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The segmentation of satellite images is crucial in remote sensing applications. Existing methods face challenges in recognizing small-scale objects in satellite images for semantic segmentation primarily due to ignoring the low-level…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Tareque Bashar Ovi , Shakil Mosharrof , Nomaiya Bashree , Md Shofiqul Islam , Muhammad Nazrul Islam

Recently, deep convolutional neural network (CNN) have been widely used in image restoration and obtained great success. However, most of existing methods are limited to local receptive field and equal treatment of different types of…

Image and Video Processing · Electrical Eng. & Systems 2021-01-26 Yucheng Hang , Qingmin Liao , Wenming Yang , Yupeng Chen , Jie Zhou

Designing an effective channel attention mechanism implores one to find a lossy-compression method allowing for optimal feature representation. Despite recent progress in the area, it remains an open problem. FcaNet, the current…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Hadi Salman , Caleb Parks , Matthew Swan , John Gauch

Effective shadow removal is pivotal in enhancing the visual quality of images in various applications, ranging from computer vision to digital photography. During the last decades physics and machine learning -based methodologies have been…

Computer Vision and Pattern Recognition · Computer Science 2024-10-23 Eirini Cholopoulou , Dimitrios E. Diamantis , Dimitra-Christina C. Koutsiou , Dimitris K. Iakovidis

In this work, we propose a novel neural network focusing on semantic labeling of ALS point clouds, which investigates the importance of long-range spatial and channel-wise relations and is termed as global relation-aware attentional network…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Rong Huang , Yusheng Xu , Uwe Stilla

Hybrid analog-digital (HAD) architecture is widely adopted in practical millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems to reduce hardware cost and energy consumption. However, channel estimation in the…

Information Theory · Computer Science 2022-05-12 Jiabao Gao , Caijun Zhong , Geoffrey Ye Li , Joseph B. Soriaga , Arash Behboodi

Inspired by the remarkable learning and prediction performance of deep neural networks (DNNs), we apply one special type of DNN framework, known as model-driven deep unfolding neural network, to reconfigurable intelligent surface…

Signal Processing · Electrical Eng. & Systems 2021-12-06 Jiguang He , Henk Wymeersch , Marco Di Renzo , Markku Juntti

Epilepsy and epileptiform discharges are common harmful brain activities, and electroencephalogram (EEG) signals are widely used to monitor the onset status of patients. However, due to the lack of unified EEG signal acquisition standards,…

Signal Processing · Electrical Eng. & Systems 2024-12-25 Weijin Xu

Building footprint extraction holds immense significance in remote sensing image analysis and has great value in urban planning, land use, environmental protection and disaster assessment. Despite the progress made by conventional and deep…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Chunshi Wang , Bin Zhao , Shuxue Ding

We present an end-to-end deep learning framework for short-term forecasting of global sea surface dynamics based on sparse satellite altimetry data. Building on two state-of-the-art architectures: U-Net and 4DVarNet, originally developed…

For the goal of automated design of high-performance deep convolutional neural networks (CNNs), Neural Architecture Search (NAS) methodology is becoming increasingly important for both academia and industries.Due to the costly stochastic…

Machine Learning · Computer Science 2021-10-12 Shengran Hu , Ran Cheng , Cheng He , Zhichao Lu , Jing Wang , Miao Zhang

While self-attention mechanism has shown promising results for many vision tasks, it only considers the current features at a time. We show that such a manner cannot take full advantage of the attention mechanism. In this paper, we present…

Computer Vision and Pattern Recognition · Computer Science 2020-07-13 Xu Ma , Jingda Guo , Sihai Tang , Zhinan Qiao , Qi Chen , Qing Yang , Song Fu

Channel estimation is crucial in 5G communication networks for optimizing transmission parameters and ensuring reliable, high-speed communication. However, the use of multiple-input and multiple-output (MIMO) and millimeter-wave (mmWave) in…

Information Theory · Computer Science 2026-05-05 Shengzhe Lyu , Yuhan She , Di Duan , Tao Ni , Yu Hin Chan , Chengwen Luo , Ray C. C. Cheung , Weitao Xu

Early detection and accurate diagnosis can predict the risk of malignant disease transformation, thereby increasing the probability of effective treatment. Identifying mild syndrome with small pathological regions serves as an ominous…

Image and Video Processing · Electrical Eng. & Systems 2026-01-15 Wei Dai , Rui Liu , Zixuan Wu , Tianyi Wu , Min Wang , Junxian Zhou , Yixuan Yuan , Jun Liu

Fluid antenna systems (FAS) signify a pivotal advancement in 6G communication by enhancing spectral efficiency and robustness. However, obtaining accurate channel state information (CSI) in FAS poses challenges due to its complex physical…

Signal Processing · Electrical Eng. & Systems 2026-02-02 Yuan Gao , Yiming Liu , Runze Yu , Shengli Liu , Yanliang Jin , Shunqing Zhang , Shugong Xu , Xiaoli Chu

Accurate modeling of the inflationary gravitational waves (GWs) requires time-consuming, iterative numerical integrations of differential equations to take into account their backreaction on the expansion history. To improve computational…

Cosmology and Nongalactic Astrophysics · Physics 2025-04-08 Fan Zhang , Yifang Luo , Bohua Li , Ruihan Cao , Wenjin Peng , Joel Meyers , Paul R. Shapiro

Deep learning has become a powerful tool for medical image analysis; however, conventional Convolutional Neural Networks (CNNs) often fail to capture the fine-grained and complex features critical for accurate diagnosis. To address this…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Zahid Ullah , Minki Hong , Tahir Mahmood , Jihie Kim

Domain-generalized retinal vessel segmentation is critical for automated ophthalmic diagnosis, yet faces significant challenges from domain shift induced by non-uniform illumination and varying contrast, compounded by the difficulty of…

Computer Vision and Pattern Recognition · Computer Science 2026-01-12 Chanchan Wang , Yuanfang Wang , Qing Xu , Guanxin Chen

The rapid development of spatial transcriptomics (ST) offers new opportunities to explore the gene expression patterns within the spatial microenvironment. Current research integrates pathological images to infer gene expression, addressing…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Junchao Zhu , Ruining Deng , Tianyuan Yao , Juming Xiong , Chongyu Qu , Junlin Guo , Siqi Lu , Yucheng Tang , Daguang Xu , Mengmeng Yin , Yu Wang , Shilin Zhao , Yaohong Wang , Haichun Yang , Yuankai Huo

The rapid development of urban low-altitude unmanned aerial vehicle (UAV) economy poses new challenges for dynamic site selection of UAV landing points and supply stations. Traditional deep reinforcement learning methods face computational…

Machine Learning · Computer Science 2025-07-16 Jianing Zhi , Xinghua Li , Zidong Chen