Results 11 to 20 of about 5,488,889 (249)

Identifikasi Pohon Tropis di Daerah Perkotaan Menggunakan Multispectral Drone Imagery

open access: yesTechno.Com, 2022
Vegetasi di daerah perkotaan tumbuh diantara gedung dan jalan. Bangunan di sekitar pohon berdampak pada identifikasi tanaman menggunakan citra drone. Paper ini menjelaskan tentang perbandingan kemampuan citra drone pada band cahaya tampak, near infrared,
Zainal Abidin   +2 more
doaj   +1 more source

Extraction of fractional vegetation cover in arid desert area based on Chinese GF-6 satellite

open access: yesOpen Geosciences, 2021
The red edge band is considered as one of the diagnosable characteristics of green plants, but the large-scale remote sensing retrieval of fractional vegetation coverage (FVC) based on the red edge band is still rare.
Deng Zhengdong   +9 more
doaj   +1 more source

Spaceborne Estimation of Leaf Area Index in Cotton, Tomato, and Wheat Using Sentinel-2

open access: yesLand, 2021
Satellite remote sensing is a useful tool for estimating crop variables, particularly Leaf Area Index (LAI), which plays a pivotal role in monitoring crop development. The goal of this study was to identify the optimal Sentinel-2 bands for LAI estimation
Gregoriy Kaplan, Offer Rozenstein
doaj   +1 more source

Comparing the Use of Red-Edge and Near-Infrared Wavelength Ranges for Detecting Submerged Kelp Canopy

open access: yesRemote Sensing, 2022
Kelp forests are commonly classified within remote sensing imagery by contrasting the high reflectance in the near-infrared spectral region of kelp canopy floating at the surface with the low reflectance in the same spectral region of water.
Brian Timmer   +4 more
doaj   +1 more source

Improving Leaf Area Index Estimation With Chlorophyll Insensitive Multispectral Red-Edge Vegetation Indices

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023
As an essential vegetation biophysical trait that determines the plant's structure and photosynthetic capacity, characterizing of leaf area index (LAI) is important for vegetation growth and health monitoring.
Yuanheng Sun, Binyu Wang, Zhaoxu Zhang
doaj   +1 more source

Crop distribution extraction based on Sentinel data [PDF]

open access: yesE3S Web of Conferences, 2021
Remote sensing identification and classification of crops is the use of remote sensing for estimating crop planting area of timely and accurate monitoring of crop growth and plant diseases and insect pests in advance to make the product output to ...
Liu Yu, Wang Xiaoping, Qian Jiaxin
doaj   +1 more source

An object-oriented approach for agrivultural land classification using rapideye imagery [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015
With the improvement of remote sensing technology, the spatial, structural and texture information of land covers are present clearly in high resolution imagery, which enhances the ability of crop mapping.
H. Sang, L. Zhai, J. Zhang, F. An
doaj   +1 more source

Influence of metal (Ag, Cd, Cu)-doping on the optical properties of ZnO nanopowder: Variation of band gap [PDF]

open access: yesشیمی کاربردی روز, 2013
Metal doped ZnO (MZO, metal = Ag, Cd, Cu) with different metal ion doped concentrations were synthesized by sol-gel method. The structural and optical properties were characterized by UV–Vis spectroscopy and Fourier transform infrared (FT-IR).
Bordbar Maryam   +3 more
doaj   +1 more source

Logging Pattern Detection by Multispectral Remote Sensing Imagery in North Subtropical Plantation Forests

open access: yesRemote Sensing, 2022
Forest logging detection is important for sustainable forest management. The traditional optical satellite images with visible and near-infrared bands showed the ability to identify intensive timber logging.
Yue Hu   +3 more
doaj   +1 more source

Recognition of Banana Fusarium Wilt Based on UAV Remote Sensing

open access: yesRemote Sensing, 2020
Fusarium wilt (Panama disease) of banana currently threatens banana production areas worldwide. Timely monitoring of Fusarium wilt disease is important for the disease treatment and adjustment of banana planting methods.
Huichun Ye   +7 more
doaj   +1 more source

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