3D face and body reconstruction via volumetric regression networks

3D Face reconstruction is the process of estimating the full 3D geometry of a human's face from one or more images. Applications of 3D face reconstruction span many areas, from personalisation of video games and trying on accessories online, to measuring emotional arousal for psychological stud...

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Main Author: Jackson, Aaron S.
Format: Thesis (University of Nottingham only)
Language:English
Published: 2019
Subjects:
Online Access:https://eprints.nottingham.ac.uk/59121/
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author Jackson, Aaron S.
author_facet Jackson, Aaron S.
author_sort Jackson, Aaron S.
building Nottingham Research Data Repository
collection Online Access
description 3D Face reconstruction is the process of estimating the full 3D geometry of a human's face from one or more images. Applications of 3D face reconstruction span many areas, from personalisation of video games and trying on accessories online, to measuring emotional arousal for psychological studies and in medicine, such as simulating the result of reconstructive surgery. Approaches to 3D face reconstruction generally depend on a 3D Morphable Model (3DMM) - a parametric model, where the shape, pose and expression can be adjusted using a small number of parameters. While methods based on such techniques can work well on frontal images, they often begin to fail on cases of large pose, difficult expression, occlusion, and bad lighting. Additionally, encoding detail in so few parameters is not possible. In this thesis, we propose a novel approach to the problem of 3D face reconstruction: Volumetric Regression Networks. Our non-parametric approach constrains the problem to the spatial domain using an end-to-end network which directly regresses the 3D geometry using a volumetric representation. This avoids the need for 3DMM generation, which involves finding correspondence between all vertices of all training samples, but also the fitting stage, which requires solving a difficult optimisation problem. We demonstrate that doing so can not only provide state-of-the-art results, but also be adapted to other deformable objects, such as the full human body.
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spelling nottingham-591212025-02-28T14:39:40Z https://eprints.nottingham.ac.uk/59121/ 3D face and body reconstruction via volumetric regression networks Jackson, Aaron S. 3D Face reconstruction is the process of estimating the full 3D geometry of a human's face from one or more images. Applications of 3D face reconstruction span many areas, from personalisation of video games and trying on accessories online, to measuring emotional arousal for psychological studies and in medicine, such as simulating the result of reconstructive surgery. Approaches to 3D face reconstruction generally depend on a 3D Morphable Model (3DMM) - a parametric model, where the shape, pose and expression can be adjusted using a small number of parameters. While methods based on such techniques can work well on frontal images, they often begin to fail on cases of large pose, difficult expression, occlusion, and bad lighting. Additionally, encoding detail in so few parameters is not possible. In this thesis, we propose a novel approach to the problem of 3D face reconstruction: Volumetric Regression Networks. Our non-parametric approach constrains the problem to the spatial domain using an end-to-end network which directly regresses the 3D geometry using a volumetric representation. This avoids the need for 3DMM generation, which involves finding correspondence between all vertices of all training samples, but also the fitting stage, which requires solving a difficult optimisation problem. We demonstrate that doing so can not only provide state-of-the-art results, but also be adapted to other deformable objects, such as the full human body. 2019-12-13 Thesis (University of Nottingham only) NonPeerReviewed application/pdf en arr https://eprints.nottingham.ac.uk/59121/1/thesis.pdf Jackson, Aaron S. (2019) 3D face and body reconstruction via volumetric regression networks. PhD thesis, University of Nottingham. volumetric regression deep learning convolutional neural network 3d reconstruction
spellingShingle volumetric regression
deep learning
convolutional neural network
3d reconstruction
Jackson, Aaron S.
3D face and body reconstruction via volumetric regression networks
title 3D face and body reconstruction via volumetric regression networks
title_full 3D face and body reconstruction via volumetric regression networks
title_fullStr 3D face and body reconstruction via volumetric regression networks
title_full_unstemmed 3D face and body reconstruction via volumetric regression networks
title_short 3D face and body reconstruction via volumetric regression networks
title_sort 3d face and body reconstruction via volumetric regression networks
topic volumetric regression
deep learning
convolutional neural network
3d reconstruction
url https://eprints.nottingham.ac.uk/59121/