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Mathias Højgaard Jensen, Sarang Joshi and Stefan Sommer
We present schemes for simulating Brownian bridges on complete and connected Lie groups and homogeneous spaces. We use this to construct an estimation scheme for recovering an unknown left- or right-invariant Riemannian metric on the Lie group from sampl...
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Mathias Højgaard Jensen and Stefan Sommer
Computing sample means on Riemannian manifolds is typically computationally costly, as exemplified by computation of the Fréchet mean, which often requires finding minimizing geodesics to each data point for each step of an iterative optimization scheme....
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Nicolas Le Sommer, Yves Mahéo and Fadhlallah Baklouti
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Florian Sommer, Jürgen Dürrwang and Reiner Kriesten
Due to current development trends in the automotive industry towards stronger connected and autonomous driving, the attack surface of vehicles is growing which increases the risk of security attacks. This has been confirmed by several research projects i...
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Lionel Touseau and Nicolas Le Sommer
With the emergence of the Internet of Things, environmental sensing has been gaining interest, promising to improve agricultural practices by facilitating decision-making based on gathered environmental data (i.e., weather forecasting, crop monitoring, a...
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Hannes Sommer, Igor Gilitschenski, Michael Bloesch, Stephan Weiss, Roland Siegwart and Juan Nieto
Over the last decades quaternions have become a crucial and very successful tool for attitude representation in robotics and aerospace. However, there is a major problem that is continuously causing trouble in practice when it comes to exchanging formula...
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Jakob Lavrsen Kure, Jakob Krabben, Simon Vilms Pedersen, Marco Carozzi and Sven G. Sommer
Ammonia (NH3) emission from agriculture is an environmental threat and a loss of nitrogen for crop production. Mineral fertilizers and manure are significant sources of NH3; therefore, abatement technologies have been introduced to mitigate these emissio...
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Assadollah Saighani, Carsten Sommer
Pág. 3479 - 3494
The present study determines the energy consumption and the CO2 emissions in the transport sector in Northern Hesse for today and the future. Northern Hesse is a region in the middle of Germany with about one million inhabitants. Together with the two st...
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Bieland Dominik, Sommer Carsten, Witte Claudia
Pág. 3971 - 3984
The traffic performance of leisure traffic has increased over the few last years. The choice of transport mode for (short-time) vacations up to a distance of 1,000 km (oneway) is dominated by motorised private transport. There is, therefore a considerabl...
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Carsten Sommer, Franz Lambrecht
Pág. 40 - 48
About 85% of the daily trips start or end at the own home (MID 2008). The decision to go by foot, bicycle, public transport or car is reached at the residence and depends on the residential environment and housing situation. There are thoughts about alte...
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