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相关论文: SwinFi: a CSI Compression Method based on Swin Tra…

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With exponential growth in the use of digital image data, the need for efficient transmission methods has become imperative. Traditional image compression techniques often sacrifice image fidelity for reduced file sizes, challenging…

图像与视频处理 · 电气工程与系统科学 2024-10-15 Aryan Kashyap Naveen , Sunil Thunga , Anuhya Murki , Mahati A Kalale , Shriya Anil

WiFi sensing has been evolving rapidly in recent years. Empowered by propagation models and deep learning methods, many challenging applications are realized such as WiFi-based human activity recognition and gesture recognition. However, in…

机器学习 · 计算机科学 2023-02-20 Jianfei Yang , Xinyan Chen , Dazhuo Wang , Han Zou , Chris Xiaoxuan Lu , Sumei Sun , Lihua Xie

Coded aperture snapshot spectral imaging (CASSI) retrieves a 3D hyperspectral image (HSI) from a single 2D compressed measurement, which is a highly challenging reconstruction task. Recent deep unfolding networks (DUNs), empowered by…

计算机视觉与模式识别 · 计算机科学 2025-09-16 Xiaodong Wang , Ping Wang , Zijun He , Mengjie Qin , Xin Yuan

In the compressive spectral imaging (CSI) framework, different architectures have been proposed to recover high-resolution spectral images from compressive measurements. Since CSI architectures compactly capture the relevant information of…

图像与视频处理 · 电气工程与系统科学 2020-12-02 Juan Marcos Ramirez , Jose Ignacio Martinez-Torre , Henry Arguello

Due to the discarding of downlink channel state information (CSI) amplitude and the employing of iteration reconstruction algorithms, 1-bit compressed sensing (CS)-based superimposed CSI feedback is challenged by low recovery accuracy and…

信号处理 · 电气工程与系统科学 2022-01-21 Chaojin Qing , Qing Ye , Wenhui Liu , Jiafan Wang

WiFi human sensing is highly regarded for its low-cost and privacy advantages in recognizing human activities. However, its effectiveness is largely confined to controlled, single-user, line-of-sight settings, limited by data collection…

信号处理 · 电气工程与系统科学 2024-01-12 Qian Gao , Yanling Hao , Yuanwei Liu

Many service computing applications require real-time dataset collection from multiple devices, necessitating efficient sampling techniques to reduce bandwidth and storage pressure. Compressive sensing (CS) has found wide-ranging…

图像与视频处理 · 电气工程与系统科学 2024-07-03 Kuiyuan Zhang , Zhongyun Hua , Yuanman Li , Yushu Zhang , Yicong Zhou

Securing Internet of Things (IoT) devices presents increasing challenges due to their limited computational and energy resources. Radio Frequency Fingerprint Identification (RFFI) emerges as a promising authentication technique to identify…

信号处理 · 电气工程与系统科学 2025-03-10 Guolin Yin , Junqing Zhang , Yuan Ding , Simon Cotton

We propose WiFlexFormer, a highly efficient Transformer-based architecture designed for WiFi Channel State Information (CSI)-based person-centric sensing. We benchmark WiFlexFormer against state-of-the-art vision and specialized…

计算机视觉与模式识别 · 计算机科学 2024-11-08 Julian Strohmayer , Matthias Wödlinger , Martin Kampel

Image restoration has witnessed significant advancements with the development of deep learning models. Transformer-based models, particularly those using window-based self-attention, have become a dominant force. However, their performance…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Gang Wu , Junjun Jiang , Kui Jiang , Xianming Liu , Liqiang Nie

Pansharpening aims to fuse high-resolution panchromatic (PAN) images with low-resolution multispectral (LRMS) images to generate high-resolution multispectral (HRMS) images. Although deep learning-based methods have achieved promising…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Zeyu Xia , Chenxi Sun , Tianyu Xin , Yubo Zeng , Haoyu Chen , Liang-Jian Deng

Estimating closely spaced frequency components of a signal is a fundamental problem in statistical signal processing. In this letter, we introduce 1-D real-valued and complex-valued shifted window (Swin) transformers, referred to as…

信号处理 · 电气工程与系统科学 2023-09-19 Josiah W. Smith , Murat Torlak

Humans learn in two complementary ways: a slow, cumulative process that builds broad, general knowledge, and a fast, on-the-fly process that captures specific experiences. Existing deep-unfolding methods for spectral compressive imaging…

计算机视觉与模式识别 · 计算机科学 2025-12-29 Haijin Zeng , Xuan Lu , Yurong Zhang , Qiangqiang Shen , Guoqing Chao , Li Jiang , Yongyong Chen

Accurate channel state information (CSI) feedback plays a vital role in improving the performance gain of massive multiple-input multiple-output (m-MIMO) systems, where the dilemma is excessive CSI overhead versus limited feedback bandwith.…

信号处理 · 电气工程与系统科学 2020-08-18 Yuyao Sun , Wei Xu , Lisheng Fan , Geoffrey Ye Li , George K. Karagiannidis

Remote Sensing (RS) single-image super-resolution aims to reconstruct high-resolution imagery from low-resolution observations while preserving fine spatial structures. Recent Swin Transformer-based models, including Swin2SR, provide strong…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Md Aminur Hossain , Parekh Valkesh , Ayush V. Patel , Yogesh Jethani , Sanjay K. Singh , Biplab Banerjee

Given the rapid advancements in wireless communication and terminal devices, high-speed and convenient WiFi has permeated various aspects of people's lives, and attention has been drawn to the location services that WiFi can provide.…

信号处理 · 电气工程与系统科学 2023-07-03 Jiyu Jiao , Xiaojun Wang , Chenlin He

Wi-Fi sensing has emerged as a powerful non-intrusive technology for recognizing human activities, monitoring vital signs, and enabling context-aware applications using commercial wireless devices. However, the performance of Wi-Fi sensing…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Fei Wang , Tingting Zhang , Wei Xi , Han Ding , Ge Wang , Di Zhang , Yuanhao Cui , Fan Liu , Jinsong Han , Jie Xu , Tony Xiao Han

Passenger counting is crucial for public transport vehicle scheduling and traffic capacity evaluation. However, most existing methods are either costly or with low counting accuracy, leading to the recent use of Wi-Fi signals for this…

信号处理 · 电气工程与系统科学 2024-10-16 Jingtao Guo , Wenhao Zhuang , Yuyi Mao , Ivan Wang-Hei Ho

Compressed sensing (CS) is a valuable technique for reconstructing measurements in numerous domains. CS has not yet gained widespread adoption in scanning tunneling microscopy (STM), despite potentially offering the advantages of lower…

介观与纳米尺度物理 · 物理学 2022-02-09 Brian E. Lerner , Anayeli Flores-Garibay , Benjamin J. Lawrie , Petro Maksymovych

Compressive Sensing (CS) theory asserts that sparse signal reconstruction is possible from a small number of linear measurements. Although CS enables low-cost linear sampling, it requires non-linear and costly reconstruction. Recent…

机器学习 · 计算机科学 2018-10-16 Aysen Degerli , Sinem Aslan , Mehmet Yamac , Bulent Sankur , Moncef Gabbouj