• Exploring the distribution patterns of Flickr photos 

      Xuan, Ding; Fan, Hongchao (Journal article; Peer reviewed, 2019)
      In recent years, volunteered-geographic-information (VGI) image data have served as a data source for various geographic applications, attracting researchers to assess the quality of these images. However, these applications ...
    • Feasibility of using Grammars to infer room semantics 

      Hu, Xuke; Fan, Hongchao; Noskov, Alexey; Zipf, Alexander; Wang, Zhiyong; Shang, Jianga (Journal article; Peer reviewed, 2019)
      Current indoor mapping approaches can detect accurate geometric information but are incapable of detecting the room type or dismiss this issue. This work investigates the feasibility of inferring the room type by using ...
    • The State of Mapillary: An Exploratory Analysis 

      Ma, Dawei; Fan, Hongchao; Li, Wenwen; Ding, Xuan (Journal article; Peer reviewed, 2019)
      As the world’s largest crowdsourcing-based street view platform, Mapillary has received considerable attention in both research and practical applications. By February 2019, more than 20,000 users worldwide contributed ...