Moderate Red-Edge vegetation index for High-Resolution multispectral remote sensing images in urban areas

Li, Ronghua; Ye, Shiping; Bai, Zhican; Nedzved, Alexander; Tuzikov, Alexander

doi:10.1016/j.ecolind.2024.112645

Ecological Indicators

2024

DOI: 10.1016/j.ecolind.2024.112645

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Moderate Red-Edge vegetation index for High-Resolution multispectral remote sensing images in urban areas

Ronghua Li,

Shiping Ye,

Zhican Bai

et al.

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Cited by 1 publication

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A Study on the Classification of Shrubs and Grasses on the Tibetan Plateau Based on Unmanned Aerial Vehicle Multispectral Imagery

Chen,

Deng,

Zhang

et al. 2024

Remote Sensing

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The ecosystem of the Qinghai–Tibet Plateau is highly fragile due to its unique geographical conditions, with vegetation playing a crucial role in maintaining ecological balance. Thus, accurately monitoring the distribution of vegetation in the plateau region is of paramount importance. This study employs UAV multispectral imagery in combination with four machine-learning models—Support Vector Machine (SVM), Decision Tree (DT), Extreme Gradient Boosting (XGBoost), and Random Forest (RF)—to investigate the impact of different features and their combinations on the fine classification of shrubs and grasses on the Qinghai–Tibet Plateau, including Salix psammophila, Populus simonii Carrière, Kobresia tibetica, and Kobresia pygmaea. The results indicate that near-infrared spectral information can improve classification accuracy, with improvements of 5.21%, 1.65%, 6.64%, and 5.03% for Salix psammophila, Populus simonii Carrière, Kobresia tibetica, and Kobresia pygmaea, respectively. Feature selection effectively reduces redundant information and enhances model classification accuracy, with all four machine-learning models achieving the best performance on the optimized feature set. Furthermore, the RF model performs best on the optimized feature set, achieving an overall accuracy (OA) of 95.32% and a kappa coefficient of 0.94. This study provides important scientific support for the fine classification and ecological monitoring of plateau vegetation.

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A Study on the Classification of Shrubs and Grasses on the Tibetan Plateau Based on Unmanned Aerial Vehicle Multispectral Imagery

Chen,

Deng,

Zhang

et al. 2024

Remote Sensing

View full text Add to dashboard Cite

show abstract

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Moderate Red-Edge vegetation index for High-Resolution multispectral remote sensing images in urban areas

Cited by 1 publication

References 71 publications

A Study on the Classification of Shrubs and Grasses on the Tibetan Plateau Based on Unmanned Aerial Vehicle Multispectral Imagery

A Study on the Classification of Shrubs and Grasses on the Tibetan Plateau Based on Unmanned Aerial Vehicle Multispectral Imagery

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