Results 1 to 10 of about 414,595 (112)

Crop Classification Based on Red Edge Features Analysis of GF-6 WFV Data [PDF]

open access: yesSensors, 2021
A red edge band is a sensitive spectral band of crops, which helps to improve the accuracy of crop classification. In view of the characteristics of GF-6 WFV data with multiple red edge bands, this paper took Hengshui City, Hebei Province, China, as the ...
Youfeng Zou
exaly   +4 more sources

Rice Mapping and Growth Monitoring Based on Time Series GF-6 Images and Red-Edge Bands

open access: yesRemote Sensing, 2021
Accurate rice mapping and growth monitoring are of great significance for ensuring food security and agricultural sustainable development. Remote sensing (RS), as an efficient observation technology, is expected to be useful for rice mapping and growth ...
Shenghui Fang, Xueqin Jiang, Xia Huang
exaly   +3 more sources

The Impact of NPV on the Spectral Parameters in the Yellow-Edge, Red-Edge and NIR Shoulder Wavelength Regions in Grasslands

open access: yesRemote Sensing, 2022
Even though research has shown that the spectral parameters of yellow-edge, red-edge and NIR (near-infrared) shoulder wavelength regions are able to estimate green cover and leaf area index (LAI), a large amount of dead materials in grasslands challenges
weixin Xu, Dandan Xu, Xulin Guo
exaly   +3 more sources

A Practical Method for Red-Edge Band Reconstruction for Landsat Image by Synergizing Sentinel-2 Data with Machine Learning Regression Algorithms. [PDF]

open access: yesSensors (Basel)
Red-edge bands are the most essential spectral data for multispectral remote sensing images, with them playing a critical role in monitoring vegetation growth status at regional and global scales.
Zhang Y, Fan Z, Yan W, Ge C, Sun H.
europepmc   +2 more sources

Adjustment of Sentinel-2 Multi-Spectral Instrument (MSI) Red-Edge Band Reflectance to Nadir BRDF Adjusted Reflectance (NBAR) and Quantification of Red-Edge Band BRDF Effects

open access: yesRemote Sensing, 2017
Optical wavelength satellite data have directional reflectance effects over non-Lambertian surfaces, described by the bidirectional reflectance distribution function (BRDF).
David P. Roy, Zhongbin Li, Hankui Zhang
exaly   +3 more sources

Analysis of the Effectiveness of the Red-Edge Bands of GF-6 Imagery in Forest Health Discrimination

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
The red-edge band is closely related to biochemical parameters that characterize the growth condition of green plants and is an important factor in monitoring vegetation health.
Hanqiu Xu, Jiahui Chen
exaly   +3 more sources

Evaluation of Sentinel-2 Red-Edge Bands for Empirical Estimation of Green LAI and Chlorophyll Content

open access: yesSensors, 2011
ESA’s upcoming satellite Sentinel-2 will provide Earth images of high spatial, spectral and temporal resolution and aims to ensure continuity for Landsat and SPOT observations.
Jesus Delegido   +2 more
exaly   +3 more sources

A New Method for Estimating Soil Fertility Using Extreme Gradient Boosting and a Backpropagation Neural Network

open access: yesRemote Sensing, 2022
Soil fertility affects crop yield and quality. A quick, accurate evaluation of soil fertility is crucial for agricultural production. Few satellite image-based evaluation studies have quantified soil fertility during the crop growth period.
Yiping Peng   +7 more
doaj   +1 more source

Alpha and beta phylogenetic diversities jointly reveal ant community assembly mechanisms along a tropical elevational gradient

open access: yesScientific Reports, 2022
Despite the long-standing interest in the organization of ant communities across elevational gradients, few studies have incorporated the evolutionary information to understand the historical processes that underlay such patterns.
Gibran Renoy Pérez-Toledo   +5 more
doaj   +1 more source

Low-Cost Hyperspectral Imaging to Detect Drought Stress in High-Throughput Phenotyping

open access: yesPlants, 2023
Recent developments in low-cost imaging hyperspectral cameras have opened up new possibilities for high-throughput phenotyping (HTP), allowing for high-resolution spectral data to be obtained in the visible and near-infrared spectral range.
Andrea Genangeli   +11 more
doaj   +1 more source

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