Zobrazeno 1 - 10
of 102
pro vyhledávání: '"Jaehyung Yu"'
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 15, Pp 1163-1173 (2022)
This study aims to introduce effective unmanned aerial system (UAS) survey conditions for coastal sediment classification, including muddy sand, sand, gravel, and shells in a tidal flat area. UAS images with resolutions ranging from 2 to 60 mm are us
Externí odkaz:
https://doaj.org/article/c92e6e0086c649b0920eca71a7ed3e95
Publikováno v:
Remote Sensing, Vol 15, Iss 15, p 3807 (2023)
The purpose of this study is to employ a remote sensing reconnaissance survey based on optimal segmentation parameters and an object-oriented random forest approach to the identification of possible terrestrial impact craters from the global 30-m res
Externí odkaz:
https://doaj.org/article/4e9704296d154072af47f5319ba748fc
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 14, Pp 7435-7447 (2021)
This article introduced the quantity controlled spectral indices working at mineral contents higher than 5 wt.% for detection of sericite, chlorite, and pyrophyllite, which are the representative alteration minerals of phyllic, propylitic, and advanc
Externí odkaz:
https://doaj.org/article/a0728623f1af4af88b06e16367438777
Publikováno v:
Remote Sensing, Vol 14, Iss 21, p 5572 (2022)
This study investigated an asbestos mine restoration project using Airborne Visible/Infrared Imaging Spectrometer (AVIRIS) hyperspectral data. The distribution of an abandoned asbestos mine (AAM) and treatment area were analyzed before and after the
Externí odkaz:
https://doaj.org/article/d00d68c97fe04e3d9a00ce7d22e0ad63
Publikováno v:
International Journal of Applied Earth Observations and Geoinformation, Vol 102, Iss , Pp 102382- (2021)
This work introduces a bulk data acquisition method using a hyperspectral imaging system (HIS) to measure chromium (Cr) concentration in the soil samples obtained from tailings of a gold mine considering of the spectral competition between heavy meta
Externí odkaz:
https://doaj.org/article/2d10d0c5f47b4520940292f4f166f9ae
Autor:
Jangyup Son, Junyoung Kwon, SunPhil Kim, Yinchuan Lv, Jaehyung Yu, Jong-Young Lee, Huije Ryu, Kenji Watanabe, Takashi Taniguchi, Rita Garrido-Menacho, Nadya Mason, Elif Ertekin, Pinshane Y. Huang, Gwan-Hyoung Lee, Arend M. van der Zande
Publikováno v:
Nature Communications, Vol 9, Iss 1, Pp 1-9 (2018)
Fabrication methods to pattern thin materials are a critical tool to build molecular scale devices. Here the authors report a selective etching method using XeF2 gas to pattern graphene based heterostructures with multiple active layers and achieve 1
Externí odkaz:
https://doaj.org/article/9e00e5db8f0e48bf96f67c820d1c2ba7
Publikováno v:
Remote Sensing, Vol 12, Iss 20, p 3273 (2020)
This paper illustrates a spectroscopic analysis of heavy metal concentration in mine soils with the consideration of mineral assemblages originated by weathering and mineralization processes. The mine soils were classified into two groups based on th
Externí odkaz:
https://doaj.org/article/48d65362dba24e9b81f979e271a4faa0
Publikováno v:
Remote Sensing, Vol 12, Iss 8, p 1325 (2020)
This study introduced a detection method for magnesite and associated gangue minerals, including dolomite, calcite, and talc, based on mineralogical, chemical, and hyperspectral analyses using hand samples from thirteen different source locations and
Externí odkaz:
https://doaj.org/article/fcc7c0072c4c47259c9de6258714a1d7
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 32, Iss 2, Pp 113-120 (2015)
When humans explore the Moon, lunar caves will be an ideal base to provide a shelter from the hazards of radiation, meteorite impact, and extreme diurnal temperature differences. In order to ascertain the existence of caves on the Moon, it is best
Externí odkaz:
https://doaj.org/article/12299b0fada242fda423eba3cb8abe1d
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 32, Iss 2, Pp 121-125 (2015)
At the suggestion of the NASA Meteoroid Environment Office (NASA/MEO), which promotes lunar impact monitoring worldwide during NASA’s Lunar Atmosphere and Dust Environment Explorer (LADEE) mission period (launched Sept. 2013), we set up a video o
Externí odkaz:
https://doaj.org/article/2594a4587d804660bced18b680937c46