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The high dimensionality of hyperspectral images consisting of several bands often imposes a big computational challenge for image processing. Therefore, spectral band selection is an essential step for removing the irrelevant, noisy and…

计算机视觉与模式识别 · 计算机科学 2022-10-27 A. Elmaizi , E. Sarhrouni , A. Hammouch , C. Nacir

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…

计算机视觉与模式识别 · 计算机科学 2022-11-18 ELkebir Sarhrouni , Ahmed Hammouch , Driss Aboutajdine

Automatic detection of parasitic eggs in microscopy images has the potential to increase the efficiency of human experts whilst also providing an objective assessment. The time saved by such a process would both help ensure a prompt…

计算机视觉与模式识别 · 计算机科学 2022-03-08 Perla Mayo , Nantheera Anantrasirichai , Thanarat H. Chalidabhongse , Duangdao Palasuwan , Alin Achim

Hyperspectral images (HSI) classification is a high technical remote sensing tool. The main goal is to classify the point of a region. The HIS contains more than a hundred bidirectional measures, called bands (or simply images), of the same…

计算机视觉与模式识别 · 计算机科学 2022-10-27 E. Sarhrouni , A. Hammouch , D. Aboutajdine

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…

计算机视觉与模式识别 · 计算机科学 2016-10-20 Luyan Ji , Xiurui Geng , Yongchao Zhao , Fuxiang Wang

Hyperspectral bands offer rich spectral and spatial information; however, their high dimensionality poses challenges for efficient processing. Band selection (BS) methods aim to extract a smaller subset of bands to reduce spectral…

图像与视频处理 · 电气工程与系统科学 2025-09-29 Dibyabha Deb , Ujjwal Verma

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…

计算机视觉与模式识别 · 计算机科学 2022-10-28 Asma Elmaizi , Elkebir Sarhrouni , Ahmed Hammouch , Nacir Chafik

It is extremely important to correctly identify the cultivars of maize seeds in the breeding process of maize. In this paper, the transfer learning as a method of deep learning is adopted to establish a model by combining with the…

计算机视觉与模式识别 · 计算机科学 2018-05-31 Wen-Xuan Liao , Xuan-Yu Wang , Dong An , Yao-Guang Wei

We examine the detectability of water (H2O) in the reflected-light spectrum of an Earth-like exoplanet assuming a photometric observational approach rather than spectroscopic. By quantifying the detectability as a function of normalized…

地球与行星天体物理 · 物理学 2025-12-09 Natasha Latouf , Chris Stark , Avi Mandell , Vincent Kofman

Hyperspectral images (HSI) classification is a high technical remote sensing software. The purpose is to reproduce a thematic map . The HSI contains more than a hundred hyperspectral measures, as bands (or simply images), of the concerned…

计算机视觉与模式识别 · 计算机科学 2022-11-18 Elkebir Sarhrouni , Ahmed Hammouch , Driss Aboutajdine

The Hyperspectral image (HSI) contains several hundred bands of the same region called the Ground Truth (GT). The bands are taken in juxtaposed frequencies, but some of them are noisily measured or contain no information. For the…

计算机视觉与模式识别 · 计算机科学 2022-10-31 Hasna Nhaila , Maria Merzouqi , Elkebir Sarhrouni , Ahmed Hammouch

The difficulty of detecting mitosis and its similarity to non-mitosis objects has remained a challenge in computational pathology. The lack of publicly available data has added more complexity. Deep learning algorithms have shown potentials…

图像与视频处理 · 电气工程与系统科学 2021-10-25 Seyed H. Mirjahanmardi , Samir Mitha , Salar Razavi , Susan Done , April Khademi

Band selection is a great challenging task in the classification of hyperspectral remotely sensed images HSI. This is resulting from its high spectral resolution, the many class outputs and the limited number of training samples. For this…

计算机视觉与模式识别 · 计算机科学 2022-10-28 Hasna Nhaila , Asma Elmaizi , Elkebir Sarhrouni , Ahmed Hammouch

Honey bees pollinate about one-third of the world's food supply, but bee colonies have alarmingly declined by nearly 40% over the past decade due to several factors, including pesticides and pests. Traditional methods for monitoring…

机器学习 · 计算机科学 2024-01-19 Andrew Liang

Spectral imaging is a fundamental diagnostic technique with widespread application. Conventional spectral imaging approaches have intrinsic limitations on spatial and spectral resolutions due to the physical components they rely on. To…

图像与视频处理 · 电气工程与系统科学 2021-06-07 Figen S. Oktem , Oğuzhan Fatih Kar , Can Deniz Bezek , Farzad Kamalabadi

Hyperspectral anomaly detection (HAD) aims to localize pixel points whose spectral features differ from the background. HAD is essential in scenarios of unknown or camouflaged target features, such as water quality monitoring, crop growth…

计算机视觉与模式识别 · 计算机科学 2024-01-03 Jitao Ma , Weiying Xie , Yunsong Li

Most computer vision and machine learning-based approaches for historical document analysis are tailored to grayscale or RGB images and thus, mostly exploit their spatial information. Multispectral (MS) and hyperspectral (HS) images…

计算机视觉与模式识别 · 计算机科学 2023-03-10 M. Ljubenovic , P. Guzzonato , G. Franceschin , A. Traviglia

We characterize the sensitivity of a double point-spread function (PSF) fitting algorithm -- employing empirical, position-dependent PSF models -- for detecting companions using the infrared channel of the Wide Field Camera 3 (WFC3/IR) on…

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…

计算机视觉与模式识别 · 计算机科学 2022-10-26 Asma Elmaizi , Hasna Nhaila , Elkebir Sarhrouni , Ahmed Hammouch , Nacir Chafik

A near-infrared camera in use at the Canada-France-Hawaii Telescope (CFHT) and at the 1.6-m telescope of the Observatoire du Mont-Megantic is described. The camera is based on a Hawaii-1 1024x1024 HgCdTe array detector. Its main feature is…

天体物理学 · 物理学 2009-11-11 C. Marois , R. Doyon , D. Nadeau , R. Racine , M. Riopel , P. Vallee , D. Lafreniere , .