CycleTrajectory: An End-to-End Pipeline for Enriching and Analyzing GPS Trajectories to Understand Cycling Behavior and Environment
Meihui Wang, James Haworth, Ilya Ilyankou, Nicola Christie

TL;DR
CycleTrajectory is an end-to-end pipeline that processes GPS trajectories to analyze cycling behavior by integrating semantic data from OpenStreetMap, improving data quality and analysis accuracy.
Contribution
The paper introduces a comprehensive pipeline combining GPS data processing, map matching, and semantic enrichment using OSM for cycling analysis.
Findings
Map matching error rate of 5.64% demonstrates reliability.
Enriched data enables detailed analysis of cycling behavior.
Pipeline improves data quality for sustainable mobility studies.
Abstract
Global positioning system (GPS) trajectories recorded by mobile phones or action cameras offer valuable insights into sustainable mobility, as they provide fine-scale spatial and temporal characteristics of individual travel. However, the high volume, noise, and lack of semantic information in this data poses challenges for storage, analysis, and applications. To address these issues, we propose an end-to-end pipeline named CycleTrajectory for processing high-sampling rate GPS trajectory data from action cameras, leveraging OpenStreetMap (OSM) for semantic enrichment. The methodology includes (1) Data Preparation, which includes filtration, noise removal, and resampling; (2) Map Matching, which accurately aligns GPS points with road segments using the OSRM API; (3) OSM Data integration to enrich trajectories with road infrastructure details; and (4) Variable Calculation to derive…
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