# Using Wavelet Transforms to Fuse Nighttime Light Data and POI Big Data to Extract Urban Built-Up Areas

> Research article (Remote Sensing, 2020) · cited 58× · AI/ML

**Wikidata**: [openalex:W3110201684](https://www.wikidata.org/wiki/openalex:W3110201684)  
**Source**: https://4ort.xyz/entity/using-wavelet-transforms-to-fuse-nighttime-light-data-and-poi-big-data-to-extract-urban-built-up-areas