# Appearance-based material classification for monitoring of operation-level construction progress using 4D BIM and site photologs

> Research article (Automation in Construction, 2015) · cited 243× · AI/ML

**Wikidata**: [openalex:W2037563399](https://www.wikidata.org/wiki/openalex:W2037563399)  
**Source**: https://4ort.xyz/entity/appearance-based-material-classification-for-monitoring-of-operation-level-construction-progress-using-4d-bim-and-site-p