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Spectral Gradient Fidelity and Spatial Hessian Hyper-Laplacian Sparsity Constraints for Variational Pansharpening.
Pengfei Liu
Yun Li
Published in:
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. (2022)
Keyphrases
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sparsity constraints
sparse coding
edge detection
sparse representation
spatial information
negative matrix factorization
image segmentation
dictionary learning
nonnegative matrix factorization
pairwise
image processing
object recognition
least squares
image classification
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