2019
DOI: 10.1049/iet-ipr.2018.0124
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Weighted Kernel joint sparse representation for hyperspectral image classification

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Cited by 17 publications
(10 citation statements)
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“…JSR pursues a joint representation of spatial neighboring pixels in a linear and sparse representation framework. If neighboring pixels are similar, making a joint representation of each neighboring pixel can improve the reliability of sparse support estimation [17,19]. The success of the JSR model mainly lies in the follows two factors: (1) joint representation: the neighborhood pixel set is consistent, that is, pixels in a spatial neighborhood are highly similar or belong to the same class; (2) linear representation: the linear representation framework in the JSR model is coincident with the hyperspectral data characteristics.…”
Section: Introductionmentioning
confidence: 99%
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“…JSR pursues a joint representation of spatial neighboring pixels in a linear and sparse representation framework. If neighboring pixels are similar, making a joint representation of each neighboring pixel can improve the reliability of sparse support estimation [17,19]. The success of the JSR model mainly lies in the follows two factors: (1) joint representation: the neighborhood pixel set is consistent, that is, pixels in a spatial neighborhood are highly similar or belong to the same class; (2) linear representation: the linear representation framework in the JSR model is coincident with the hyperspectral data characteristics.…”
Section: Introductionmentioning
confidence: 99%
“…[23]. To cope with the nonlinear problem, kernel-based JSR (KJSR) methods are proposed [19,[24][25][26]. KJSR mainly includes two steps: projecting the original data into high-dimensional feature space using a nonlinear map and then performing JSR in the feature space.…”
Section: Introductionmentioning
confidence: 99%
“…Shamsolmoali et al propose a CNN in network pipeline to reduce the dimension [9], as well as extract spectral‐spatial features for HSI classification. Hu et al improve kernel joint sparse presentation methods by proposing two weighted schemes to incorporate spatial neighbourhood information for HSI classification [10]. Huang et al present an approach for HSI clustering, where sparse dictionary learning and anchored regression are combined to reduce the computational time and improve clustering performances [11].…”
mentioning
confidence: 99%
“…The first is the deep learning models, where CNNs have been particularly applied for classification of HSI [8, 9], enriching the previous work in [22] using autoencoders and in [23] using deep belief network. Meanwhile, the sparse representation and sparse learning have also be emphasised in data classification [10, 11], using kernel joint sparse representation and sparse dictionary learning, following the success in [24, 25]. Another trend is the combination of various optimisation algorithms to solve the optimisation problems, such as gravitational search algorithm [13] and Jaya optimisation [16] for band selection and genetic algorithm for target detection [18].…”
mentioning
confidence: 99%
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