# AUTOMATIC EXTRACTION OF DTM FROM LOW RESOLUTION DSM BY TWOSTEPS SEMI-GLOBAL FILTERING

> Research article (ISPRS annals of the photogrammetry, remote sensing and spatial information sciences, 2016) · cited 10× · AI/ML

**Wikidata**: [openalex:W2469462638](https://www.wikidata.org/wiki/openalex:W2469462638)  
**Source**: https://4ort.xyz/entity/automatic-extraction-of-dtm-from-low-resolution-dsm-by-twosteps-semi-global-filtering