Detection and Localization of Traffic Signals with GPS Floating Car Data and Random Forest

Méneroux, Yann; Kanasugi, Hiroshi; Pierre, Guillaume; Guilcher, Arnaud Le; Mustière, Sébastien; Shibasaki, Ryosuke; Kato, Yugo

doi:10.4230/lipics.giscience.2018.11

2018

DOI: 10.4230/lipics.giscience.2018.11

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Detection and Localization of Traffic Signals with GPS Floating Car Data and Random Forest

Yann Méneroux¹,

Hiroshi Kanasugi

Guillaume Pierre

et al.

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2020

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Traffic Control Recognition with Speed-Profiles: A Deep Learning Approach

Cheng¹,

Zourlidou²,

Sester³

2020

IJGI

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Accurate information of traffic regulators at junctions is important for navigating and driving in cities. However, such information is often missing, incomplete or not up-to-date in digital maps due to the high cost, e.g., time and money, for data acquisition and updating. In this study we propose a crowdsourced method that harnesses the light-weight GPS tracks from commuting vehicles as Volunteered Geographic Information (VGI) for traffic regulator detection. We explore the novel idea of detecting traffic regulators by learning the movement patterns of vehicles at regulated locations. Vehicles’ movement behavior was encoded in the form of speed-profiles, where both speed values and their sequential order during movement development were used as features in a three-class classification problem for the most common traffic regulators: traffic-lights, priority-signs and uncontrolled junctions. The method provides an average weighting function and a majority voting scheme to tolerate the errors in the VGI data. The sequence-to-sequence framework requires no extra overhead for data processing, which makes the method applicable for real-world traffic regulator detection tasks. The results showed that the deep-learning classifier Conditional Variational Autoencoder can predict regulators with 90% accuracy, outperforming a random forest classifier (88% accuracy) that uses the summarized statistics of movement as features. In our future work images and augmentation techniques can be leveraged to generalize the method’s ability for classifying a greater variety of traffic regulator classes.

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Traffic Control Recognition with Speed-Profiles: A Deep Learning Approach

Cheng¹,

Zourlidou²,

Sester³

2020

IJGI

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Detection and Localization of Traffic Signals with GPS Floating Car Data and Random Forest

Cited by 1 publication

References 0 publications

Traffic Control Recognition with Speed-Profiles: A Deep Learning Approach

Traffic Control Recognition with Speed-Profiles: A Deep Learning Approach

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