2017
DOI: 10.3390/app7020161
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A Geometric Dictionary Learning Based Approach for Fluorescence Spectroscopy Image Fusion

Abstract: Abstract:In recent years, sparse representation approaches have been integrated into multi-focus image fusion methods. The fused images of sparse-representation-based image fusion methods show great performance. Constructing an informative dictionary is a key step for sparsity-based image fusion method. In order to ensure sufficient number of useful bases for sparse representation in the process of informative dictionary construction, image patches from all source images are classified into different groups ba… Show more

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Cited by 26 publications
(16 citation statements)
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“…According to the obtained measurements, the corresponding weights are finally assigned to different sources. To improve the fusion performance, many complicated decomposition methods and detailed weight assignment strategies have been proposed in recent years [28,[40][41][42][43][44][45]. However, it is not easy to design an ideal activity level measurement or weight assignment strategy, which can consider all key issues [37].…”
Section: Related Workmentioning
confidence: 99%
“…According to the obtained measurements, the corresponding weights are finally assigned to different sources. To improve the fusion performance, many complicated decomposition methods and detailed weight assignment strategies have been proposed in recent years [28,[40][41][42][43][44][45]. However, it is not easy to design an ideal activity level measurement or weight assignment strategy, which can consider all key issues [37].…”
Section: Related Workmentioning
confidence: 99%
“…The evaluation of such images, however, is not always straightforward. For this purpose, Zhu et al [16] propose a sparse-representation-based image fusion method. They combine principle component analysis (PCA) to initially extract geometric similarities and classify the images.…”
Section: Content Of the Special Issuementioning
confidence: 99%
“…Sparse representation is widely used in pattern recognition, image processing, and fault diagnosis [29][30][31][32][33][34][35], since it can include danger rejection as a restriction in the representation model and iterate training data to learn the discriminative dictionaries. Then, the corresponding sparse coefficients can be used to perform fault diagnosis in a complex system.…”
Section: Introductionmentioning
confidence: 99%