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20 Results Found

  • Article
  • Open Access
8 Citations
4,487 Views
19 Pages

16 March 2020

Low dose computed tomography (CT) has drawn much attention in the medical imaging field because of its ability to reduce the radiation dose. Recently, statistical iterative reconstruction (SIR) with total variation (TV) penalty has been developed to...

(This article belongs to the Section Biosensors)
  • Article
  • Open Access
3 Citations
3,335 Views
15 Pages

17 August 2021

It is difficult to improve image resolution in hardware due to the limitations of technology and too high costs, but most application fields need high resolution images, so super-resolution technology has been produced. This paper mainly uses informa...

(This article belongs to the Section Sensing and Imaging)
  • Article
  • Open Access
2 Citations
2,929 Views
16 Pages

Tensor restoration finds applications in various fields, including data science, image processing, and machine learning, where the global low-rank property is a crucial prior. As the convex relaxation to the tensor rank function, the traditional tens...

(This article belongs to the Special Issue Image Fusion and Image Processing)
  • Article
  • Open Access
21 Citations
4,988 Views
16 Pages

Hyperspectral Image Denoising Based on Nonlocal Low-Rank and TV Regularization

  • Xiangyang Kong,
  • Yongqiang Zhao,
  • Jize Xue,
  • Jonathan Cheung-Wai Chan and ,
  • Zhigang Ren,
  • HaiXia Huang and
  • Jiyuan Zang
  • + 2 authors+ 0 author

17 June 2020

Hyperspectral image (HSI) acquisitions are degraded by various noises, among which additive Gaussian noise may be the worst-case, as suggested by information theory. In this paper, we present a novel tensor-based HSI denoising approach by fully ident...

(This article belongs to the Special Issue Image Processing and Spatial Neighbourhoods for Remote Sensing Data Analysis)
  • Article
  • Open Access
2 Citations
2,630 Views
23 Pages

Spectral computed tomography (CT)-reconstructed images often exhibit severe noise and artifacts, which compromise the practical application of spectral CT imaging technology. Methods that use tensor dictionary learning (TDL) have shown superior perfo...

(This article belongs to the Special Issue Pattern Recognition and Machine Learning Applications, 2nd Edition)
  • Feature Paper
  • Article
  • Open Access
7 Citations
3,831 Views
27 Pages

14 October 2021

The hyperspectral image super-resolution (HSI-SR) problem aims at reconstructing the high resolution spatial–spectral information of the scene by fusing low-resolution hyperspectral images (LR-HSI) and the corresponding high-resolution multispectral...

(This article belongs to the Topic High-Resolution Earth Observation Systems, Technologies, and Applications)
  • Article
  • Open Access
2 Citations
1,517 Views
21 Pages

Anisotropic Total Generalized Variation Enhanced Deep Image Prior for Image Denoising

  • Jue Wang,
  • Jianlou Xu,
  • Yan Hao,
  • Limei Huo and ,
  • Zengbo Wang and
  • Bohan Li
  • + 1 author+ 0 author

6 March 2026

To enhance the performance of deep image prior, we propose a novel image denoising model that embeds an anisotropic diffusion tensor into the total generalized variation model and combines it with the deep image prior. The proposed tensor weights dee...

(This article belongs to the Section A: Computer Science)
  • Article
  • Open Access
115 Citations
8,024 Views
16 Pages

11 December 2017

Hyperspectral image (HSI) possesses three intrinsic characteristics: the global correlation across spectral domain, the nonlocal self-similarity across spatial domain, and the local smooth structure across both spatial and spectral domains. This pape...

(This article belongs to the Special Issue Spatial Enhancement of Hyperspectral Data and Applications)
  • Article
  • Open Access
6 Citations
2,623 Views
23 Pages

7 February 2025

Hyperspectral band selection plays a key role in reducing the high dimensionality of data while maintaining essential details. However, existing band selection methods often encounter challenges, such as high memory consumption, the need for data mat...

(This article belongs to the Section Remote Sensing Image Processing)
  • Article
  • Open Access
10 Citations
4,612 Views
21 Pages

1 December 2019

Reconstructing images from multi-view projections is a crucial task both in the computer vision community and in the medical imaging community, and dynamic positron emission tomography (PET) is no exception. Unfortunately, image quality is inevitably...

(This article belongs to the Special Issue Compressed Sensing in Biomedical Signal and Image Analysis)
  • Article
  • Open Access
5 Citations
4,360 Views
18 Pages

Improved Image Quality for Static BLADE Magnetic Resonance Imaging Using the Total-Variation Regularized Least Absolute Deviation Solver

  • Hsin-Chia Chen,
  • Haw-Chiao Yang,
  • Chih-Ching Chen,
  • Seb Harrevelt and ,
  • Yu-Chieh Chao,
  • Jyh-Miin Lin,
  • Wei-Hsuan Yu,
  • Hing-Chiu Chang,
  • Chin-Kuo Chang and
  • Feng-Nan Hwang
  • + 5 authors+ 0 author

8 October 2021

In order to improve the image quality of BLADE magnetic resonance imaging (MRI) using the index tensor solvers and to evaluate MRI image quality in a clinical setting, we implemented BLADE MRI reconstructions using two tensor solvers (the least-squar...

  • Article
  • Open Access
5 Citations
3,170 Views
18 Pages

Fusing Hyperspectral and Multispectral Images via Low-Rank Hankel Tensor Representation

  • Siyu Guo,
  • Xi’ai Chen,
  • Huidi Jia,
  • Zhi Han and ,
  • Zhigang Duan and
  • Yandong Tang
  • + 1 author+ 0 author

7 September 2022

Hyperspectral images (HSIs) have high spectral resolution and low spatial resolution. HSI super-resolution (SR) can enhance the spatial information of the scene. Current SR methods have generally focused on the direct utilization of image structure p...

(This article belongs to the Section Remote Sensing Image Processing)
  • Article
  • Open Access
3 Citations
1,890 Views
23 Pages

Seismic Random Noise Attenuation via Low-Rank Tensor Network

  • Taiyin Zhao,
  • Luoxiao Ouyang and
  • Tian Chen

21 March 2025

Seismic data are easily contaminated by random noise, impairing subsequent geological interpretation tasks. Existing denoising methods like low-rank approximation (LRA) and deep learning (DL) show promising denoising capabilities but still have limit...

  • Article
  • Open Access
8 Citations
4,098 Views
25 Pages

Infrared Small Target Detection Based on Tensor Tree Decomposition and Self-Adaptive Local Prior

  • Guiyu Zhang,
  • Zhenyu Ding,
  • Qunbo Lv,
  • Baoyu Zhu and ,
  • Wenjian Zhang,
  • Jiaao Li and
  • Zheng Tan
  • + 2 authors+ 0 author

21 March 2024

Infrared small target detection plays a crucial role in both military and civilian systems. However, current detection methods face significant challenges in complex scenes, such as inaccurate background estimation, inability to distinguish targets f...

(This article belongs to the Topic Computer Vision and Image Processing, 2nd Edition)
  • Article
  • Open Access
16 Citations
5,953 Views
26 Pages

21 January 2022

To eliminate the mixed noise in hyperspectral images (HSIs), three-dimensional total variation (3DTV) regularization has been proven as an efficient tool. However, 3DTV regularization is prone to losing image details in restoration. To resolve this i...

(This article belongs to the Special Issue Remote Sensing Image Denoising, Restoration and Reconstruction)
  • Systematic Review
  • Open Access
9 Citations
6,531 Views
14 Pages

The tensor of vastus intermedius is a newly discovered muscle that is located at the anterior compartment of the thigh. The aim of the present study is to report, assess and synthetize the existing evidence on the anatomy, variation and morphological...

(This article belongs to the Section Functional Anatomy and Musculoskeletal System)
  • Article
  • Open Access
10 Citations
3,691 Views
25 Pages

12 May 2022

In this paper, we propose a new hyperspectral image (HSI) denoising model with the group sparsity regularized hybrid spatio-spectral total variation (GHSSTV) and low-rank tensor decomposition, which is based on the analysis of structural sparsity of...

  • Article
  • Open Access
364 Views
25 Pages

9 September 2026

Multi-view clustering seeks a consensus partition from heterogeneous feature views while retaining view-specific information. We propose SGLog-γ∗-MSC, a nonconvex multi-view subspace clustering framework that combines graph total variati...

  • Article
  • Open Access
1,628 Views
26 Pages

Infrared Small Target Detection Based on Compound Eye Structural Feature Weighting and Regularized Tensor

  • Linhan Li,
  • Xiaoyu Wang,
  • Shijing Hao,
  • Yang Yu and ,
  • Sili Gao and
  • Juan Yue
  • + 1 author+ 0 author

25 April 2025

Compared to conventional single-aperture infrared cameras, the bio-inspired infrared compound eye camera integrates the advantages of infrared imaging technology with the benefits of multi-aperture systems, enabling simultaneous information acquisiti...

  • Article
  • Open Access
11 Citations
4,956 Views
17 Pages

7 February 2023

Interior permanent magnet synchronous machine with air-gap eccentricity (AGE-IPMSM) has the advantages of low torque ripple and low noise. However, air-gap eccentricity will lower the power density of the machine to a certain extent. In this paper, a...

(This article belongs to the Special Issue Analysis and Design of High-Energy-Efficiency Permanent Magnet Machines)