Title
TrajectoryNet: An Embedded GPS Trajectory Representation for Point-based Classification Using Recurrent Neural Networks.
Abstract
Understanding and discovering knowledge from GPS (Global Positioning System) traces of human activities is an essential topic in mobility-based urban computing. We propose TrajectoryNet---a neural network architecture for point-based trajectory classification to infer real world human transportation modes from GPS traces. To overcome the challenge of capturing the underlying latent factors in the low-dimensional and heterogeneous feature space imposed by GPS data, we develop a novel representation that embeds the original feature space into another space that can be understood as a form of basis expansion. We also enrich the feature space via segment-based information and use Maxout activations to improve the predictive power of Recurrent Neural Networks (RNNs). We achieve over 98% classification accuracy when detecting four types of transportation modes, outperforming existing models without additional sensory data or location-based prior knowledge.
Year
Venue
DocType
2017
CASCON
Conference
Volume
Citations 
PageRank 
abs/1705.02636
4
0.44
References 
Authors
23
6
Name
Order
Citations
PageRank
Xiang Jiang1109.03
Erico N. de Souza2365.59
Ahmad Pesaranghader3284.20
Baifan Hu481.21
Daniel L. Silver527233.36
Stan Matwin63025344.20