Semi-supervised GANs to Infer Travel Modes in GPS Trajectories release_zt25bsihezerdiwaz2xo7h3tma

by Ali Yazdizadeh and Zachary Patterson and Bilal Farooq

Released as a article .

2021  

Abstract

Semi-supervised Generative Adversarial Networks (GANs) are developed in the context of travel mode inference with uni-dimensional smartphone trajectory data. We use data from a large-scale smartphone travel survey in Montreal, Canada. We convert GPS trajectories into fixed-sized segments with five channels (variables). We develop different GANs architectures and compare their prediction results with Convolutional Neural Networks (CNNs). The best semi-supervised GANs model led to a prediction accuracy of 83.4%, while the best CNN model was able to achieve the prediction accuracy of 81.3%. The results compare favorably with previous studies, especially when taking the large-scale real-world nature of the dataset into account.
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Date   2021-05-11
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arXiv  1902.10768v2
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