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Analyzing large datasets to select optimal features is one of the most important research areas in machine learning and data mining. This feature selection procedure involves dimensionality reduction which is crucial in enhancing the…

Neural and Evolutionary Computing · Computer Science 2024-09-24 Zhila Yaseen Taha , Abdulhady Abas Abdullah , Tarik A. Rashid

This paper is devoted to the inverse design of strained graphene surfaces for the control of electrons in the semi-classical optical-like regime. Assuming that charge carriers are described by the Dirac equation in curved-space and…

Mesoscale and Nanoscale Physics · Physics 2021-12-03 E. Lorin , F. Fillion-Gourdeau , S. Maclean

Ensuring adequate wireless coverage in upcoming communication technologies such as 6G is expected to be challenging. This is because user demands of higher datarate require an increase in carrier frequencies, which in turn reduce the…

Signal Processing · Electrical Eng. & Systems 2024-09-27 Sai Sanjay Narayanan , Uday K Khankhoje , Radha Krishna Ganti

Evolutionary algorithms are a type of artificial intelligence that utilize principles of evolution to efficiently determine solutions to defined problems. These algorithms are particularly powerful at finding solutions that are too complex…

This work addresses the issue of energy efficiency maximization in a multi-user network aided by reconfigurable intelligent surface (RIS) with global reflection capabilities. Two optimization methods are proposed to optimize the mobile…

Signal Processing · Electrical Eng. & Systems 2023-03-07 Robert K. Fotock , Alessio Zappone , Marco Di Renzo

This paper proposes a novel relay-aided intelligent reconfigurable surface (IRS) architecture for future wireless communication systems. The proposed architecture, which consists of two side-by-side intelligent surfaces connected via a…

Information Theory · Computer Science 2020-06-12 Xiaoyan Ying , Umut Demirhan , Ahmed Alkhateeb

This paper examines the energy efficiency optimization problem of intelligent reflective surface (IRS)-assisted multi-user rate division multiple access (RSMA) downlink systems under terahertz propagation. The objective function for energy…

Signal Processing · Electrical Eng. & Systems 2022-11-22 Xiaoyu Chen , Feng Yan , Menghan Hu , Zihuai Lin

Coverage of image features play an important role in many vision algorithms since their distribution affect the estimated homography. This paper presents a Genetic Algorithm (GA) in order to select the optimal set of features yielding…

Computer Vision and Pattern Recognition · Computer Science 2017-04-21 Erkan Bostanci

This paper presents a novel multi-fake evolutionary generative adversarial network(MFEGAN) for handling imbalance hyperspectral image classification. It is an end-to-end approach in which different generative objective losses are considered…

Image and Video Processing · Electrical Eng. & Systems 2024-09-04 Tanmoy Dam , Nidhi Swami , Sreenatha G. Anavatti , Hussein A. Abbass

Genetic algorithms (GAs) have a long history of over four decades. GAs are adaptive heuristic search algorithms that provide solutions for optimization and search problems. The GA derives expression from the biological terminology of…

Optics · Physics 2018-12-03 Kaspar Höschel , Vasudevan Lakshminarayanan

This paper explores the idea of using redirective reconfigurable intelligent surfaces (RedRIS) to overcome many of the challenges associated with the conventional reflective RIS. We develop a framework for jointly optimizing the switching…

Information Theory · Computer Science 2024-06-04 Bamelak Tadele , Faouzi Bellili , Amine Mezghani , Md Jawwad Chowdhury , Haseeb Ur Rehman

To facilitate the antenna design with the aid of computer, one of the practices in consumer electronic industry is to model and optimize antenna performances with a simplified antenna geometric scheme. Traditional antenna modeling requires…

Machine Learning · Computer Science 2022-03-23 Yang Zhong , Peter Renner , Weiping Dou , Geng Ye , Jiang Zhu , Qing Huo Liu

This work considers a point-to-point link where a reconfigurable intelligent surface assists the communication between transmitter and receiver. The system rate, energy efficiency, and their trade-off are optimized with respect to the…

Information Theory · Computer Science 2020-07-16 Alessio Zappone , Marco Di Renzo , Xiaojun Xi , Merouane Debbah

Neural Radiance Fields (NeRFs) have revolutionized the field of novel view synthesis, demonstrating remarkable performance. However, the modeling and rendering of reflective objects remain challenging problems. Recent methods have shown…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Georgios Kouros , Minye Wu , Shubham Shrivastava , Sushruth Nagesh , Punarjay Chakravarty , Tinne Tuytelaars

The rate and energy efficiency of wireless channels can be improved by deploying software-controlled metasurfaces to reflect signals from the source to the destination, especially when the direct path is weak. While previous works mainly…

Information Theory · Computer Science 2024-11-12 Emil Björnson , Özgecan Özdogan , Erik G. Larsson

This paper presents a methodology for enhancing actuator performance in older devices or retrofitting devices with haptic feedback actuators. The approach is versatile, accommodating various actuator and mounting positions. Through a…

Human-Computer Interaction · Computer Science 2024-11-11 Kevin Fischler , Seungjae Oh , Seokhee Jeon

This paper presents a new type of genetic algorithm for the set covering problem. It differs from previous evolutionary approaches first because it is an indirect algorithm, i.e. the actual solutions are found by an external decoder…

Neural and Evolutionary Computing · Computer Science 2010-07-05 Uwe Aickelin

Based on the background of the 2021 Higher Education Club Cup National College Students Mathematical Contest in Modeling A, according to the relevant data of the China Sky Eye (FAST) radio telescope, the main cable nodes and actuators are…

Optimization and Control · Mathematics 2022-04-13 Tongyue Shi , Siyu Tao , Haining Wang

This paper studies intelligent reflecting surface (IRS) assisted active device detection. Since the locations of the devices are a priori unknown, optimal IRS beam alignment is not possible and a worst-case design for a given coverage area…

Signal Processing · Electrical Eng. & Systems 2023-10-30 Friedemann Laue , Vahid Jamali , Robert Schober

A key challenge in metasurface design is the development of algorithms that can effectively and efficiently produce high performance devices. Design methods based on iterative optimization can push the performance limits of metasurfaces,…