# Improving Impervious Surface Extraction With Shadow-Based Sparse Representation From Optical, SAR, and LiDAR Data

> Research article (IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2019) · cited 29× · AI/ML

**Wikidata**: [openalex:W2941330239](https://www.wikidata.org/wiki/openalex:W2941330239)  
**Source**: https://4ort.xyz/entity/improving-impervious-surface-extraction-with-shadow-based-sparse-representation-from-optical-sar-and-lidar-data