English
Related papers

Related papers: RISE: Real-time Image Processing for Spectral Ener…

200 papers

Learning image representations to capture fine-grained semantics has been a challenging and important task enabling many applications such as image search and clustering. In this paper, we present Graph-Regularized Image Semantic Embedding…

Computer Vision and Pattern Recognition · Computer Science 2019-03-01 Da-Cheng Juan , Chun-Ta Lu , Zhen Li , Futang Peng , Aleksei Timofeev , Yi-Ting Chen , Yaxi Gao , Tom Duerig , Andrew Tomkins , Sujith Ravi

Robust spectrum sensing is crucial for facilitating opportunistic spectrum utilization for secondary users (SU) in the absense of primary users (PU). However, propagation environment factors such as multi-path fading, shadowing, and lack of…

Signal Processing · Electrical Eng. & Systems 2024-09-10 Nikhilsingh Parihar , Praful D. Mankar , Sachin Chaudhari

The rapid evolution of communication technologies has spurred a growing demand for energy-efficient network architectures and performance metrics. Active Reconfigurable Intelligent Surfaces (RIS) are emerging as a key component in green…

Signal Processing · Electrical Eng. & Systems 2024-11-19 Kai Cao , Tao Yu , Jihong Li , Xiaojing Chen , Yanzan Sun , Qingqing Wu , Wen Chen , Shunqing Zhang

Multi-static backscatter networks (BNs) are strong candidates for joint communication and localization in the ambient IoT paradigm for 6G. Enabling real-time localization in large-scale multi-static deployments with thousands of devices…

Signal Processing · Electrical Eng. & Systems 2026-02-17 Tara Esmaeilbeig , Kartik Patel , Traian E. Abrudan , John Kimionis , Eleftherios Kampianakis , Michael S. Eggleston

With the rise of tiny IoT devices powered by machine learning (ML), many researchers have directed their focus toward compressing models to fit on tiny edge devices. Recent works have achieved remarkable success in compressing ML models for…

Computer Vision and Pattern Recognition · Computer Science 2024-08-09 Brendan Reidy , Sepehr Tabrizchi , Mohamadreza Mohammadi , Shaahin Angizi , Arman Roohi , Ramtin Zand

Conventional channel estimation (CE) for Internet of Things (IoT) systems encounters challenges such as low spectral efficiency, high energy consumption, and blocked propagation paths. Although superimposed pilot-based CE schemes and the…

Signal Processing · Electrical Eng. & Systems 2022-12-08 Chaojin Qing , Li Wang , Lei Dong , Guowei Ling , Jiafan Wang

In this work, we examine the potential of autonomous operation of a reconfigurable intelligent surface (RIS) using wireless energy harvesting from information signals. To this end, we first identify the main RIS power-consuming components…

Remote sensing hyperspectral sensors collect large volumes of high dimensional spectral and spatial data. However, due to spectral and spatial redundancy the true hyperspectral signal lies on a subspace of much lower dimension than the…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 Behnood Rasti , Magnus O. Ulfarsson , Johannes R. Sveinsson

Reconfigurable intelligent surface (RIS) has been recognized as a promising solution for enhancing localization accuracy. Traditional RIS-based localization methods typically rely on prior channel knowledge, beam scanning, and pilot-based…

Signal Processing · Electrical Eng. & Systems 2025-04-04 Jiawei Yao , Yijie Mao , Mingzhe Chen

This paper studies the fair transmission design for an intelligent reflecting surface (IRS) aided rate-splitting multiple access (RSMA). IRS is used to establish a good signal propagation environment and enhance the RSMA transmission…

Information Theory · Computer Science 2024-03-18 Shanshan Zhang , Wen Chen , Qingqing Wu , Ziwei Liu , Shunqing Zhang , Jun Li

Reconfigurable intelligent surfaces (RISs) are considered a promising technology for boosting the coverage and for enhancing the spectral efficiency of wireless systems, as well as for taming the wireless environment. The potential benefits…

Information Theory · Computer Science 2021-11-23 Bjorn Sihlbom , Marios I. Poulakis , Marco Di Renzo

Current scene depth estimation approaches mainly rely on optical sensing, which carries privacy concerns and suffers from estimation ambiguity for distant, shiny, and transparent surfaces/objects. Reconfigurable intelligent surfaces (RISs)…

Signal Processing · Electrical Eng. & Systems 2022-11-16 Abdelrahman Taha , Hao Luo , Ahmed Alkhateeb

Cloud-based overlays are often present in optical remote sensing images, thus limiting the application of acquired data. Removing clouds is an indispensable pre-processing step in remote sensing image analysis. Deep learning has achieved…

Computer Vision and Pattern Recognition · Computer Science 2019-01-04 Daoyu Lin , Guangluan Xu , Xiaoke Wang , Yang Wang , Xian Sun , Kun Fu

Image classification based on machine learning is being commonly used. However, a classification result given by an advanced method, including deep learning, is often hard to interpret. This problem of interpretability is one of the major…

Computer Vision and Pattern Recognition · Computer Science 2020-10-07 Yuhki Hatakeyama , Hiroki Sakuma , Yoshinori Konishi , Kohei Suenaga

This paper presents reconfigurable intelligent surface (RIS)-aided deep learning (DL)-based spectrum sensing for next-generation cognitive radios. To that end, the secondary user (SU) monitors the primary transmitter (PT) signal, where the…

Signal Processing · Electrical Eng. & Systems 2025-05-05 Sefa Kayraklik , Ibrahim Yildirim , Ertugrul Basar , Ibrahim Hokelek , Ali Gorcin

Reconfigurable Intelligent Surface (RIS) has becoming a useful tool in future wireless communication systems for close-distance communication network. This paper we use Reconfigurable Intelligent Surface (RIS) for downlink multi-user…

Information Theory · Computer Science 2021-02-02 RuiTianYi Lu

The increasing demand for reliable connectivity in industrial environments necessitates effective spectrum utilization strategies, especially in the context of shared spectrum bands. However, the dynamic spectrum-sharing mechanisms often…

Systems and Control · Electrical Eng. & Systems 2025-04-03 Sicheng Liu , Qun Wang , Zhuwei Qin , Weishan Zhang , Jingyi Wang , Xiang Ma

Sensing capability is one of the most highlighted new feature of future 6G wireless networks. This paper addresses the sensing potential of Large Intelligent Surfaces (LIS) in an exemplary Industry 4.0 scenario. Besides the attention…

Signal Processing · Electrical Eng. & Systems 2021-04-14 Cristian J. Vaca-Rubio , Pablo Ramirez-Espinosa , Kimmo Kansanen , Zheng-Hua Tan , Elisabeth de Carvalho , Petar Popovski

The problem of simultaneously optimizing the information rate and the harvested power in a reconfigurable intelligent surface (RIS)-aided multiple-input single-output downlink wireless network with simultaneous wireless information and…

Information Theory · Computer Science 2022-04-26 Abdelhamed Mohamed , A. Zappone , Marco Di Renzo

This paper analyzes monostatic sensing by a user equipment (UE) for a setting in which the UE is unable to resolve multiple targets due to their interference within a single resolution bin. It is shown how sensing accuracy, in terms of both…

Signal Processing · Electrical Eng. & Systems 2024-07-17 Martin Voigt Vejling , Hyowon Kim , Christophe A. N. Biscio , Henk Wymeersch , Petar Popovski