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Analysis of human faces using a measurement-based skin reflectance model

Published: 01 July 2006 Publication History

Abstract

We have measured 3D face geometry, skin reflectance, and subsurface scattering using custom-built devices for 149 subjects of varying age, gender, and race. We developed a novel skin reflectance model whose parameters can be estimated from measurements. The model decomposes the large amount of measured skin data into a spatially-varying analytic BRDF, a diffuse albedo map, and diffuse subsurface scattering. Our model is intuitive, physically plausible, and -- since we do not use the original measured data -- easy to edit as well. High-quality renderings come close to reproducing real photographs. The analysis of the model parameters for our sample population reveals variations according to subject age, gender, skin type, and external factors (e.g., sweat, cold, or makeup). Using our statistics, a user can edit the overall appearance of a face (e.g., changing skin type and age) or change small-scale features using texture synthesis (e.g., adding moles and freckles). We are making the collected statistics publicly available to the research community for applications in face synthesis and analysis.

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      Published In

      cover image ACM Transactions on Graphics
      ACM Transactions on Graphics  Volume 25, Issue 3
      July 2006
      742 pages
      ISSN:0730-0301
      EISSN:1557-7368
      DOI:10.1145/1141911
      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 2006
      Published in TOG Volume 25, Issue 3

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      Author Tags

      1. data-driven models
      2. face modeling
      3. reflection models

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      • (2024)Polarimetric BSSRDF Acquisition of Dynamic FacesACM Transactions on Graphics10.1145/368776743:6(1-11)Online publication date: 19-Dec-2024
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