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Physical face cloning

Published: 01 July 2012 Publication History

Abstract

We propose a complete process for designing, simulating, and fabricating synthetic skin for an animatronics character that mimics the face of a given subject and its expressions. The process starts with measuring the elastic properties of a material used to manufacture synthetic soft tissue. Given these measurements we use physics-based simulation to predict the behavior of a face when it is driven by the underlying robotic actuation. Next, we capture 3D facial expressions for a given target subject. As the key component of our process, we present a novel optimization scheme that determines the shape of the synthetic skin as well as the actuation parameters that provide the best match to the target expressions. We demonstrate this computational skin design by physically cloning a real human face onto an animatronics figure.

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      Published In

      cover image ACM Transactions on Graphics
      ACM Transactions on Graphics  Volume 31, Issue 4
      July 2012
      935 pages
      ISSN:0730-0301
      EISSN:1557-7368
      DOI:10.1145/2185520
      Issue’s Table of Contents
      Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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      Publication History

      Published: 01 July 2012
      Published in TOG Volume 31, Issue 4

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      Author Tags

      1. animatronics
      2. computational material design
      3. facial animation
      4. optimization
      5. physics-based simulation

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      • (2022)Scalable neural indoor scene renderingACM Transactions on Graphics10.1145/3528223.353015341:4(1-16)Online publication date: 22-Jul-2022
      • (2022)Learning high-DOF reaching-and-grasping via dynamic representation of gripper-object interactionACM Transactions on Graphics10.1145/3528223.353009141:4(1-14)Online publication date: 22-Jul-2022
      • (2022)Differentiable Depth for Real2Sim Calibration of Soft Body SimulationsComputer Graphics Forum10.1111/cgf.1472042:1(277-289)Online publication date: 23-Nov-2022
      • (2021)Designing actuation systems for animatronic figures via globally optimal discrete searchACM Transactions on Graphics10.1145/3450626.345986740:4(1-10)Online publication date: 19-Jul-2021
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