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Satellite communications can provide massive connections and seamless coverage, but they also face several challenges, such as rain attenuation, long propagation delays, and co-channel interference. To improve transmission efficiency and…

信号处理 · 电气工程与系统科学 2024-10-27 Peiwen Jiang , Chao-Kai Wen , Xiao Li , Shi Jin , Geoffrey Ye Li

Unsupervised multimodal change detection is pivotal for time-sensitive tasks and comprehensive multi-temporal Earth monitoring. In this study, we explore unsupervised multimodal change detection between two key remote sensing data sources:…

图像与视频处理 · 电气工程与系统科学 2024-01-18 Hongruixuan Chen , Jian Song , Naoto Yokoya

In the realm of geospatial analysis, the diversity of remote sensors, encompassing both optical and microwave technologies, offers a wealth of distinct observational capabilities. Recognizing this, we present msGFM, a multisensor geospatial…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Boran Han , Shuai Zhang , Xingjian Shi , Markus Reichstein

This article discusses the opportunities, applications and future directions of large-scale pre-trained models, i.e., foundation models, for analyzing medical images. Medical foundation models have immense potential in solving a wide range…

图像与视频处理 · 电气工程与系统科学 2023-11-23 Shaoting Zhang , Dimitris Metaxas

Compressive sensing has been receiving a great deal of interest from researchers in many areas because of its ability in speeding up data acquisition. This framework allows fast signal acquisition and compression when signals are sparse in…

信息论 · 计算机科学 2020-03-17 Fatima Salahdine , Elias Ghribi , Naima Kaabouch

Quantitative remote sensing inversion aims to estimate continuous surface variables-such as biomass, vegetation indices, and evapotranspiration-from satellite observations, supporting applications in ecosystem monitoring, carbon accounting,…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Zhenyu Yu , Mohd Yamani Idna Idris , Hua Wang , Pei Wang , Junyi Chen , Kun Wang

Sparse-view scene reconstruction often faces significant challenges due to the constraints imposed by limited observational data. These limitations result in incomplete information, leading to suboptimal reconstructions using existing…

计算机视觉与模式识别 · 计算机科学 2025-05-28 Xiangyu Sun , Runnan Chen , Mingming Gong , Dong Xu , Tongliang Liu

We examine in this paper the problem of image registration from the new perspective where images are given by sparse approximations in parametric dictionaries of geometric functions. We propose a registration algorithm that looks for an…

计算机视觉与模式识别 · 计算机科学 2013-12-31 Alhussein Fawzi , Pascal Frossard

The rapid expansion of multi-source satellite imagery drives innovation in Earth observation, opening unprecedented opportunities for Remote Sensing Foundation Models to harness diverse data. However, many existing models remain constrained…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Xuyang Li , Chenyu Li , Pedram Ghamisi , Danfeng Hong

Augmented Reality (AR) is becoming mobile. Mobile devices have many constraints but also rich new features that traditional desktop computers do not have. There are several survey papers on AR, but none is dedicated to Mobile Augmented…

图形学 · 计算机科学 2013-09-19 Zhanpeng Huang , Pan Hui , Christoph Peylo , Dimitris Chatzopoulos

Cloud segmentation is a critical challenge in remote sensing image interpretation, as its accuracy directly impacts the effectiveness of subsequent data processing and analysis. Recently, vision foundation models (VFM) have demonstrated…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Xuechao Zou , Shun Zhang , Kai Li , Shiying Wang , Junliang Xing , Lei Jin , Congyan Lang , Pin Tao

There is growing concern about how personal data are used when users grant applications direct access to the sensors of their mobile devices. In fact, high resolution temporal data generated by motion sensors reflect directly the activities…

机器学习 · 计算机科学 2018-06-21 Mohammad Malekzadeh , Richard G. Clegg , Andrea Cavallaro , Hamed Haddadi

Existing depth completion methods are often targeted at a specific sparse depth type and generalize poorly across task domains. We present a method to complete sparse/semi-dense, noisy, and potentially low-resolution depth maps obtained by…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Guangkai Xu , Wei Yin , Jianming Zhang , Oliver Wang , Simon Niklaus , Simon Chen , Jia-Wang Bian

The rapid advancement of foundation models in medical imaging represents a significant leap toward enhancing diagnostic accuracy and personalized treatment. However, the deployment of foundation models in healthcare necessitates a rigorous…

计算机视觉与模式识别 · 计算机科学 2024-10-08 Congzhen Shi , Ryan Rezai , Jiaxi Yang , Qi Dou , Xiaoxiao Li

The accuracy of indoor wireless localization systems can be substantially enhanced by map-awareness, i.e., by the knowledge of the map of the environment in which localization signals are acquired. In fact, this knowledge can be exploited…

信息论 · 计算机科学 2014-02-18 Francesco Montorsi , Fabrizio Pancaldi , Giorgio M. Vitetta

Compressed sensing is a powerful tool in applications such as magnetic resonance imaging (MRI). It enables accurate recovery of images from highly undersampled measurements by exploiting the sparsity of the images or image patches in a…

机器学习 · 统计学 2016-10-04 Saiprasad Ravishankar , Yoram Bresler

The significance of intelligent sensing systems is growing in the realm of smart services. These systems extract relevant signal features and generate informative representations for particular tasks. However, building the feature…

信号处理 · 电气工程与系统科学 2024-06-26 Tianjian Yang , Hao Zhou , Shuo Liu , Kaiwen Guo , Yiwen Hou , Haohua Du , Zhi Liu , Xiang-Yang Li

We address the problem of recovering a sparse signal observed by a resource constrained wireless sensor network under channel fading. Sparse random matrices are exploited to reduce the communication cost in forwarding information to a…

信息论 · 计算机科学 2015-04-16 Thakshila Wimalajeewa , Pramod K. Varshney

Compressed sensing is a relatively new mathematical paradigm that shows a small number of linear measurements are enough to efficiently reconstruct a large dimensional signal under the assumption the signal is sparse. Applications for this…

数值分析 · 数学 2018-01-08 Lenny Fukshansky , Deanna Needell , Benny Sudakov

We propose a sparse-coding framework for activity recognition in ubiquitous and mobile computing that alleviates two fundamental problems of current supervised learning approaches. (i) It automatically derives a compact, sparse and…

机器学习 · 计算机科学 2014-07-24 Sourav Bhattacharya , Petteri Nurmi , Nils Hammerla , Thomas Plötz