new pair of linearly polarized lightning patterns

Multiview Face Capture using Polarized Spherical Gradient Illumination Abhijeet Gosh, Paul Debevec at et al USC Institute for Creative Technologies 7 The patterns; following lines of latitude and longitude

Multiview Face Capture using Polarized Spherical Gradient Illumination Abhijeet Gosh, Paul Debevec at et al USC Institute for Creative Technologies 8 Results

Video Face Replacement Kevin Dale, Hanspeter Pfister et at al Harvard Univ, MIT CSAIL, Lantos Technologies, Disney research Zurich 9 A method for replacing facial performances in video From source video to target video It does not require ‘manual operation’ and ‘acquisition hardware’

Video Face Replacement Kevin Dale, Hanspeter Pfister et at al Harvard Univ, MIT CSAIL, Lantos Technologies, Disney research Zurich 10 Tracking: multilinear method and data (Vlasic [2005]) Retiming: Dynamic Time Warping (Rabiner and Juang [1993]) Blending: to the next page

Video Face Replacement Kevin Dale, Hanspeter Pfister et at al Harvard Univ, MIT CSAIL, Lantos Technologies, Disney research Zurich 11 Blending: Optimization for seamless face texture Result