# Improved progressive morphological filter for digital terrain model generation from airborne lidar data

> Research article (Applied Optics, 2017) · cited 14× · AI/ML

**Wikidata**: [openalex:W2770086525](https://www.wikidata.org/wiki/openalex:W2770086525)  
**Source**: https://4ort.xyz/entity/improved-progressive-morphological-filter-for-digital-terrain-model-generation-from-airborne-lidar-data