Results 161 to 170 of about 19,283,190 (228)

An Algorithm for Total Variation Minimization and Applications

Journal of Mathematical Imaging and Vision, 2004
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A. Chambolle
semanticscholar   +3 more sources

Total Variation

Computer Vision, 2021
Bastian Goldluecke
semanticscholar   +2 more sources

Graph and Total Variation Regularized Low-Rank Representation for Hyperspectral Anomaly Detection

IEEE Transactions on Geoscience and Remote Sensing, 2020
Anomaly detection is of great importance among hyperspectral applications, which aims at locating targets that are spectrally different from their surrounding background. A variety of anomaly detection methods have been proposed in the past.
Tongkai Cheng, Bin Wang
semanticscholar   +1 more source

Total Generalized Variation

SIAM Journal on Imaging Sciences, 2010
The novel concept of total generalized variation of a function $u$ is introduced, and some of its essential properties are proved. Differently from the bounded variation seminorm, the new concept involves higher-order derivatives of $u$. Numerical examples illustrate the high quality of this functional as a regularization term for mathematical imaging ...
Kristian Bredies   +2 more
openaire   +1 more source

Properties of minimizers of the total variation and of the solutions of the total variation flow

2014 IEEE International Conference on Image Processing (ICIP), 2014
We review some results obtained in collaboration with Vicent Caselles (formerly with DTIC, U. Pompeu Fabra, Barcelona) and Matteo Novaga (U. Pisa) and recent extensions obtained by the first author on the properties of the jump sets of solutions of total variation minimizing problems, including some results on explicit solutions in the 1D and radial ...
Khalid Jalalzai, Antonin Chambolle
openaire   +1 more source

Adaptive total variation L1 regularization for salt and pepper image denoising

, 2020
In this article, we propose an adaptive total variation (TV) regularization model for salt and pepper denoising in digital images. The adaptive TV denoising method is developed based on the general regularized image restoration model with L1 fidelity for
D. Thanh   +3 more
semanticscholar   +1 more source

Remote Sensing Image Reconstruction Using Tensor Ring Completion and Total Variation

IEEE Transactions on Geoscience and Remote Sensing, 2019
Time-series remote sensing (RS) images are often corrupted by various types of missing information such as dead pixels, clouds, and cloud shadows that significantly influence the subsequent applications.
Wei He   +3 more
semanticscholar   +1 more source

Color Image Restoration by Saturation-Value Total Variation

SIAM Journal of Imaging Sciences, 2019
Color image restoration is one of the important tasks in color image processing. Total variation regularizaton was proposed and employed for the recovery of edges in a grayscale image.
Zhigang Jia, M. Ng, Wei Wang
semanticscholar   +1 more source

Hyperspectral Unmixing via Total Variation Regularized Nonnegative Tensor Factorization

IEEE Transactions on Geoscience and Remote Sensing, 2019
Hyperspectral unmixing decomposes a hyperspectral imagery (HSI) into a number of constituent materials and associated proportions. Recently, nonnegative tensor factorization (NTF)-based methods have been proposed for hyperspectral unmixing thanks to ...
Fengchao Xiong   +3 more
semanticscholar   +1 more source

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