An open-source platform for streetscape perception research

SP-Survey, developed by Sijie Yang, is a simple and powerful platform for conducting streetscape perception surveys with image-based questions. It can be deployed in minutes.

It is available openly on GitHub.

Paper and attribution

If you use SP-Survey in a scientific context, please cite the paper:

Yang S, Chong A, Liu P, Biljecki F (2025): Thermal comfort in sight: Thermal affordance and its visual assessment for sustainable streetscape design. Building and Environment, 271: 112569. 10.1016/j.buildenv.2025.112569 PDF

@article{2025_bae_thermal,
  author = {Yang, Sijie and Chong, Adrian and Liu, Pengyuan and Biljecki, Filip},
  doi = {10.1016/j.buildenv.2025.112569},
  journal = {Building and Environment},
  pages = {112569},
  title = {Thermal comfort in sight: Thermal affordance and its visual assessment for sustainable streetscape design},
  volume = {271},
  year = {2025}
}

Authors / Research group

The project was led by Sijie Yang and conducted in the Urban Analytics Lab at the National University of Singapore (NUS). The full list of people involved is listed in the paper.