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234 Results Found

  • Article
  • Open Access
9 Citations
4,077 Views
21 Pages

Hyperspectral Anomaly Detection with Harmonic Analysis and Low-Rank Decomposition

  • Pei Xiang,
  • Jiangluqi Song,
  • Huan Li,
  • Lin Gu and
  • Huixin Zhou

16 December 2019

Hyperspectral anomaly detection methods are often limited by the effects of redundant information and isolated noise. Here, a novel hyperspectral anomaly detection method based on harmonic analysis (HA) and low rank decomposition is proposed. This pa...

  • Article
  • Open Access
2,625 Views
13 Pages

Neural Radiance Fields with Hash-Low-Rank Decomposition

  • Jiaxin Wang,
  • Weichen Dai,
  • Kangcheng Ma and
  • Wanzeng Kong

3 December 2024

In recent advancements in novel view synthesis and neural rendering, neural radiance field (NeRF) has emerged as a powerful technique for synthesizing high-quality novel views of complex 3D scenes. However, the computational and storage demands of Ne...

  • Article
  • Open Access
11 Citations
3,948 Views
27 Pages

Simultaneously Low Rank and Group Sparse Decomposition for Rolling Bearing Fault Diagnosis

  • Kai Zheng,
  • Yin Bai,
  • Jingfeng Xiong,
  • Feng Tan,
  • Dewei Yang and
  • Yi Zhang

27 September 2020

Singular value decomposition (SVD) methods have aroused wide concern to extract the periodic impulses for bearing fault diagnosis. The state-of-the-art SVD methods mainly focus on the low rank property of the Hankel matrix for the fault feature, whic...

  • Article
  • Open Access
2 Citations
2,201 Views
20 Pages

18 August 2025

Hyperspectral image (HSI) denoising is an important preprocessing step for downstream applications. Fully characterizing the spatial-spectral priors of HSI is crucial for denoising tasks. In recent years, denoising methods based on low-rank subspaces...

  • Article
  • Open Access
8 Citations
2,074 Views
30 Pages

5 January 2024

Hyperspectral images (HSIs) contain abundant spectral and spatial structural information, but they are inevitably contaminated by a variety of noises during data reception and transmission, leading to image quality degradation and subsequent applicat...

  • Article
  • Open Access
2 Citations
1,507 Views
20 Pages

SAR Images Despeckling Using Subaperture Decomposition and Non-Local Low-Rank Tensor Approximation

  • Xinwei An,
  • Hongcheng Zeng,
  • Zhaohong Li,
  • Wei Yang,
  • Wei Xiong,
  • Yamin Wang and
  • Yanfang Liu

6 August 2025

Synthetic aperture radar (SAR) images suffer from speckle noise due to their imaging mechanism, which deteriorates image interpretability and hinders subsequent tasks like target detection and recognition. Traditional denoising methods fall short of...

  • Letter
  • Open Access
29 Citations
6,131 Views
17 Pages

Hyperspectral anomaly detection plays an important role in the field of remote sensing. It provides a way to distinguish interested targets from the background without any prior knowledge. The majority of pixels in the hyperspectral dataset belong to...

  • Article
  • Open Access
29 Citations
5,100 Views
16 Pages

Double Low-Rank and Sparse Decomposition for Surface Defect Segmentation of Steel Sheet

  • Shiyang Zhou,
  • Shiqian Wu,
  • Huaiguang Liu,
  • Yang Lu and
  • Nianzong Hu

12 September 2018

Surface defect segmentation supports real-time surface defect detection system of steel sheet by reducing redundant information and highlighting the critical defect regions for high-level image understanding. Existing defect segmentation methods usua...

  • Article
  • Open Access
5 Citations
3,367 Views
22 Pages

7 January 2020

The novelty and the contribution of this paper consists of applying an iterative joint singular spectrum analysis and low-rank decomposition approach for suppressing the spikes in an electroencephalogram. First, an electroencephalogram is filtered by...

  • Article
  • Open Access
13 Citations
5,062 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...

  • Article
  • Open Access
3 Citations
2,657 Views
15 Pages

Deep convolutional neural networks have a large number of parameters and require a significant number of floating-point operations during computation, which limits their deployment in situations where the storage space is limited and computational re...

  • Article
  • Open Access
5 Citations
3,665 Views
21 Pages

4 December 2020

The accuracy of anomaly detection in hyperspectral images (HSIs) faces great challenges due to the high dimensionality, redundancy of data, and correlation of spectral bands. In this paper, to further improve the detection accuracy, we propose a nove...

  • Article
  • Open Access
4 Citations
3,282 Views
14 Pages

Discrete Shearlets as a Sparsifying Transform in Low-Rank Plus Sparse Decomposition for Undersampled (k, t)-Space MR Data

  • Nicholas E. Protonotarios,
  • Evangelia Tzampazidou,
  • George A. Kastis and
  • Nikolaos Dikaios

29 January 2022

The discrete shearlet transformation accurately represents the discontinuities and edges occurring in magnetic resonance imaging, providing an excellent option of a sparsifying transform. In the present paper, we examine the use of discrete shearlets...

  • Article
  • Open Access
4 Citations
4,059 Views
19 Pages

23 March 2020

This study proposed the concept of sparse and low-rank matrix decomposition to address the need for aviator’s night vision goggles (NVG) automated inspection processes when inspecting equipment availability. First, the automation requirements i...

  • Article
  • Open Access
16 Citations
4,458 Views
21 Pages

12 October 2017

Change detection (CD) for multitemporal hyperspectral images (HSI) can be approached as classification consisting of two steps, change feature extraction and change identification. This paper is focused on binary classification of the changed and the...

  • Article
  • Open Access
7 Citations
2,491 Views
28 Pages

15 August 2022

Condition monitoring and fault diagnosis are topics of growing interest for improving the reliability of modern industrial systems. As critical structural components, anti-friction bearings often operate under harsh conditions and are contributing fa...

  • Article
  • Open Access
8 Citations
3,661 Views
22 Pages

7 July 2022

As an open system, synthetic aperture radar (SAR) inevitably receives radio frequency interference (RFI) generated by electromagnetic equipment in the same band. The existence of RFI seriously affects SAR signal processing and image interpretation. I...

  • Article
  • Open Access
5 Citations
3,857 Views
20 Pages

17 December 2021

The massive generation of data, which includes images and videos, has made data management, analysis, information extraction difficult in recent years. To gather relevant information, this large amount of data needs to be grouped. Real-life data may...

  • Article
  • Open Access
11 Citations
4,795 Views
18 Pages

Tensor Based Multiscale Low Rank Decomposition for Hyperspectral Images Dimensionality Reduction

  • Jinliang An,
  • Jinhui Lei,
  • Yuzhen Song,
  • Xiangrong Zhang and
  • Jinmei Guo

22 June 2019

Dimensionality reduction is an essential and important issue in hyperspectral image processing. With the advantages of preserving the spatial neighborhood information and the global structure information, tensor analysis and low rank representation h...

  • Article
  • Open Access
6 Citations
5,815 Views
14 Pages

12 February 2024

Modern convolutional neural networks (CNNs) play a crucial role in computer vision applications. The intricacy of the application scenarios and the growing dataset both significantly raise the complexity of CNNs. As a result, they are often overparam...

  • Feature Paper
  • Article
  • Open Access
6 Citations
3,413 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...

  • Article
  • Open Access
818 Views
18 Pages

20 April 2025

Accurate and efficient white-spot defects detection for the surface of galvanized strip steel is one of the most important guarantees for the quality of steel production. It is a fundamental but “hard” small target detection problem due t...

  • Article
  • Open Access
2 Citations
3,762 Views
16 Pages

4 December 2018

Hyperspectral imaging technology with sufficiently discriminative spectral and spatial information brings new opportunities for robust facial image recognition. However, hyperspectral imaging poses several challenges including a low signal-to-noise r...

  • Article
  • Open Access
8 Citations
3,117 Views
22 Pages

14 October 2022

Low-rank matrix/tensor decompositions are promising methods for reducing the inference time, computation, and memory consumption of deep neural networks (DNNs). This group of methods decomposes the pre-trained neural network weights through low-rank...

  • Article
  • Open Access
21 Citations
10,275 Views
22 Pages

Learning and Compressing: Low-Rank Matrix Factorization for Deep Neural Network Compression

  • Gaoyuan Cai,
  • Juhu Li,
  • Xuanxin Liu,
  • Zhibo Chen and
  • Haiyan Zhang

20 February 2023

Recently, the deep neural network (DNN) has become one of the most advanced and powerful methods used in classification tasks. However, the cost of DNN models is sometimes considerable due to the huge sets of parameters. Therefore, it is necessary to...

  • Article
  • Open Access
5,124 Views
12 Pages

The fundamental challenge of salient object detection is to find the decision boundary that separates the salient object from the background. Low-rank recovery models address this challenge by decomposing an image or image feature-based matrix into a...

  • Article
  • Open Access
5 Citations
3,082 Views
17 Pages

7 August 2020

To solve the problem that the random distribution of noise in the time-frequency (TF) plane largely affects the readability of TF representations, a novel signal adaptive decomposition algorithm processed in TF domain, which provides adequate informa...

  • Article
  • Open Access
1 Citations
2,117 Views
31 Pages

9 April 2025

Temporal random noise (TRN) in uncooled infrared detectors significantly degrades image quality. Existing denoising techniques primarily address fixed-pattern noise (FPN) and do not effectively mitigate TRN. Therefore, a novel TRN denoising approach...

  • Article
  • Open Access
78 Citations
7,731 Views
17 Pages

28 March 2016

In this paper, a novel hyperspectral anomaly detector based on low-rank representation (LRR) and learned dictionary (LD) has been proposed. This method assumes that a two-dimensional matrix transformed from a three-dimensional hyperspectral imagery c...

  • Article
  • Open Access
5 Citations
2,316 Views
30 Pages

21 December 2023

The detection of infrared dim and small targets in complex backgrounds is very challenging because of the low signal-to-noise ratio of targets and the drastic change in background. Low-rank sparse decomposition based on the structural characteristics...

  • Article
  • Open Access
35 Citations
4,790 Views
15 Pages

10 May 2019

Addressing the problems of visual surveillance for anti-UAV, a new flying small target detection method is proposed based on Gaussian mixture background modeling in a compressive sensing domain and low-rank and sparse matrix decomposition of local im...

  • Article
  • Open Access
6 Citations
3,643 Views
14 Pages

18 July 2018

As a multichannel signal processing method based on data-driven, multivariate empirical mode decomposition (MEMD) has attracted much attention due to its potential ability in self-adaption and multi-scale decomposition for multivariate data. Commonly...

  • Article
  • Open Access
488 Views
18 Pages

1 November 2025

Patterned fabrics are characterized by strong periodic and symmetric structures, and defect detection in such materials is essentially the task of identifying local disruptions of global texture symmetry. Conventional low-rank decomposition methods s...

  • Article
  • Open Access
12 Citations
4,600 Views
24 Pages

4 July 2021

To create a realistic 3D perception on glasses-free displays, it is critical to support continuous motion parallax, greater depths of field, and wider fields of view. A new type of Layered or Tensor light field 3D display has attracted greater attent...

  • Article
  • Open Access
5 Citations
2,920 Views
18 Pages

Hybrid Threshold Denoising Framework Using Singular Value Decomposition for Side-Channel Analysis Preprocessing

  • Yuanzhen Wang,
  • Hongxin Zhang,
  • Xing Fang,
  • Xiaotong Cui,
  • Wenxu Ning,
  • Danzhi Wang,
  • Fan Fan and
  • Lei Shu

28 July 2023

The traces used in side-channel analysis are essential to breaking the key of encryption and the signal quality greatly affects the correct rate of key guessing. Therefore, the preprocessing of side-channel traces plays an important role in side-chan...

  • Article
  • Open Access
13 Citations
3,414 Views
22 Pages

Hyperspectral Anomaly Detection Based on Regularized Background Abundance Tensor Decomposition

  • Wenting Shang,
  • Mohamad Jouni,
  • Zebin Wu,
  • Yang Xu,
  • Mauro Dalla Mura and
  • Zhihui Wei

20 March 2023

The low spatial resolution of hyperspectral images means that existing mixed pixels rely heavily on spectral information, making it difficult to differentiate between the target of interest and the background. The endmember extraction method is power...

  • Communication
  • Open Access
1 Citations
1,592 Views
18 Pages

A Fourth-Order Tensorial Wiener Filter Using the Conjugate Gradient Method

  • Laura-Maria Dogariu,
  • Ruxandra-Liana Costea,
  • Constantin Paleologu and
  • Jacob Benesty

28 October 2024

The recently developed iterative Wiener filter using a fourth-order tensorial (FOT) decomposition owns appealing performance in the identification of long length impulse responses. It relies on the nearest Kronecker product representation (with parti...

  • Article
  • Open Access
3 Citations
2,335 Views
22 Pages

18 February 2025

Transformer architecture, initially developed for natural language processing and time series analysis, has been successfully adapted to various generative models in several domains. Object pose estimation, which uses images to determine the 3D posit...

  • Article
  • Open Access
11 Citations
3,899 Views
17 Pages

Multi-View Laser Point Cloud Global Registration for a Single Object

  • Shuai Wang,
  • Hua-Yan Sun,
  • Hui-Chao Guo,
  • Lin Du and
  • Tian-Jian Liu

1 November 2018

Global registration is an important step in the three-dimensional reconstruction of multi-view laser point clouds for moving objects, but the severe noise, density variation, and overlap ratio between multi-view laser point clouds present significant...

  • Article
  • Open Access
3 Citations
2,659 Views
34 Pages

Efficient Blind Hyperspectral Unmixing Framework Based on CUR Decomposition (CUR-HU)

  • Muhammad A. A. Abdelgawad,
  • Ray C. C. Cheung and
  • Hong Yan

22 February 2024

Hyperspectral imaging captures detailed spectral data for remote sensing. However, due to the limited spatial resolution of hyperspectral sensors, each pixel of a hyperspectral image (HSI) may contain information from multiple materials. Although the...

  • Article
  • Open Access
2 Citations
3,984 Views
17 Pages

This work presents a method for hyperspectral image unmixing based on non-negative tensor factorization. While traditional approaches may process spectral information without regard for spatial structures in the dataset, tensor factorization preserve...

  • Article
  • Open Access
1 Citations
1,887 Views
31 Pages

ILN-SSR: Improved Logarithmic Norm and Sparse Structure Refinement for Infrared Small Target Detection

  • Liqi Liu,
  • Rongguo Zhang,
  • Jian Mei,
  • Xinyue Ni,
  • Liyuan Li,
  • Xiaofeng Su and
  • Fansheng Chen

29 October 2024

The effective discrimination of targets from backgrounds in environments characterized by a low signal-to-clutter ratio (SCR) is paramount for the advancement of infrared small target detection (IRSTD). In this work, we propose a novel detection fram...

  • Article
  • Open Access
534 Views
24 Pages

30 September 2025

As a key technology in multimodal information processing, infrared and visible image fusion holds significant application value in fields such as military reconnaissance, intelligent security, and autonomous driving. To address the limitations of exi...

  • Article
  • Open Access
1 Citations
799 Views
27 Pages

Building energy consumption prediction (BECP) is the essential foundation for attaining energy efficiency in buildings, contributing significantly to tackling global energy challenges and facilitating energy sustainability. However, while data-driven...

  • Article
  • Open Access
3 Citations
3,427 Views
32 Pages

25 August 2022

The enormous amount of data that are generated by hyperspectral remote sensing images (HSI) combined with the spatial channel’s limited and fragile bandwidth creates serious transmission, storage, and application challenges. HSI reconstruction...

  • Article
  • Open Access
7 Citations
2,325 Views
19 Pages

Dictionary Learning-Cooperated Matrix Decomposition for Hyperspectral Target Detection

  • Yuan Yao,
  • Mengbi Wang,
  • Ganghui Fan,
  • Wendi Liu,
  • Yong Ma and
  • Xiaoguang Mei

2 September 2022

Hyperspectral target detection is one of the most challenging tasks in remote sensing due to limited spectral information. Many algorithms based on matrix decomposition (MD) are proposed to promote the separation of the background and targets, but th...

  • Article
  • Open Access
1,159 Views
17 Pages

4 February 2025

By leveraging the high correlation between multi-ping echo data, low-rank and sparse decomposition methods are applied for reverberation suppression. Previous methods typically perform decomposition on the vectorized multi-ping echograph, which is ob...

  • Article
  • Open Access
622 Views
18 Pages

Long-Term Traffic Flow Prediction for Highways Based on STLLformer Model

  • Yonggang Shen,
  • Lu Wang,
  • Yuting Zeng,
  • Zhumei Gou,
  • Chengquan Wang and
  • Zhenwei Yu

11 November 2025

Long-term traffic flow prediction (LTFP) is crucial for intelligent transportation systems but remains challenging due to complex spatiotemporal dependencies and multi-scale temporal patterns. While recent models like Autoformer have introduced decom...

  • Article
  • Open Access
2 Citations
1,659 Views
19 Pages

An Adaptive Tracking Method for Moving Target in Fluctuating Reverberation Environment

  • Ning Wang,
  • Rui Duan,
  • Kunde Yang,
  • Zipeng Li and
  • Zhanchao Liu

28 April 2024

In environments with a low signal-to-reverberation ratio (SRR) characterized by fluctuations in clutter number and distribution, particle filter-based tracking methods may experience significant fluctuations in the posterior probability of existence....

  • Article
  • Open Access
4 Citations
3,808 Views
16 Pages

6 April 2023

Recently, the performance of end-to-end speech recognition has been further improved based on the proposed Conformer framework, which has also been widely used in the field of speech recognition. However, the Conformer model is mostly applied to very...

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