This MATLAB code package is for calculating Artificial Surface Index (ASI). ASI was developed based on Landsat 8 imagery, but it can be applied to satellite imagery with similar spectral bands.
References:
Zhao, Y., & Zhu, Z. (2022). ASI: An artificial surface Index for Landsat 8 imagery. International Journal of Applied Earth Observation and Geoinformation, 107, 102703. doi:10.1016/j.jag.2022.102703