Abstract
Hyperspectral imaging is a prominent land use land cover (LULC)classification technology. However, due to fewer training samples, LULC classification using hyperspectral images remains complicated and labour-intensive. We have presented a Deep Kernel Attention Transformer (DKAT) to overcome these issues in classifying Land Use Land Cover classes. Before classifying the land cover, t-Distributed Stochastic Neighbouring Embedding (t-SNE) is exploited to extract the features from the LULC by applying the probability distribution function. To quantify the resemblance among the two points Kull Burk-Divergence (KL) is employed. Then, a searching-based band selection method is used to select the bands. The grey wolf optimization (GWO) technique is used in the searching-based band selection method to determine the informative bands. After choosing the informative bands from the hyperspectral data cube, we must classify the land cover. Experimental results are conducted by using five publicly available benchmark datasets. They are Indian Pines, Salinas, Pavia University, Botswana, and Kennedy Space Center. The classification accuracy is calculated using the overall accuracy, average accuracy, and kappa coefficient; we have achieved 99.19% overall accuracy, 99.32% average accuracy, and 99.14% kappa coefficient.
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Data Availability
The datasets which are used in this study is openly available in GRUPO DE INTELIGENCIA COMPUTATIONAL (GIC) at https://www.ehu.eus/ccwintco/index.php/Hyperspectral_Remote_Sensing_Scenes, (Graña et al. n.d.).
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All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by [Ganji Tejasree], and [L. Agilandeeswari]. The first draft of the manuscript was written by [Ganji Tejasree] and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Tejasree, G., L, A. A novel multi-class land use/land cover classification using deep kernel attention transformer for hyperspectral images. Earth Sci Inform 17, 593–616 (2024). https://doi.org/10.1007/s12145-023-01109-1
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DOI: https://doi.org/10.1007/s12145-023-01109-1