A Morphable Face Albedo Model

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Type Paper
Original languageEnglish
Pages5010-5019
Number of pages10
DOI
Publication statusPublished - 14 Jun 2020
EventIEEE/CVF Conference on Computer Vision and Pattern Recognition - Online, Seattle, United States of America
Duration: 14 Jun 202019 Jun 2020
http://cvpr2020.thecvf.com/

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ConferenceIEEE/CVF Conference on Computer Vision and Pattern Recognition
Abbreviated titleCVPR
CountryUnited States of America
CitySeattle
Period14 Jun 202019 Jun 2020
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Abstract

In this paper, we bring together two divergent strands of research: photometric face capture and statistical 3D face appearance modelling. We propose a novel lightstage capture and processing pipeline for acquiring ear-to-ear, truly intrinsic diffuse and specular albedo maps that fully factor out the effects of illumination, camera and geometry. Using this pipeline, we capture a dataset of 50 scans and combine them with the only existing publicly available albedo dataset (3DRFE) of 23 scans. This allows us to build the first morphable face albedo model. We believe this is the first statistical analysis of the variability of facial specular albedo maps. This model can be used as a plug in replacement for the texture model of the Basel Face Model and we make our new albedo model publicly available. We ensure careful spectral calibration such that our model is built in a linear sRGB space, suitable for inverse rendering of images taken by typical cameras. We demonstrate our model in a state of the art analysis-by-synthesis 3DMM fitting pipeline, are the first to integrate specular map estimation and outperform the Basel Face Model in albedo reconstruction.

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