Computer Graphics Laboratory ETH Zurich

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Shape from Selfies : Human Body Shape Estimation using CCA Regression Forests

E. Dibra, C. Öztireli, R. Ziegler, M. Gross

Proceedings of Computer Vision - (ECCV) - 14th European Conference (Amsterdam, the Netherlands, October 8-16, 2016), pp. 88-104
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Abstract

In this work, we revise the problem of human body shape estimation from monocular imagery. Starting from a statistical human shape model that describes a body shape with shape parameters, we describe a novel approach to automatically estimate these parameters from a single input shape silhouette using semi-supervised learning. By utilizing silhouette features that encode local and global properties robust to noise, pose and view changes, and projecting them to lower dimensional spaces obtained through multi-view learning with canonical correlation analysis, we show how regression forests can be used to compute an accurate mapping from the silhouette to the shape parameter space. This results in a very fast, robust and automatic system under mild self-occlusion assumptions. We extensively evaluate our method on thousands of synthetic and real data and compare it to the state-of-art approaches that operate under more restrictive assumptions.

@inproceedings{DBLP:conf/eccv/DibraOZG16,
author = {Endri Dibra and
A. Cengiz {\"{O}}ztireli and
Remo Ziegler and
Markus H. Gross},
title = {Shape from Selfies: Human Body Shape Estimation Using {CCA} Regression
Forests},
booktitle = {Computer Vision - {ECCV} 2016 - 14th European Conference, Amsterdam,
The Netherlands, October 11-14, 2016, Proceedings, Part {IV}},
pages = {88--104},
year = {2016},
crossref = {DBLP:conf/eccv/2016-4},
url = {http://dx.doi.org/10.1007/978-3-319-46493-0_6},
doi = {10.1007/978-3-319-46493-0_6},
timestamp = {Tue, 20 Sep 2016 08:40:38 +0200},
biburl = {http://dblp.uni-trier.de/rec/bib/conf/eccv/DibraOZG16},
bibsource = {dblp computer science bibliography, http://dblp.org}
}

@proceedings{DBLP:conf/eccv/2016-4,
editor = {Bastian Leibe and
Jiri Matas and
Nicu Sebe and
Max Welling},
title = {Computer Vision - {ECCV} 2016 - 14th European Conference, Amsterdam,
The Netherlands, October 11-14, 2016, Proceedings, Part {IV}},
series = {Lecture Notes in Computer Science},
volume = {9908},
publisher = {Springer},
year = {2016},
url = {http://dx.doi.org/10.1007/978-3-319-46493-0},
doi = {10.1007/978-3-319-46493-0},
isbn = {978-3-319-46492-3},
timestamp = {Tue, 20 Sep 2016 08:34:59 +0200},
biburl = {http://dblp.uni-trier.de/rec/bib/conf/eccv/2016-4},
bibsource = {dblp computer science bibliography, http://dblp.org}
}

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