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Masking strategies commonly employed in natural language processing are still underexplored in vision tasks such as concept learning, where conventional methods typically rely on full images. However, using masked images diversifies…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Yuwei Sun , Lu Mi , Ippei Fujisawa , Ruiqiao Mei , Jimin Chen , Siyu Zhu , Ryota Kanai

Channel knowledge maps (CKMs) provide a site-specific, location-indexed knowledge base that supports environment-aware communications and sensing in 6G networks. In practical deployments, CKM observations are often noisy and irregular due…

Signal Processing · Electrical Eng. & Systems 2026-02-10 Sixu Xiao , Yong Zeng , Haotian Rong , Yanqun Tang

For high data rate wireless communication systems, developing an efficient channel estimation approach is extremely vital for channel detection and signal recovery. With the trend of high-mobility wireless communications between vehicles…

Signal Processing · Electrical Eng. & Systems 2019-07-11 Tian-Hao Li , Muhammad R. A. Khandaker , Faisal Tariq , Kai-Kit Wong , Risala T. Khan

Distributed massive MIMO is considered a key advancement for improving the performance of next-generation wireless telecommunication systems. However, its efficacy in scenarios involving user mobility is limited due to channel aging. To…

Information Theory · Computer Science 2024-10-16 Phillip Stephan , Florian Euchner , Stephan ten Brink

Channel covariance matrix (CCM) is one critical parameter for designing the communications systems. In this paper, a novel framework of the deep learning (DL) based CCM estimation is proposed that exploits the perception of the transmission…

Signal Processing · Electrical Eng. & Systems 2023-04-19 Weihua Xu , Feifei Gao , Jianhua Zhang , Xiaoming Tao , Ahmed Alkhateeb

Depth completion endeavors to reconstruct a dense depth map from sparse depth measurements, leveraging the information provided by a corresponding color image. Existing approaches mostly hinge on single-scale propagation strategies that…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Kun Wang , Zhiqiang Yan , Junkai Fan , Jun Li , Jian Yang

Predicting panoramic indoor lighting from a single perspective image is a fundamental but highly ill-posed problem in computer vision and graphics. To achieve locale-aware and robust prediction, this problem can be decomposed into three…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Jiayang Bai , Zhen He , Shan Yang , Jie Guo , Zhenyu Chen , Yan Zhang , Yanwen Guo

Site-specific channel inference plays a critical role in the design and evaluation of next-generation wireless communication systems by considering the surrounding propagation environment. However, traditional methods are unscalable.…

Image and Video Processing · Electrical Eng. & Systems 2026-04-14 Junzhe Song , Ruisi He , Mi Yang , Zhengyu Zhang , Shuaiqi Gao , Bo Ai , Zhangdui Zhong

Large-scale diffusion models have made significant advances in image generation, particularly through cross-attention mechanisms. While cross-attention has been well-studied in text-to-image tasks, their interpretability in image-to-image…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Junseo Park , Hyeryung Jang

Channel gain maps (CGMs) enable propagation-aware services in edge-intelligent wireless communication networks, while diffusion-based CGM construction is memory intensive for on-device training or adaptation. This letter proposes…

Signal Processing · Electrical Eng. & Systems 2026-04-14 Ruifeng Gao , Sen Li , Jue Wang , Qiuming Zhu , Shu Sun

Intelligent Reflecting Surfaces (IRSs) have potential for significant performance gains in next-generation wireless networks but face key challenges, notably severe double-pathloss and complex multi-user scheduling due to hardware…

Information Theory · Computer Science 2025-08-12 Xintong Chen , Zhenyu Jiang , Jiangbin Lyu , Liqun Fu

This paper investigates narrowband coordinated user scheduling in multi-cell massive multiple-input multiple-output (MIMO) systems. We formulate the problem under a spectral-efficiency maximization criterion, revealing inherent challenges…

Signal Processing · Electrical Eng. & Systems 2026-03-24 Jiayang Wan , Hongwei Hou , Jiawei Zhuang , Wenjin Wang , Shi Jin

The advancement of advanced air mobility (AAM) in recent years has given rise to the concept of low-altitude economy (LAE). However, the diverse flight activities associated with the emerging LAE applications in urban scenarios confront…

Signal Processing · Electrical Eng. & Systems 2025-04-18 Yonghao Wang , Ruoguang Li , Di Wu , Jiaqi Chen , Yong Zeng

This letter addresses the joint air corridor planning and base station (BS) deployment problem for low-altitude integrated sensing and communication (ISAC) networks. In the considered system, unmanned aerial vehicles (UAVs) operate within a…

Signal Processing · Electrical Eng. & Systems 2025-12-15 Jiaxuan Li , Yilong Chen , Fan Liu , Jie Xu

This paper develops a multi-task learning framework that attempts to incorporate the image structure knowledge to assist image inpainting, which is not well explored in previous works. The primary idea is to train a shared generator to…

Computer Vision and Pattern Recognition · Computer Science 2020-02-13 Jie Yang , Zhiquan Qi , Yong Shi

Spatio-temporal modeling of wireless access latency is of great importance for connected-vehicular systems. The quality of the molded results rely heavily on the number and quality of samples which can vary significantly due to the sensor…

Signal Processing · Electrical Eng. & Systems 2020-03-17 Rong Xia , Yong Xiao , Yingyu Li , Marwan Krunz , Dusit Niyato

Graph Neural Networks (GNNs) are the currently most effective methods for predicting molecular properties but there remains a need for more accurate models. GNN accuracy can be improved by increasing the model complexity but this also…

Machine Learning · Computer Science 2025-10-24 Teng Jiek See , Daokun Zhang , Mario Boley , David K. Chalmers

With the development of the sixth-generation (6G) communication system, Channel State Information (CSI) plays a crucial role in improving network performance. Traditional Channel Charting (CC) methods map high-dimensional CSI data to…

Signal Processing · Electrical Eng. & Systems 2026-02-03 Yuan Gao , Wenjing Xie , Yiming Liu , Bintao Hu , Jianbo Du , Shugong Xu

With the rapid development of intelligent transportation and smart city applications, urban canyon has become a critical scenario for the design and evaluation of wireless communication systems. Due to its unique environmental layout, the…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Junzhe Song , Ruisi He , Mi Yang , Zhengyu Zhang , Xinwen Chen , Xiaoying Zhang , Bo Ai

We introduce a novel neural network, SkyReconNet, which combines the expanded receptive fields of dilated convolutional layers along with standard convolutions, to capture both the global and local features for reconstructing the missing…

Cosmology and Nongalactic Astrophysics · Physics 2025-05-26 Reyhan D. Lambaga , Vipin Sudevan , Pisin Chen