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2016


Skinned multi-person linear model
Skinned multi-person linear model

Black, M.J., Loper, M., Mahmood, N., Pons-Moll, G., Romero, J.

December 2016, Application PCT/EP2016/064610 (misc)

Abstract
The invention comprises a learned model of human body shape and pose dependent shape variation that is more accurate than previous models and is compatible with existing graphics pipelines. Our Skinned Multi-Person Linear model (SMPL) is a skinned vertex based model that accurately represents a wide variety of body shapes in natural human poses. The parameters of the model are learned from data including the rest pose template, blend weights, pose-dependent blend shapes, identity- dependent blend shapes, and a regressor from vertices to joint locations. Unlike previous models, the pose-dependent blend shapes are a linear function of the elements of the pose rotation matrices. This simple formulation enables training the entire model from a relatively large number of aligned 3D meshes of different people in different poses. The invention quantitatively evaluates variants of SMPL using linear or dual- quaternion blend skinning and show that both are more accurate than a Blend SCAPE model trained on the same data. In a further embodiment, the invention realistically models dynamic soft-tissue deformations. Because it is based on blend skinning, SMPL is compatible with existing rendering engines and we make it available for research purposes.

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Google Patents [BibTex]

2016


Google Patents [BibTex]


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Quantifying Therapist Practitioner Roles Using Video-based Analysis: Can We Reliably Model Therapist-Patient Interactions During Task-Oriented Therapy?

Mendonca, R., Johnson, M. J., Laskin, S., Adair, L., Mohan, M.

pages: E55-E56, Abstract in the Archives of Physical Medicine and Rehabilitation, October 2016 (misc)

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DOI [BibTex]

DOI [BibTex]


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Design of a Low-Cost Platform for Autonomous Mobile Service Robots

Eaton, E., Mucchiani, C., Mohan, M., Isele, D., Luná, J. M., Clingerman, C.

Workshop paper (7 pages) presented at the 25th International Joint Conference on Artificial Intelligence (IJCAI) Workshop on Autonomous Mobile Service Robots, New York, USA, 2016 (misc)

Abstract
Most current autonomous mobile service robots are either expensive commercial platforms or custom manufactured for research environments, limiting their availability. We present the design for a lowcost service robot based on the widely used TurtleBot 2 platform, with the goal of making service robots affordable and accessible to the research, educational, and hobbyist communities. Our design uses a set of simple and inexpensive modifications to transform the TurtleBot 2 into a 4.5ft (1.37m) tall tour-guide or telepresence-style robot, capable of performing a wide variety of indoor service tasks. The resulting platform provides a shoulder-height touchscreen and 3D camera for interaction, an optional low-cost arm for manipulation, enhanced onboard computation, autonomous charging, and up to 6 hours of runtime. The resulting platform can support many of the tasks performed by significantly more expensive service robots. For compatibility with existing software packages, the service robot runs the Robot Operating System (ROS).

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link (url) [BibTex]

link (url) [BibTex]


Perceiving Systems (2011-2015)
Perceiving Systems (2011-2015)
Scientific Advisory Board Report, 2016 (misc)

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pdf [BibTex]

pdf [BibTex]


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Extrapolation and learning equations

Martius, G., Lampert, C. H.

2016, arXiv preprint \url{https://arxiv.org/abs/1610.02995} (misc)

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Project Page [BibTex]

Project Page [BibTex]

2015


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Derivation of phenomenological expressions for transition matrix elements for electron-phonon scattering

Illg, C., Haag, M., Müller, B. Y., Czycholl, G., Fähnle, M.

2015 (misc)

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link (url) [BibTex]

2015


2004


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Nanoscale Materials for Energy Storage
{Materials Science \& Engineering B}, 108, pages: 292, Elsevier, 2004 (misc)

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[BibTex]

2004


[BibTex]