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Cloud occlusion severely degrades the semantic integrity of optical remote sensing imagery. While incorporating Synthetic Aperture Radar (SAR) provides complementary observations, achieving efficient global modeling and reliable cross-modal…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Chenxing Meng , Wuzhou Quan , Yingjie Cai , Liqun Cao , Liyan Zhang , Mingqiang Wei

Incorporating mobile edge computing (MEC) in Internet of Things (IoT) enables resource-limited IoT devices to offload their computation tasks to a nearby edge server. In this paper, we investigate an IoT system assisted by the MEC technique…

信息论 · 计算机科学 2021-12-30 Xuming An , Rongfei Fan , Han Hu , Ning Zhang , Saman Atapattu , Theodoros A. Tsiftsis

Being able to provide latency guarantees for orbital edge computing applications through Low Earth Orbit (LEO) satellite constellations is a major milestone for their integration into 5G and 6G networks. However, achieving this is…

网络与互联网体系结构 · 计算机科学 2026-05-12 Nicolai Dalsgaard Lyholm , Beatriz Soret , Tijana Devaja , Thomas Grundgaard Mulvad , Cedomir Stefanovic , Israel Leyva-Mayorga

Foundation models offer a promising route to transferable remote sensing representations, but many current approaches depend on very large pretraining datasets and fixed sensor configurations, limiting their suitability for ecological and…

Over-the-air computation (OAC) enables low-latency aggregation over multiple-access channels (MACs) by exploiting the superposition property of the wireless medium to compute functions efficiently in distributed networks. A critical but…

信号处理 · 电气工程与系统科学 2026-02-25 Saeed Razavikia , Deniz Gündüz , Carlo Fischione

With the rapid growth of the Internet of Things (IoT), integrating artificial intelligence (AI) on extremely weak embedded devices has garnered significant attention, enabling improved real-time performance and enhanced data privacy.…

计算机视觉与模式识别 · 计算机科学 2025-11-17 Jiaming Huang , Yi Gao , Fuchang Pan , Renjie Li , Wei Dong

Convolutional Neural Networks (CNNs) use pooling to decrease the size of activation maps. This process is crucial to increase the receptive fields and to reduce computational requirements of subsequent convolutions. An important feature of…

计算机视觉与模式识别 · 计算机科学 2021-03-19 Alexandros Stergiou , Ronald Poppe , Grigorios Kalliatakis

The huge amount of data generated by the Internet of things (IoT) devices needs the computational power and storage capacity provided by cloud, edge, and fog computing paradigms. Each of these computing paradigms has its own pros and cons.…

网络与互联网体系结构 · 计算机科学 2022-02-23 Binayak Kar , Widhi Yahya , Ying-Dar Lin , Asad Ali

The advent of the sixth-generation (6G) wireless networks, enhanced by artificial intelligence, promises ubiquitous connectivity through Low Earth Orbit (LEO) satellites. These satellites are capable of collecting vast amounts of…

信息论 · 计算机科学 2025-11-25 Loc X. Nguyen , Sheikh Salman Hassan , Yu Min Park , Yan Kyaw Tun , Zhu Han , Choong Seon Hong

Low Earth orbit (LEO) satellite systems experience significant Doppler effects due to high mobility. While Doppler shifts can be largely compensated, residual frequency uncertainty induces a structured form of channel uncertainty that can…

信息论 · 计算机科学 2026-02-05 Pablo Orellana , Zheng Li , Jean-Marc Kelif , Sheng Yang , Shlomo Shamai

Over the last years, Convolutional Neural Networks (CNNs) have been the dominating neural architecture in a wide range of computer vision tasks. From an image and signal processing point of view, this success might be a bit surprising as…

计算机视觉与模式识别 · 计算机科学 2022-09-21 Julia Grabinski , Steffen Jung , Janis Keuper , Margret Keuper

Low Earth orbit (LEO) constellations violate core assumptions of standard (quantum) federated learning (FL): client-server connectivity is intermittent, participation is time varying, and latency budgets are strict. We present sat-QFL, a…

分布式、并行与集群计算 · 计算机科学 2025-09-23 Dev Gurung , Shiva Raj Pokhrel

The empowering unmanned aerial vehicles (UAVs) have been extensively used in providing intelligence such as target tracking. In our field experiments, a pre-trained convolutional neural network (CNN) is deployed at the UAV to identify a…

图像与视频处理 · 电气工程与系统科学 2020-08-19 Bo Yang , Xuelin Cao , Chau Yuen , Lijun Qian

Anomaly and missing data constitute a thorny problem in industrial applications. In recent years, deep learning enabled anomaly detection has emerged as a critical direction, however the improved detection accuracy is achieved with the…

机器学习 · 计算机科学 2024-11-07 Alexandros Gkillas , Aris Lalos

Closing the gap between the hardware requirements of state-of-the-art convolutional neural networks and the limited resources constraining embedded applications is the next big challenge in deep learning research. The computational…

To achieve communication-efficient federated multitask learning (FMTL), we propose an over-the-air FMTL (OAFMTL) framework, where multiple learning tasks deployed on edge devices share a non-orthogonal fading channel under the coordination…

信息论 · 计算机科学 2022-05-10 Haoming Ma , Xiaojun Yuan , Zhi Ding , Dian Fan , Jun Fang

Communication overhead is a known bottleneck in federated learning (FL). To address this, lossy compression is commonly used on the information communicated between the server and clients during training. In horizontal FL, where each client…

机器学习 · 计算机科学 2025-02-25 Pedro Valdeira , João Xavier , Cláudia Soares , Yuejie Chi

Recent breakthroughs in technology have led to a thriving "new space" culture in low-Earth orbit (LEO) in which performance and cost considerations dominate over resilience and reliability as mission goals. These advances create a manifold…

网络与互联网体系结构 · 计算机科学 2022-10-21 Gregory Stock , Juan A. Fraire , Holger Hermanns , Eduardo Cruz , Alastair Isaacs , Zhana Imbrosh

Non-terrestrial network (NTN) communication has garnered considerable attention from government entities, industries, and academia in recent times. NTN networks encompass a variety of systems, including Low Earth Orbit (LEO) satellites,…

信息论 · 计算机科学 2024-01-22 Mahfuzur Rahman , Zoheb Hassan , Jeffrey H. Reed , Lingjia Liu

Clustering functional data in the presence of phase variation is challenging, as temporal misalignment can obscure intrinsic shape differences and degrade clustering performance. Most existing approaches treat registration and clustering as…

机器学习 · 统计学 2026-04-30 Xinyang Xiong , Siyuan jiang , Pengcheng Zeng