Found 46 Documents (Results 1–46)
Image super-resolution reconstruction by Huber regularization and tailored finite point method. (English) Zbl 07806674
Bilevel optimal parameter learning for a high-order nonlocal multiframe super-resolution problem. (English) Zbl 1529.94011
A framelet sparse reconstruction method for pansharpening with guaranteed convergence. (English) Zbl 1519.94007
Reviewer: Hang Lau (Montréal)
A fast inertial primal-dual algorithm to composite optimization models with application to image restoration problems. (English) Zbl 1514.65074
On the well-posedness of a tensor-based second order PDE with bilateral term for image super-resolution. (English) Zbl 1512.65104
ADMM-based residual whiteness principle for automatic parameter selection in single image super-resolution problems. (English) Zbl 07694849
A theoretical study of a bilateral term with a tensor-based fourth-order PDE for image super-resolution. (English) Zbl 07634933
Preconditioned three-operator splitting algorithm with applications to image restoration. (English) Zbl 1500.90050
An improved bilevel optimization approach for image super-resolution based on a fractional diffusion tensor. (English) Zbl 1524.94028
A second-order nonlocal regularized variational model for multiframe image super-resolution. (English) Zbl 07565156
Multi-frame super-resolution from noisy data. (English) Zbl 1487.94019
Elmoataz, Abderrahim (ed.) et al., Scale space and variational methods in computer vision. 8th international conference, SSVM 2021, virtual event, May 16–20, 2021. Proceedings. Cham: Springer. Lect. Notes Comput. Sci. 12679, 565-577 (2021).
An improved spatially controlled reaction-diffusion equation with a non-linear second order operator for image super-resolution. (English) Zbl 1478.94043
A multi-frame super-resolution based on new variational data fidelity term. (English) Zbl 1481.94018
Compressive total variation for image reconstruction and restoration. (English) Zbl 1446.94008
MSC:
94A08
A total fractional-order variation model for image super-resolution and its SAV algorithm. (English) Zbl 1439.65100
Multi-frame image super-resolution reconstruction based on spatial information weighted fields of experts. (English) Zbl 1455.94022
A nonlinear fourth-order PDE for multi-frame image super-resolution enhancement. (English) Zbl 1468.94020
A new multiframe super-resolution based on nonlinear registration and a spatially weighted regularization. (English) Zbl 1451.94010
MSC:
94A08
Iterative methods for computing the resolvent of the sum of a maximal monotone operator and composite operator with applications. (English) Zbl 1435.90106
Adapting total generalized variation for blind image restoration. (English) Zbl 1441.94024
MSC:
94A08
Derivative-free superiorization with component-wise perturbations. (English) Zbl 07042047
MSC:
65-XX
A linear well-posed solution to recover high-frequency information for super resolution image reconstruction. (English) Zbl 1448.94006
A multi-frame super-resolution using diffusion registration and a nonlocal variational image restoration. (English) Zbl 1408.94329
MSC:
94A08
Point source super-resolution via non-convex \(L_1\) based methods. (English) Zbl 1354.65125
Reviewer: Manfred Tasche (Rostock)
Image segmentation based on the hybrid total variation model and the \(K\)-means clustering strategy. (English) Zbl 1349.94033
Solving total-variation image super-resolution problems via proximal symmetric alternating direction methods. (English) Zbl 1347.65046
Image restoration via simultaneous sparse coding: where structured sparsity meets Gaussian scale mixture. (English) Zbl 1398.94029
MSC:
94A08
Alternating split Bregman method for the bilaterally constrained image deblurring problem. (English) Zbl 1328.94015
A weighted difference of anisotropic and isotropic total variation model for image processing. (English) Zbl 1322.94019
A chaotic iterative algorithm based on linearized Bregman iteration for image deblurring. (English) Zbl 1341.68305
Kullback-Leibler divergence based composite prior modeling for Bayesian super-resolution. (English) Zbl 1356.94025
Coupling image restoration and segmentation: a generalized linear model/Bregman perspective. (English) Zbl 1270.68373
Inverse problem of groundwater modeling by iteratively regularized Gauss-Newton method with a nonlinear regularization term. (English) Zbl 1256.65049
Reviewer: Zhen Mei (Toronto)
Irregular operator equations by iterative methods with undetermined reverse connection. (English) Zbl 1280.47011
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