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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

We present a simple, efficient, and scalable unfolding network, SAUNet, to simplify the network design with an adaptive alternate optimization framework for hyperspectral image (HSI) reconstruction. SAUNet customizes a Residual Adaptive…

Computer Vision and Pattern Recognition · Computer Science 2023-01-25 Junyu Wang , Shijie Wang , Wenyu Liu , Zengqiang Zheng , Xinggang Wang

Hyperspectral pansharpening aims to synthesize a low-resolution hyperspectral image (LR-HSI) with a registered panchromatic image (PAN) to generate an enhanced HSI with high spectral and spatial resolution. Recently proposed HS…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Wele Gedara Chaminda Bandara , Jeya Maria Jose Valanarasu , Vishal M. Patel

Self-supervised learning guided by masked image modelling, such as Masked AutoEncoder (MAE), has attracted wide attention for pretraining vision transformers in remote sensing. However, MAE tends to excessively focus on pixel details,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Yi Wang , Hugo Hernández Hernández , Conrad M Albrecht , Xiao Xiang Zhu

Image restoration endeavors to reconstruct a high-quality, detail-rich image from a degraded counterpart, which is a pivotal process in photography and various computer vision systems. In real-world scenarios, different types of degradation…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Yuhong He , Long Peng , Qiaosi Yi , Chen Wu , Lu Wang

Magnetic resonance imaging (MRI) can present multi-contrast images of the same anatomical structures, enabling multi-contrast super-resolution (SR) techniques. Compared with SR reconstruction using a single-contrast, multi-contrast SR…

Image and Video Processing · Electrical Eng. & Systems 2022-03-29 Guangyuan Li , Jun Lv , Yapeng Tian , Qi Dou , Chengyan Wang , Chenliang Xu , Jing Qin

In recent years, multi-view subspace learning has been garnering increasing attention. It aims to capture the inner relationships of the data that are collected from multiple sources by learning a unified representation. In this way,…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Shizhen Chang , Michael Kopp , Pedram Ghamisi

Remote Sensing Image-Text Retrieval (RSITR) is pivotal for knowledge services and data mining in the remote sensing (RS) domain. Considering the multi-scale representations in image content and text vocabulary can enable the models to learn…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Rui Yang , Shuang Wang , Yingping Han , Yuanheng Li , Dong Zhao , Dou Quan , Yanhe Guo , Licheng Jiao

Coded aperture snapshot spectral imaging (CASSI) makes it possible to recover 3D hyperspectral data from a single 2D image. However, the reconstruction problem is severely underdetermined and efforts to improve the compression ratio…

Optics · Physics 2022-08-03 Jiri Hlubucek , Jakub Lukes , Jan Vaclavik , Karel Zidek

The application of compressed sensing (CS)-enabled data reconstruction for accelerating magnetic resonance imaging (MRI) remains a challenging problem. This is due to the fact that the information lost in k-space from the acceleration mask…

Image and Video Processing · Electrical Eng. & Systems 2023-06-22 Guoyao Shen , Boran Hao , Mengyu Li , Chad W. Farris , Ioannis Ch. Paschalidis , Stephan W. Anderson , Xin Zhang

Susceptibility Map Weighted Imaging (SMWI) is an advanced magnetic resonance imaging technique used to detect nigral hyperintensity in Parkinsons disease. However, full resolution SMWI acquisition is limited by long scan times. Efficient…

Image and Video Processing · Electrical Eng. & Systems 2025-12-30 Muhammad Usman , Sung-Min Gho

Remote sensing images often suffer from substantial data loss due to factors such as thick cloud cover and sensor limitations. Existing methods for imputing missing values in remote sensing images fail to fully exploit spatiotemporal…

Computer Vision and Pattern Recognition · Computer Science 2025-06-05 Zaiyan Zhang , Jining Yan , Yuanqi Liang , Jiaxin Feng , Haixu He , Li Cao

We present RND-SCI, a novel framework for compressive hyperspectral image (HSI) reconstruction. Our framework decomposes the reconstructed object into range-space and null-space components, where the range-space part ensures the solution…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Junyu Wang , Shijie Wang , Ruijie Zhang , Zengqiang Zheng , Wenyu Liu , Xinggang Wang

Hyperspectral image (HSI) classification is pivotal in the remote sensing (RS) field, particularly with the advancement of deep learning techniques. Sequential models, adapted from the natural language processing (NLP) field such as…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Weilian Zhou , Sei-Ichiro Kamata , Haipeng Wang , Man-Sing Wong , Huiying , Hou

Hyperspectral satellite imagery offers sub-30 m views of Earth in hundreds of contiguous spectral bands, enabling fine-grained mapping of soils, crops, and land cover. While self-supervised Masked Autoencoders excel on RGB and low-band…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Tanjim Bin Faruk , Abdul Matin , Shrideep Pallickara , Sangmi Lee Pallickara

Displaying the large number of bands in a hyper spectral image on a trichromatic monitor has been an active research topic. The visualized image shall convey as much information as possible form the original data and facilitate image…

Computer Vision and Pattern Recognition · Computer Science 2018-01-23 Danping Liao , Siyu Chen , Yuntao Qian

Masked Image Modeling (MIM) achieves outstanding success in self-supervised representation learning. Unfortunately, MIM models typically have huge computational burden and slow learning process, which is an inevitable obstacle for their…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Haoqing Wang , Yehui Tang , Yunhe Wang , Jianyuan Guo , Zhi-Hong Deng , Kai Han

Pre-training has been an important ingredient in developing strong monocular depth estimation models in recent years. For instance, self-supervised learning (SSL) is particularly effective by alleviating the need for large datasets with…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Muhammad Osama Khan , Junbang Liang , Chun-Kai Wang , Shan Yang , Yu Lou

Hyperspectral reconstruction (HSR) from RGB images is a highly promising direction for accurate color reproduction and material color measurement. While most existing approaches rely on a single RGB image - thereby limiting reconstruction…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Daniil Reutsky , Daniil Vladimirov , Yasin Mamedov , Georgy Perevozchikov , Nancy Mehta , Egor Ershov , Radu Timofte

In recent studies on MRI reconstruction, advances have shown significant promise for further accelerating the MRI acquisition. Most state-of-the-art methods require a large amount of fully-sampled data to optimise reconstruction models,…

Image and Video Processing · Electrical Eng. & Systems 2023-12-04 Junwei Yang , Pietro Liò