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Although two-stage object detectors have continuously advanced the state-of-the-art performance in recent years, the training process itself is far from crystal. In this work, we first point out the inconsistency problem between the fixed…

计算机视觉与模式识别 · 计算机科学 2020-07-28 Hongkai Zhang , Hong Chang , Bingpeng Ma , Naiyan Wang , Xilin Chen

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 the current era, the next-generation networks like 5th generation (5G) and 6th generation (6G) networks require high security, low latency with a high reliable standards and capacity. In these networks, reconfigurable wireless network…

网络与互联网体系结构 · 计算机科学 2021-11-19 Sulaiman Khan , Suleman Khan , Yasir Ali , Muhammad Khalid , Zahid Ullah , Shahid Mumtaz

The development and progress in sensor, communication and computing technologies have led to data rich environments. In such environments, data can easily be acquired not only from the monitored entities but also from the surroundings where…

机器学习 · 计算机科学 2023-01-13 Rashmi Dutta Baruah , Mario Muñoz Organero

Reconfigurable intelligent surfaces (RISs) are software-controlled passive devices that can be used as relay (R) systems to reflect incoming signals from a source (S) to a destination (D) in a cooperative manner with optimum signal strength…

信号处理 · 电气工程与系统科学 2022-12-20 Bulent Sagir , Erdogan Aydin , Haci Ilhan

Functional near-infrared spectroscopy (fNIRS) is employed as a non-invasive method to monitor functional brain activation by capturing changes in the concentrations of oxygenated haemoglobin (HbO) and deoxygenated haemo-globin (HbR).…

Wireless Technology Recognition (WTR) and localization are essential in modern communication systems, enabling efficient spectrum management, seamless coexistence of diverse technologies, and accurate positioning in dynamic environments. In…

信号处理 · 电气工程与系统科学 2025-09-22 Mohammad Cheraghinia , Eli De Poorter , Jaron Fontaine , Merouane Debbah , Adnan Shahid

The integration of a near-space information network (NSIN) with the reconfigurable intelligent surface (RIS) is envisioned to significantly enhance the communication performance of future wireless communication systems by proactively…

信息论 · 计算机科学 2024-02-15 Puguang An , Peng Yang , Xianbin Cao , Kun Guo , Yue Gao , Tony Q. S. Quek

Anomaly detection has various applications including condition monitoring and fault diagnosis. The objective is to sense the environment, learn the normal system state, and then periodically classify whether the instantaneous state deviates…

信息论 · 计算机科学 2015-12-16 Kiril Ralinovski , Mario Goldenbaum , Sławomir Stańczak

Indoor localization becomes a raising demand in our daily lives. Due to the massive deployment in the indoor environment nowadays, WiFi systems have been applied to high accurate localization recently. Although the traditional model based…

信号处理 · 电气工程与系统科学 2019-02-19 Chenlu Xiang , Zhichao Zhang , Shunqing Zhang , Shugong Xu , Shan Cao , Vincent LAU

WiFi sensing based on channel state information (CSI) collected from commodity WiFi devices has shown great potential across a wide range of applications, including vital sign monitoring and indoor localization. Existing WiFi sensing…

信号处理 · 电气工程与系统科学 2025-10-14 Ruiqi Kong , He Chen

Denoising of periodic signals and accurate waveform estimation are core tasks across many signal processing domains, including speech, music, medical diagnostics, radio, and sonar. Although deep learning methods have recently shown…

机器学习 · 计算机科学 2026-04-24 Eli Gildish , Michael Grebshtein , Igor Makienko

Distinguishing between reconfigurable intelligent surface (RIS) assisted paths and non-line-of-sight (NLOS) paths is a fundamental problem for RIS-assisted integrated sensing and communication. In this work, we propose a pattern alternation…

信号处理 · 电气工程与系统科学 2025-06-05 Zeyu Huang , Stefan Schwarz , Bashar Tahir , Markus Rupp

With the increasing need for wireless data transfer, Wi-Fi networks have rapidly grown in recent years providing high throughput and easy deployment. Nowadays, Access Points (APs) can be found easily wherever we go, therefore Wi-Fi sensing…

信号处理 · 电气工程与系统科学 2019-11-13 Danilo Avola , Marco Cascio , Luigi Cinque , Daniele Pannone

Many classic methods have shown non-local self-similarity in natural images to be an effective prior for image restoration. However, it remains unclear and challenging to make use of this intrinsic property via deep networks. In this paper,…

计算机视觉与模式识别 · 计算机科学 2018-12-12 Ding Liu , Bihan Wen , Yuchen Fan , Chen Change Loy , Thomas S. Huang

Reconfigurable intelligent surfaces (RISs) have emerged as a promising technology to enhance the performance of sixth-generation (6G) and beyond communication systems. The passive nature of RISs and their large number of reflecting elements…

Non-cooperative communications, where a receiver can automatically distinguish and classify transmitted signal formats prior to detection, are desirable for low-cost and low-latency systems. This work focuses on the deep learning enabled…

信号处理 · 电气工程与系统科学 2019-11-15 Tongyang Xu , Izzat Darwazeh

The conventional MUltiple SIgnal Classification (MUSIC) algorithm is effective for angle-of-arrival estimation in the far-field and can be extended for full source localization in the near-field. However, it suffers from high computational…

信号处理 · 电气工程与系统科学 2025-06-24 Parisa Ramezani , Seyed Jalaleddin Mousavirad , Mattias O'Nils , Emil Björnson

Last year, IEEE 802.11 Extremely High Throughput Study Group (EHT Study Group) was established to initiate discussions on new IEEE 802.11 features. Coordinated control methods of the access points (APs) in the wireless local area networks…

信号处理 · 电气工程与系统科学 2019-05-20 Kota Nakashima , Shotaro Kamiya , Kazuki Ohtsu , Koji Yamamoto , Takayuki Nishio , Masahiro Morikura

Strong authentication in an interconnected wireless environment continues to be an important, but sometimes elusive goal. Research in physical-layer authentication using channel features holds promise as a technique to improve network…

信号处理 · 电气工程与系统科学 2020-09-01 Ken St. Germain , Frank Kragh