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Hyperspectral imaging (HSI) provides rich spectral information for precise material classification and analysis; however, its high dimensionality introduces a computational burden and redundancy, making dimensionality reduction essential.…

Artificial Intelligence · Computer Science 2025-09-03 Salma Haidar , José Oramas

For most hyperspectral remote sensing applications, removing bad bands, such as water absorption bands, is a required preprocessing step. Currently, the commonly applied method is by visual inspection, which is very time-consuming and it is…

Computer Vision and Pattern Recognition · Computer Science 2016-10-20 Luyan Ji , Xiurui Geng , Yongchao Zhao , Fuxiang Wang

Remote sensing is a higher technology to produce knowledge for data mining applications. In principle hyperspectral images (HSIs) is a remote sensing tool that provides precise classification of regions. The HSI contains more than a hundred…

Computer Vision and Pattern Recognition · Computer Science 2022-11-18 Elkebir Sarhrouni , Ahmed Hammouch , Driss Aboutajdine

Hyperspectral images (HIS) classification is a high technical remote sensing tool. The goal is to reproduce a thematic map that will be compared with a reference ground truth map (GT), constructed by expecting the region. The HIS contains…

Computer Vision and Pattern Recognition · Computer Science 2022-11-18 ELkebir Sarhrouni , Ahmed Hammouch , Driss Aboutajdine

Hyperspectral imagery is composed of huge amount of data which creates significant transmission latencies for communication systems. It is vital to decrease the huge data size before transmitting the Hyperspectral imagery. Besides, large…

Image and Video Processing · Electrical Eng. & Systems 2026-01-27 Onur Haliloğlu , Ufuk Sakarya , B. Uğur Töreyin , Orhan Gazi

Hyperspectral imaging (HSI) is a powerful earth observation technology that captures and processes information across a wide spectrum of wavelengths. Hyperspectral imaging provides comprehensive and detailed spectral data that is invaluable…

Image and Video Processing · Electrical Eng. & Systems 2025-02-10 Sadia Hussain , Brejesh Lall

We consider the band assignment problem in dual band systems, where the base-station (BS) chooses one of the two available frequency bands (centimeter-wave and millimeter-wave bands) to communicate data to the mobile station (MS). While the…

Signal Processing · Electrical Eng. & Systems 2018-10-04 Daoud Burghal , Rui Wang , Andreas F. Molisch

Over the past decades, the hyperspectral remote sensing technology development has attracted growing interest among scientists in various domains. The rich and detailed spectral information provided by the hyperspectral sensors has improved…

Computer Vision and Pattern Recognition · Computer Science 2022-10-28 Asma Elmaizi , Elkebir Sarhrouni , Ahmed Hammouch , Nacir Chafik

Capturing images using multispectral camera arrays has gained importance in medical, agricultural and environmental processes. However, using all available spectral bands is infeasible and produces much data, while only a fraction is needed…

Image and Video Processing · Electrical Eng. & Systems 2024-10-31 Katja Kossira , David Schön , Jürgen Seiler , André Kaup

The fusion of hyperspectral and LiDAR data has been an active research topic. Existing fusion methods have ignored the high-dimensionality and redundancy challenges in hyperspectral images, despite that band selection methods have been…

Image and Video Processing · Electrical Eng. & Systems 2024-04-16 Judy X Yang , Jun Zhou , Jing Wang , Hui Tian , Alan Wee-Chung Liew

Protecting Vulnerable Road Users (VRU) is a critical safety challenge for automotive perception systems, particularly under visual ambiguity caused by metamerism, a phenomenon where distinct materials appear similar in RGB imagery. This…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Jiarong Li , Imad Ali Shah , Diarmaid Geever , Fiachra Collins , Enda Ward , Martin Glavin , Edward Jones , Brian Deegan

The performance of spectral clustering heavily relies on the quality of affinity matrix. A variety of affinity-matrix-construction (AMC) methods have been proposed but they have hyperparameters to determine beforehand, which requires strong…

Machine Learning · Computer Science 2023-02-07 Jicong Fan , Yiheng Tu , Zhao Zhang , Mingbo Zhao , Haijun Zhang

During the last decade, hyperspectral images have attracted increasing interest from researchers worldwide. They provide more detailed information about an observed area and allow an accurate target detection and precise discrimination of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Asma Elmaizi , Hasna Nhaila , Elkebir Sarhrouni , Ahmed Hammouch , Nacir Chafik

Hyperspectral image is a substitution of more than a hundred images, called bands, of the same region. They are taken at juxtaposed frequencies. The reference image of the region is called Ground Truth map (GT). the problematic is how to…

Computer Vision and Pattern Recognition · Computer Science 2012-10-03 Elkebir Sarhrouni , Ahmed Hammouch , Driss Aboutajdine

A novel wavelength modulation spectroscopy (WMS) laser tuning parameters and concentration retrieval technique based on the variable-radius-search artificial bee colony(VRS-ABC) algorithm is proposed. The technique imitates the foraging…

Instrumentation and Detectors · Physics 2023-06-29 Tingting Zhang , Yongjie Sun , Pengpeng Wang , Cunguang Zhu

Millimeter-wave (mmWave) multiple-input multiple-out (MIMO) systems relying on lens antenna arrays are capable of achieving a high antenna-gain at a considerably reduced number of radio frequency (RF) chains via beam selection. However, the…

Information Theory · Computer Science 2020-04-20 Wenqian Shen , Xiangyuan Bu , Xinyu Gao , Chengwen Xing , Lajos Hanzo

The key technology to overcome the drawbacks of hyperspectral imaging (expensive, high capture delay, and low spatial resolution) and make it widely applicable is to select only a few representative bands from hundreds of bands. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-25 Wenshuai Xu , Zhenbo Xu

Hyperspectral image analysis often requires selecting the most informative bands instead of processing the whole data without losing the key information. Existing band reduction (BR) methods have the capability to reveal the nonlinear…

Computer Vision and Pattern Recognition · Computer Science 2018-12-03 Muhammad Ahmad , Asad Khan , Adil Mehmood Khan , Rasheed Hussain

Achieving high spectral efficiency in realistic massive multi-user (MU) multiple-input multiple-output (MIMO) wireless systems requires computationally-complex algorithms for data detection in the uplink (users transmit to base-station) and…

Information Theory · Computer Science 2017-11-17 Kaipeng Li , Rishi Sharan , Yujun Chen , Tom Goldstein , Joseph R. Cavallaro , Christoph Studer

Joint utilization of multiple discrete frequency bands can enhance the accuracy of delay estimation. Although some unique challenges of multiband fusion, such as phase distortion, oscillation phenomena, and high-dimensional search, have…

Signal Processing · Electrical Eng. & Systems 2025-07-09 Zhixiang Hu , An Liu , Minjian Zhao