Determination of vegetation cover index under different soil management systems of cover plants by using an unmanned aerial vehicle with an on board digital photographic camera

被引:19
作者
Beniaich, Adnane [1 ]
Naves Silva, Marx Leandro [2 ]
Pomar Avalos, Fabio Arnaldo [3 ]
de Menezes, Michele Duarte [2 ]
Candido, Bernardo Moreira [3 ]
机构
[1] Univ Fed Lavras, Programa Posgrad Ciencia Solo, UFLA, Lavras, MG, Brazil
[2] Univ Fed Lavras, Dept Ciencia Solo, Lavras, MG, Brazil
[3] Univ Fed Lavras, Programa Posgrad Ciencia Solo, Lavras, MG, Brazil
来源
SEMINA-CIENCIAS AGRARIAS | 2019年 / 40卷 / 01期
关键词
Vegetation cover index; RGB image; Vegetation index; Unmanned aerial vehicle; AUTOMATED CROP; WATER EROSION; COLOR INDEXES; GROWTH-STAGES; MAIZE; UAV; CLASSIFICATION; IMAGES; RED;
D O I
10.5433/1679-0359.2019v40n1p49
中图分类号
S [农业科学];
学科分类号
09 ;
摘要
The permanent monitoring of vegetation cover is important to guarantee a sustainable management of agricultural activities, with a relevant role in the reduction of water erosion. This monitoring can be carried out through different indicators such as vegetation cover indices. In this study, the vegetation cover index was obtained using uncalibrated RGB images generated from a digital photographic camera on an unmanned aerial vehicle (UAV). In addition, a comparative study with 11 vegetation indices was carried out. The vegetation indices CIVE and EXG presented a better performance and the index WI presented the worst performance in the vegetation classification during the cycles of jack bean and millet, according to the overall accuracy and Kappa coefficient. Vegetation indices were effective tools in obtaining soil cover index when compared to the standard Stocking method, except for the index WI. Architecture and cycle of millet and jack bean influenced the behavior of the studied vegetation indices. Vegetation indices generated from RGB images obtained by UAV were more practical and efficient, allowing a more frequent monitoring and in a wider area during the crop cycle.
引用
收藏
页码:49 / 65
页数:17
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