Cage-based Performance Capture by Yann SavoyeCage-based Performance Capture by Yann Savoye

Cage-based Performance Capture

byYann Savoye

Hardcover | September 30, 2013

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Nowadays, highly-detailed animations of live-actor performances are increasingly easier to acquire and 3D Video has reached considerable attentions in visual media production. In this book, we address the problem of extracting or acquiring and then reusing non-rigid parametrization for video-based animations. At first sight, a crucial challenge is to reproduce plausible boneless deformations while preserving global and local captured properties of dynamic surfaces with a limited number of controllable, flexible and reusable parameters. To solve this challenge, we directly rely on a skin-detached dimension reduction thanks to the well-known cage-based paradigm. First, we achieveScalable Inverse Cage-based Modelingby transposing the inverse kinematics paradigm on surfaces. Thus, we introduce a cage inversion process with user-specified screen-space constraints. Secondly, we convert non-rigid animated surfaces into a sequence of optimal cage parameters viaCage-based Animation Conversion. Building upon this reskinning procedure, we also develop a well-formedAnimation Cartoonizationalgorithm for multi-view data in term of cage-based surface exaggeration and video-based appearance stylization. Thirdly, motivated by the relaxation of prior knowledge on the data, we propose a promising unsupervised approach to performIterative Cage-based Geometric Registration. This novel registration scheme deals with reconstructed target point clouds obtained from multi-view video recording, in conjunction with a static and wrinkled template mesh. Above all, we demonstrate the strength of cage-based subspaces in order to reparametrize highly non-rigid dynamic surfaces, without the need of secondary deformations. To the best of our knowledge this book opens the field ofCage-based Performance Capture.
Title:Cage-based Performance CaptureFormat:HardcoverDimensions:141 pagesPublished:September 30, 2013Publisher:Springer-Verlag/Sci-Tech/TradeLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:3319015370

ISBN - 13:9783319015378

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Table of Contents

General Introduction.- Sparse Constraints Over Animatable Subspaces.- Reusing Performance Capture Data.- Toward Non-Rigid Dynamic Cage Capture.