# UAV-based Approach to Extract Topographic and As-built Information by Utilising the OBIA Technique

> Research article (Universiti Putra Malaysia Institutional Repository (Universiti Putra Malaysia), 2018) · cited 12× · AI/ML

**Wikidata**: [openalex:W2896141701](https://www.wikidata.org/wiki/openalex:W2896141701)  
**Source**: https://4ort.xyz/entity/uav-based-approach-to-extract-topographic-and-as-built-information-by-utilising-the-obia-technique