# A Robust Vegetation Index Based on Different UAV RGB Images to Estimate SPAD Values of Naked Barley Leaves

> Research article (Remote Sensing, 2021) · cited 58× · AI/ML

**Wikidata**: [openalex:W3129677022](https://www.wikidata.org/wiki/openalex:W3129677022)  
**Source**: https://4ort.xyz/entity/a-robust-vegetation-index-based-on-different-uav-rgb-images-to-estimate-spad-values-of-naked-barley-leaves