Design Example: Alignment of a Road Line Using GIS
Selected Data About Geographic Locations
Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device
Design Example: Joints in Concrete Pavements
Levels of Use of a GIS
Relative Velocity in Two Dimensions
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Updated: Jan 7, 2026

Trajectory Data Analyses for Pedestrian Space-time Activity Study
Published on: February 25, 2013
Di Wen1,2,3, Yiting Zhu1,3, Zhigang Wu1,3
1Intelligent Transportation System Research Center, School of Intelligent Systems Engineering, Sun Yat-sen University, Shenzhen, 518107, China.
A new High-Density Semantic Vehicle Trajectory Dataset (HDSVT) was created using drone footage. This dataset offers long-duration, high-density vehicle data for advanced autonomous driving research.
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