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We propose a self-supervised feature learning assisted reconstruction (SSFL-Recon) framework for MRI reconstruction to address the limitation of existing supervised learning methods. Although recent deep learning-based methods have shown…

Image and Video Processing · Electrical Eng. & Systems 2025-05-30 Siying Xu , Marcel Früh , Kerstin Hammernik , Andreas Lingg , Jens Kübler , Patrick Krumm , Daniel Rueckert , Sergios Gatidis , Thomas Küstner

Decreasing magnetic resonance (MR) image acquisition times can potentially reduce procedural cost and make MR examinations more accessible. Compressed sensing (CS)-based image reconstruction methods, for example, decrease MR acquisition…

Image and Video Processing · Electrical Eng. & Systems 2018-10-31 Roberto Souza , Richard Frayne

Infrared small targets are typically tiny and locally salient, which belong to high-frequency components (HFCs) in images. Single-frame infrared small target (SIRST) detection is challenging, since there are many HFCs along with targets,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Ruojing Li , Chao Xiao , Qian Yin , Wei An , Nuo Chen , Xinyi Ying , Miao Li , Yingqian Wang

Magnetic Resonance Imaging (MRI) is widely used in clinical practice, but suffered from prolonged acquisition time. Although deep learning methods have been proposed to accelerate acquisition and demonstrate promising performance, they rely…

Image and Video Processing · Electrical Eng. & Systems 2025-12-30 Hao Zhang , Qi Wang , Jian Sun , Zhijie Wen , Jun Shi , Shihui Ying

Hyperspectral images are of crucial importance in order to better understand features of different materials. To reach this goal, they leverage on a high number of spectral bands. However, this interesting characteristic is often paid by a…

Image and Video Processing · Electrical Eng. & Systems 2020-06-01 Jin-Fan Hu , Ting-Zhu Huang , Liang-Jian Deng , Tai-Xiang Jiang , Gemine Vivone , Jocelyn Chanussot

Fusion-based hyperspectral image (HSI) super-resolution has become increasingly prevalent for its capability to integrate high-frequency spatial information from the paired high-resolution (HR) RGB reference image. However, most of the…

Computer Vision and Pattern Recognition · Computer Science 2023-02-14 Zeqiang Lai , Ying Fu , Jun Zhang

Hyperspectral imaging (HSI) captures spatial information along with dense spectral measurements across numerous narrow wavelength bands. This rich spectral content has the potential to facilitate robust robotic perception, particularly in…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Juana Valeria Hurtado , Rohit Mohan , Abhinav Valada

Objective: X-ray computed tomography employing sparse projection views has emerged as a contemporary technique to mitigate radiation dose. However, due to the inadequate number of projection views, an analytic reconstruction method…

Machine Learning · Computer Science 2025-01-10 Yoseob Han

Generalized Category Discovery (GCD) holds significant promise for the label-scarce Synthetic Aperture Radar (SAR) domain, yet its efficacy is severely constrained by the cross-modal incompatibility between the inherent optical prior of the…

Computer Vision and Pattern Recognition · Computer Science 2026-04-27 Jingyuan Xia , Ruikang Hu , Ye Li , Zhixiong Yang , Xu Lan , Zhejun Lu

This paper presents a novel unsupervised domain adaptation framework, called Synergistic Image and Feature Adaptation (SIFA), to effectively tackle the problem of domain shift. Domain adaptation has become an important and hot topic in…

Computer Vision and Pattern Recognition · Computer Science 2019-06-19 Cheng Chen , Qi Dou , Hao Chen , Jing Qin , Pheng-Ann Heng

Many real-world time series exhibit strong periodic structures arising from physical laws, human routines, or seasonal cycles. However, modern deep forecasting models often fail to capture these recurring patterns due to spectral bias and a…

Machine Learning · Computer Science 2025-08-05 Menglin Kong , Vincent Zhihao Zheng , Lijun Sun

Many algorithms have been developed to solve the inverse problem of coded aperture snapshot spectral imaging (CASSI), i.e., recovering the 3D hyperspectral images (HSIs) from a 2D compressive measurement. In recent years, learning-based…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Yuanhao Cai , Jing Lin , Xiaowan Hu , Haoqian Wang , Xin Yuan , Yulun Zhang , Radu Timofte , Luc Van Gool

The graph embedding (GE) methods have been widely applied for dimensionality reduction of hyperspectral imagery (HSI). However, a major challenge of GE is how to choose proper neighbors for graph construction and explore the spatial…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Hong Huang , Guangyao Shi , Haibo He , Yule Duan , Fulin Luo

High-dimensional images, known for their rich semantic information, are widely applied in remote sensing and other fields. The spatial information in these images reflects the object's texture features, while the spectral information…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Daixun Li , Weiying Xie , Jiaqing Zhang , Yunsong Li

In coded aperture snapshot spectral compressive imaging (CASSI) systems, hyperspectral image (HSI) reconstruction methods are employed to recover the spatial-spectral signal from a compressed measurement. Among these algorithms, deep…

Image and Video Processing · Electrical Eng. & Systems 2022-10-18 Yuanhao Cai , Jing Lin , Haoqian Wang , Xin Yuan , Henghui Ding , Yulun Zhang , Radu Timofte , Luc Van Gool

Spectral super-resolution (SSR) aims at generating a hyperspectral image (HSI) from a given RGB image. Recently, a promising direction for SSR is to learn a complicated mapping function from the RGB image to the HSI counterpart using a deep…

Computer Vision and Pattern Recognition · Computer Science 2019-03-27 Lei Zhang , Zhiqiang Lang , Peng Wang , Wei Wei , Shengcai Liao , Ling Shao , Yanning Zhang

Spectral computed tomography (CT) with photon-counting detectors holds immense potential for material discrimination and tissue characterization. However, under ultra-low-dose conditions, the sharply degraded signal-to-noise ratio (SNR) in…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Peng Peng , Xinrui Zhang , Junlin Wang , Lei Li , Shaoyu Wang , Qiegen Liu

Meta-learning offers a promising avenue for few-shot learning (FSL), enabling models to glean a generalizable feature embedding through episodic training on synthetic FSL tasks in a source domain. Yet, in practical scenarios where the…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Fei Zhou , Peng Wang , Lei Zhang , Zhenghua Chen , Wei Wei , Chen Ding , Guosheng Lin , Yanning Zhang

Removing the noise and improving the visual quality of hyperspectral images (HSIs) is challenging in academia and industry. Great efforts have been made to leverage local, global or spectral context information for HSI denoising. However,…

Image and Video Processing · Electrical Eng. & Systems 2023-04-20 Haodong Pan , Feng Gao , Junyu Dong , Qian Du

Hyperspectral image (HSI) classification is challenging in complex scenes due to spectral ambiguity, spatial heterogeneity, and the strong coupling between material properties and geometric structures. Although LiDAR provides complementary…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Zekun Long , Judy X. Yang , Jing Wang , Ali Zia , Guanyiman Fu , Jun Zhou
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