Abstract:This paper proposes a new hyperspectral images superresolution (HSI-SR) method based on compressive sensing (CS) theory, spatial sparsity and spectral similarity prior. First, according to sparsity and incoherence of CS theory, we propose a new dictionary learning method, ensuring that the learned dictionary not only has less dimensionality to speed up the sparse decomposition, but also satisfies sparsity well. Then, we introduce the spatial sparsity and spectral similarity regularizations into HSI-SR model, w… Show more
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