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

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Seismic images obtained by stacking or migration are usually characterized as low signal-to-noise ratio (SNR), low dominant frequency and sparse sampling both in depth (or time) and offset dimensions. For improving the resolution of seismic…

地球物理 · 物理学 2024-08-06 Shiqi Dong , Xintong Dong , Kaiyuan Zheng , Ming Cheng , Tie Zhong , Hongzhou Wang

The existing deep learning fusion methods mainly concentrate on the convolutional neural networks, and few attempts are made with transformer. Meanwhile, the convolutional operation is a content-independent interaction between the image and…

计算机视觉与模式识别 · 计算机科学 2022-04-26 Zhishe Wang , Yanlin Chen , Wenyu Shao , Hui Li , Lei Zhang

The Transformer-based method has demonstrated remarkable performance for image super-resolution in comparison to the method based on the convolutional neural networks (CNNs). However, using the self-attention mechanism like SwinIR (Image…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Rui-Yang Ju , Chih-Chia Chen , Jen-Shiun Chiang , Yu-Shian Lin , Wei-Han Chen , Chun-Tse Chien

The present paper introduces a method for substantial reduction of the number of diffusion encoding gradients required for reliable reconstruction of HARDI signals. The method exploits the theory of compressed sensing (CS), which…

信息论 · 计算机科学 2010-09-21 Oleg Michailovich , Yogesh Rathi , Sudipto Dolui

We present DeepCSI, a novel approach to Wi-Fi radio fingerprinting (RFP) which leverages standard-compliant beamforming feedback matrices to authenticate MU-MIMO Wi-Fi devices on the move. By capturing unique imperfections in off-the-shelf…

网络与互联网体系结构 · 计算机科学 2022-12-01 Francesca Meneghello , Michele Rossi , Francesco Restuccia

The Internet of Things (IoT) has boomed in recent years, with an ever-growing number of connected devices and a corresponding exponential increase in network traffic. As a result, IoT devices have become potential witnesses of the…

网络与互联网体系结构 · 计算机科学 2023-05-19 Fabio Palmese , Alessandro E. C. Redondi

\textbf{Purpose} This study aims to address the growing challenge of distinguishing computer-generated imagery (CGI) from authentic digital images in the RGB color space. Given the limitations of existing classification methods in handling…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Preetu Mehta , Aman Sagar , Suchi Kumari

Using commodity WiFi data for applications such as indoor localization, object identification and tracking and channel sounding has recently gained considerable attention. We study the problem of channel impulse response (CIR) estimation…

In wireless communication, accurate channel state information (CSI) is of pivotal importance. In practice, due to processing and feedback delays, estimated CSI can be outdated, which can severely deteriorate the performance of the…

信号处理 · 电气工程与系统科学 2021-04-02 Muhammad Karam Shehzad , Luca Rose , Mohamad Assaad

This study presents a parameter-light, low-complexity artificial intelligence/machine learning (AI/ML) model that enhances channel state information (CSI) feedback in wireless systems by jointly exploiting temporal, spatial, and frequency…

信号处理 · 电气工程与系统科学 2025-05-08 Aakash Saini , Yunchou Xing , Jee Hyun Kim , Amir Ahmadian Tehrani , Wolfgang Gerstacker

Self-supervised image denoising implies restoring the signal from a noisy image without access to the ground truth. State-of-the-art solutions for this task rely on predicting masked pixels with a fully-convolutional neural network. This…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Mikhail Papkov , Pavel Chizhov , Leopold Parts

Wi-Fi sensing is gaining momentum as a non-intrusive and privacy-preserving alternative to vision-based systems for human identification. However, person identification through wireless signals, particularly without user motion, remains…

The recent advances in machine learning and deep neural networks have made them attractive candidates for wireless communications functions such as channel estimation, decoding, and downlink channel state information (CSI) compression.…

网络与互联网体系结构 · 计算机科学 2023-11-15 Omar Erak , Hatem Abou-Zeid

Deep learning-based channel state information (CSI) feedback schemes demonstrate strong compression capabilities but are typically constrained to fixed system configurations, limiting their generalization and flexibility. To address this…

信号处理 · 电气工程与系统科学 2025-08-08 Xuanyu Liu , Shijian Gao , Boxun Liu , Xiang Cheng , Liuqing Yang

While neural lossy compression techniques have markedly advanced the efficiency of Channel State Information (CSI) compression and reconstruction for feedback in MIMO communications, efficient algorithms for more challenging and practical…

We propose and test a method to reduce the dimensionality of Full Waveform Inversion (FWI) inputs as computational cost mitigation approach. Given modern seismic acquisition systems, the data (as input for FWI) required for an…

机器学习 · 计算机科学 2026-01-06 Maayan Gelboim , Amir Adler , Mauricio Araya-Polo

Compressive spectral imaging (CSI) has attracted significant attention since it employs synthetic apertures to codify spatial and spectral information, sensing only 2D projections of the 3D spectral image. However, these optical…

图像与视频处理 · 电气工程与系统科学 2023-06-28 Roman Jacome , Jorge Bacca , Henry Arguello

Wi-Fi sensing has emerged as a powerful technology, leveraging channel state information (CSI) extracted from wireless data packets to enable diverse applications, ranging from human presence detection to gesture recognition and health…

信号处理 · 电气工程与系统科学 2025-06-23 Zisheng Wang , Feng Li , Hangbin Zhao , Zihuan Mao , Yaodong Zhang , Qisheng Huang , Bo Cao , Mingming Cao , Baolin He , Qilin Hou

To achieve higher throughput in next-generation Wi-Fi systems, a station (STA) needs to efficiently compress channel state information (CSI) and feed it back to an access point (AP). In this paper, we propose a novel deep learning…

信号处理 · 电气工程与系统科学 2025-07-16 Junyong Shin , Eunsung Jeon , Inhyoung Kim , Yo-Seb Jeon

Despite the development of various deep learning methods for Wi-Fi sensing, package loss often results in noncontinuous estimation of the Channel State Information (CSI), which negatively impacts the performance of the learning models. To…

机器学习 · 计算机科学 2024-12-10 Zijian Zhao , Tingwei Chen , Fanyi Meng , Hang Li , Xiaoyang Li , Guangxu Zhu