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Accurate, real-time wireless signal prediction is essential for next-generation networks. However, existing vision-based frameworks often rely on computationally intensive models and are also sensitive to environmental interference. To…

Signal Processing · Electrical Eng. & Systems 2026-05-26 Sen Yan , Tianyu Hu , Brahim Mefgouda , Samson Lasaulce , Merouane Debbah

Recently it was reported that deeply subwavelength features of free space superoscillatory electromagnetic fields can be observed experimentally and used in optical metrology with nanoscale resolution [Science 364, 771 (2019)]. Here we…

Optics · Physics 2019-10-08 T. Pu , V. Savinov , G. Yuan , N. Papasimakis , N. I. Zheludev

Reconfigurable intelligent surfaces (RISs) are artificial planar structures able to offer a unique way of manipulating propagated wireless signals. Commonly composed of a number of reconfigurable passive cell components and basic electronic…

Histology slide digitization is becoming essential for telepathology (remote consultation), knowledge sharing (education), and using the state-of-the-art artificial intelligence algorithms (augmented/automated end-to-end clinical…

Image and Video Processing · Electrical Eng. & Systems 2024-05-15 Talat Zehra , Joseph Marino , Wendy Wang , Grigoriy Frantsuzov , Saad Nadeem

Monitoring space objects is crucial for space situational awareness, yet reconstructing 3D satellite models from ground-based telescope images is challenging due to atmospheric turbulence, long observation distances, limited viewpoints, and…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Zhiming Chang , Boyang Liu , Yifei Xia , Youming Guo , Boxin Shi , He Sun

The Global Navigation Satellite Systems (GNSS) like GPS suffer from accuracy degradation and are almost unavailable in indoor environments. Indoor positioning systems (IPS) based on WiFi signals have been gaining popularity. However, owing…

Signal Processing · Electrical Eng. & Systems 2021-10-22 Pranav Sankhe , Saqib Azim , Sachin Goyal , Tanya Choudhary , Kumar Appaiah , Sukumar Srikant

Remote sensing image processing is so important in geo-sciences. Images which are obtained by different types of sensors might initially be unrecognizable. To make an acceptable visual perception in the images, some pre-processing steps…

Computer Vision and Pattern Recognition · Computer Science 2017-04-11 Mohammad Reza Khosravi , Habib Rostami , Gholam Reza Ahmadi , Suleiman Mansouri , Ahmad Keshavarz

The growing field of remote sensing faces a challenge: the ever-increasing size and volume of imagery data are exceeding the storage and transmission capabilities of satellite platforms. Efficient compression of remote sensing imagery is a…

Image and Video Processing · Electrical Eng. & Systems 2025-04-15 Zhibin Wang , Yanxin Cai , Jiayi Zhou , Yangming Zhang , Tianyu Li , Wei Li , Xun Liu , Guoqing Wang , Yang Yang

Reconfigurable intelligent surface (RIS) is an emerging technology for future wireless communication systems. In this work, we consider downlink spatial multiplexing enabled by the RIS for weighted sum-rate (WSR) maximization. In the…

Signal Processing · Electrical Eng. & Systems 2022-09-22 Bile Peng , Jan-Aike Termöhlen , Cong Sun , Danping He , Ke Guan , Tim Fingscheidt , Eduard A. Jorswieck

Visual Place Recognition and Visual Localization are essential components in navigation and mapping for autonomous vehicles especially in GNSS-denied navigation scenarios. Recent work has focused on ground or close to ground applications…

Computer Vision and Pattern Recognition · Computer Science 2022-05-25 Michael Schleiss , Fahmi Rouatbi , Daniel Cremers

In the emerging commercial space industry there is a drastic increase in access to low cost satellite imagery. The price for satellite images depends on the sensor quality and revisit rate. This work proposes to bridge the gap between image…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Gaurav Kumar Nayak , Saksham Jain , R Venkatesh Babu , Anirban Chakraborty

The ability of snapshot compressive imaging (SCI) systems to efficiently capture high-dimensional (HD) data depends on the advent of novel optical designs to sample the HD data as two-dimensional (2D) compressed measurements. Nonetheless,…

Image and Video Processing · Electrical Eng. & Systems 2024-01-03 Yaping Zhao , Edmund Y. Lam

Acquisition of data with adverse conditions in robotics is a cumbersome task due to the difficulty in guaranteeing proper ground truth and synchronising with desired weather conditions. In this paper, we present a simple method - recording…

Computer Vision and Pattern Recognition · Computer Science 2020-03-11 Horia Porav , Valentina-Nicoleta Musat , Tom Bruls , Paul Newman

Reconfigurable intelligent surfaces (RISs) bring various benefits to the current and upcoming wireless networks, including enhanced spectrum and energy efficiency, soft handover, transmission reliability, and even localization accuracy.…

Signal Processing · Electrical Eng. & Systems 2023-10-03 Jiguang He , Aymen Fakhreddine , Arthur S. de Sena , Yu Tian , Merouane Debbah

Recently there have been many algorithms proposed for the classification of very high resolution whole slide images (WSIs). These new algorithms are mostly focused on finding novel ways to combine the information from small local patches…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Long Nguyen , Aiden Nibali , Joshua Millward , Zhen He

This manuscript contains a description and basic principles for observing inaccessible areas using low cost, easily deployed equipment. The basic premise is to suspend a tiny video camera at an altitude of 10 - 200 meters over the area to…

General Physics · Physics 2007-05-23 Alexander Bolonkin

In this work, a novel target detector for hyperspectral imagery is developed. The detector is independent on the unknown covariance matrix, behaves well in large dimensions, distributional free, invariant to atmospheric effects, and does…

Image and Video Processing · Electrical Eng. & Systems 2020-03-06 Ahmad W. Bitar , Jean-Philippe Ovarlez , Loong-Fah Cheong , Ali Chehab

Reconfigurable intelligent surfaces (RISs) are considered to be a key enabler of highly energy-efficient 6G and beyond networks. This property arises from the absence of power amplifiers in the structure, in contrast to active nodes, such…

We present GeoSynth, a model for synthesizing satellite images with global style and image-driven layout control. The global style control is via textual prompts or geographic location. These enable the specification of scene semantics or…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Srikumar Sastry , Subash Khanal , Aayush Dhakal , Nathan Jacobs
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