Spectral Indices | List of Frontiers open access articles

Original Research

Published on 21 Mar 2025

Mapping plant nitrogen concentration within Luvuvhu River Catchment using Sentinel-2 imagery

in Environmental Informatics and Remote Sensing

Unarine E. Tshishonga
Oupa E. Malahlela

Frontiers in Environmental Science

doi 10.3389/fenvs.2025.1526906

1,440 views
1 citation

Original Research

Accepted on 10 Feb 2026

Modeling the Potential Distribution of Seagrass Beds in the Joal-Fadiouth Marine Protected Area (Senegal) Using Satellite Data and Environmental Parameters

in Environmental Informatics and Remote Sensing

Amadou Sadio DIALLO
Bocar SY
Dieynaba SECK

Frontiers in Environmental Science

369 views

Original Research

Published on 04 Apr 2022

Magnetic Fluctuations Associated With Small-Scale Magnetic Holes in the Martian Magnetosheath

in Space Physics

Yangjun Chen
Mingyu Wu
Sudong Xiao
Aimin Du
Guoqiang Wang
Yuanqiang Chen
Zonghao Pan
Tielong Zhang

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2022.858300

2,243 views
9 citations

Original Research

Published on 12 Feb 2026

Non-destructive estimation of maize carotenoids using reflectance-based spectral indices

in Plant Abiotic Stress

Attila Nagy
Ahmed Elbeltagi
László Radócz
János Tamás
Andrea Szabó

Frontiers in Plant Science

doi 10.3389/fpls.2026.1699049

365 views

Original Research

Published on 05 Feb 2026

Novel estimation of tomato soluble solids content using linearly transformed reflectance-based spectral indices

in Technical Advances in Plant Science

Naisen Liu
Yuan Fang
Yongzhen Zhao
Yuezhen Chen
Yangxia Zheng
Xuedong Zha
Jingyu Guo
Xia Li

Frontiers in Plant Science

doi 10.3389/fpls.2026.1729375

379 views

Original Research

Published on 25 May 2023

Based on machine learning algorithms for estimating leaf phosphorus concentration of rice using optimized spectral indices and continuous wavelet transform

in Plant Nutrition

Yi Zhang
Teng Wang
Zheng Li
Tianli Wang
Ning Cao

Frontiers in Plant Science

doi 10.3389/fpls.2023.1185915

4,472 views
16 citations

Brief Research Report

Published on 03 Sep 2024

Early detection of N, P, K deficiency in Choy Sum using hyperspectral imaging-based spatial spectral feature mining

in Biophotonics

Valerie Xinhui Teo
Savitha Dhandapani
Randall Ang Jie
Vidya Susan Philip
Mark Teo Ju Teng
Shuyan Zhang
Bong Soo Park
Malini Olivo
U. S. Dinish

Frontiers in Photonics

doi 10.3389/fphot.2024.1418246

3,581 views
2 citations

Original Research

Published on 06 Sep 2024

Spatio-temporal mapping of leaf area index in rice: spectral indices and multi-scale texture comparison derived from different sensors

in Technical Advances in Plant Science

Changming Li
Xing Teng
Yong Tan
Yong Zhang
Hongchen Zhang
Dan Xiao
Shanjun Luo

Frontiers in Plant Science

doi 10.3389/fpls.2024.1445490

2,900 views
7 citations

Original Research

Accepted on 11 Feb 2026

Spectral assessment of nutrient limitation in the savanna landscape: selection of spectral indices towards Sentinel-2 upscaling

in Agro-Environmental Remote Sensing

Nasiphi Ngcoliso
Abel Ramoelo
Philemon Tsele
Mcebisi Qabaqaba
Siyamthanda Gxokwe

Frontiers in Remote Sensing

106 views

Original Research

Published on 24 Jan 2023

Comprehensive growth index monitoring of desert steppe grassland vegetation based on UAV hyperspectral

in Technical Advances in Plant Science

Xiaomin Liu
Haichao Wang
Yanwei Cao
Yaotian Yang
Xiaotian Sun
Kai Sun
Ying Li
Junyao Zhang
Zhiyong Pei

Frontiers in Plant Science

doi 10.3389/fpls.2022.1050999

4,734 views
10 citations

Original Research

Published on 09 Apr 2025

Detection of the stem-boring damage by pine shoot beetle (Tomicus spp.) to Yunan pine (Pinus yunnanensis Franch.) using UAV hyperspectral data

in Sustainable and Intelligent Phytoprotection

Meng-Ying Liu
Guang-Yun Li
Lei Shi
Ya-Ying Li
Huai Liu

Frontiers in Plant Science

doi 10.3389/fpls.2025.1514580

1,663 views
1 citation

Perspective

Published on 11 Oct 2017

The MEXSAS2 Sample and the Ensemble X-ray Variability of Quasars

in Extragalactic Astronomy

Roberto Serafinelli
Fausto Vagnetti
Elia Chiaraluce
Riccardo Middei

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2017.00021

2,327 views
4 citations

Original Research

Published on 04 Feb 2021

Statistical Analysis of Magnetic Field Fluctuations in Coronal Mass Ejection-Driven Sheath Regions

in Space Physics

E. K. J. Kilpua
S. W. Good
M. Ala-Lahti
A. Osmane
D. Fontaine
L. Hadid
M. Janvier
E. Yordanova

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2020.610278

5,956 views
34 citations

Original Research

Published on 22 Apr 2025

How commercial SmallSats are revolutionizing the remote detection and mapping of snow algae

in Multi- and Hyper-Spectral Imaging

Colby F. Rand
Alia L. Khan

Frontiers in Remote Sensing

doi 10.3389/frsen.2025.1572973

2,312 views

Original Research

Published on 08 Aug 2022

Combination of spectral index and transfer learning strategy for glyphosate-resistant cultivar identification

in Technical Advances in Plant Science

Mingzhu Tao
Yong He
Xiulin Bai
Xiaoyun Chen
Yuzhen Wei
Cheng Peng
Xuping Feng

Frontiers in Plant Science

doi 10.3389/fpls.2022.973745

3,090 views
9 citations

Original Research

Published on 29 Oct 2025

A novel spectral index designed for drone-based mapping of fire-damage levels: demonstration and relationship with biophysical variables in a peatland

in Environmental Informatics and Remote Sensing

Raul Sampaio De Lima
Kalev Sepp

Frontiers in Environmental Science

doi 10.3389/fenvs.2025.1685279

1,728 views
1 citation

Articles

Mapping plant nitrogen concentration within Luvuvhu River Catchment using Sentinel-2 imagery

Modeling the Potential Distribution of Seagrass Beds in the Joal-Fadiouth Marine Protected Area (Senegal) Using Satellite Data and Environmental Parameters

Magnetic Fluctuations Associated With Small-Scale Magnetic Holes in the Martian Magnetosheath

Non-destructive estimation of maize carotenoids using reflectance-based spectral indices

Novel estimation of tomato soluble solids content using linearly transformed reflectance-based spectral indices

Based on machine learning algorithms for estimating leaf phosphorus concentration of rice using optimized spectral indices and continuous wavelet transform

Early detection of N, P, K deficiency in Choy Sum using hyperspectral imaging-based spatial spectral feature mining

Spatio-temporal mapping of leaf area index in rice: spectral indices and multi-scale texture comparison derived from different sensors

Spectral assessment of nutrient limitation in the savanna landscape: selection of spectral indices towards Sentinel-2 upscaling

Comprehensive growth index monitoring of desert steppe grassland vegetation based on UAV hyperspectral

Detection of the stem-boring damage by pine shoot beetle (Tomicus spp.) to Yunan pine (Pinus yunnanensis Franch.) using UAV hyperspectral data

The MEXSAS2 Sample and the Ensemble X-ray Variability of Quasars

Statistical Analysis of Magnetic Field Fluctuations in Coronal Mass Ejection-Driven Sheath Regions

How commercial SmallSats are revolutionizing the remote detection and mapping of snow algae

Combination of spectral index and transfer learning strategy for glyphosate-resistant cultivar identification

A novel spectral index designed for drone-based mapping of fire-damage levels: demonstration and relationship with biophysical variables in a peatland