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Lisa Hansson, Johan Holmgren
Pág. 2450 - 2460
One of the official transport policy objectives in Sweden is that all citizens should have access to the transport system. The public sector is therefore required by law to provide special transport services (STS) for those who are unable to use public t...
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Banafsheh Hajinasab, Paul Davidsson, Johan Holmgren, Jan A. Persson
Pág. 208 - 215
In this paper, we introduce a new approach for collecting data for transport simulation models that is using on-line services in order to outsource parts of the modeling and computation of simulation models. We describe our approach of using on-line serv...
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Kenneth Olofsson and Johan Holmgren
A method for automatic stem detection and stem profile estimation based on terrestrial laser scanning (TLS) was validated. The root-mean-square error was approximately 1 cm for stem diameter estimations. The method contains a new way of extracting the fl...
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Mona Forsman, Johan Holmgren and Kenneth Olofsson
Diameter at breast height has been estimated from mobile laser scanning using a new set of methods. A 2D laser scanner was mounted facing forward, tilted nine degrees downwards, on a car. The trajectory was recorded using inertial navigation and visual S...
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