Results 241 to 250 of about 43,009 (276)
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[A Method of Stellar Spectral Classification Based on Map/Reduce Distributed Computing].
Guang pu xue yu guang pu fen xi = Guang pu, 2018Celestial spectrum contains a great deal of astrophysical information. Through the analysis of spectra, people can get the physical information of celestial bodies, as well as their chemical composition and atmospheric parameters. With the implementation of LAMOST, SDSS telescopes and other large-scale surveys, massive spectral data will be produced ...
Jing-chang, Pan +5 more
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Analytical and Bioanalytical Chemistry, 2008
Based on a so-called ensemble strategy, an algorithm is proposed for near-infrared (NIR) spectral calibration of complex beverage samples. This algorithm is a combination of a novel training set/test set sample-selection procedure based on a Kohonen self-organizing map (SOM) with a simple procedure to calculate an average partial least-squares (PLS ...
Chao, Tan, Xin, Qin, Menglong, Li
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Based on a so-called ensemble strategy, an algorithm is proposed for near-infrared (NIR) spectral calibration of complex beverage samples. This algorithm is a combination of a novel training set/test set sample-selection procedure based on a Kohonen self-organizing map (SOM) with a simple procedure to calculate an average partial least-squares (PLS ...
Chao, Tan, Xin, Qin, Menglong, Li
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Journal of the Indian Society of Remote Sensing, 2018
In this study, we have evaluated the potential use of spectral mapping algorithms in deriving spectrolithological maps of metasedimentary rocks of Vindhyan group of rocks. In this regard, we have processed visible near infrared (VNIR) and shortwave infrared (SWIR) bands of Advanced Speceborne Thermal Emission and Reflection Radiometer (ASTER) data ...
D. Ananth Rao, Arindam Guha
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In this study, we have evaluated the potential use of spectral mapping algorithms in deriving spectrolithological maps of metasedimentary rocks of Vindhyan group of rocks. In this regard, we have processed visible near infrared (VNIR) and shortwave infrared (SWIR) bands of Advanced Speceborne Thermal Emission and Reflection Radiometer (ASTER) data ...
D. Ananth Rao, Arindam Guha
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Journal of Chemometrics, 2016
Raman mapping and chemometrics are proposed to accurately characterize the composition of tablets. The most critical step of the state‐of‐art curve resolution methods (such as multivariate curve resolution‐alternating least squares [MCR‐ALS]) is the determination of the number of constituents, when chemical imaging is coupled with multivariate data ...
Attila Farkas +6 more
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Raman mapping and chemometrics are proposed to accurately characterize the composition of tablets. The most critical step of the state‐of‐art curve resolution methods (such as multivariate curve resolution‐alternating least squares [MCR‐ALS]) is the determination of the number of constituents, when chemical imaging is coupled with multivariate data ...
Attila Farkas +6 more
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The Spectral Element Method Used to Assess the Quality of a Global C 1 Map
2010In this work we focus on C 1 maps from a reference domain to a family of deformed domains. The regularity of a map affects the approximation properties of the mapped mesh, and we use the regularity as a measure of the quality of the mesh. To compare the regularities of different maps we consider the convergence of the spectral element method when a ...
A. E. Løvgren +2 more
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Improvement of Spectral Afterglow Mapping Method Based on Density Inhomogeneity
2022 6th International Conference on Wireless Communications and Applications (ICWCAPP), 2022Mengjiao Tang +3 more
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Remote Sensing of Environment, 2005
Studies of caribou herds in northern regions are important to better understand population dynamics and define wildlife management strategies. Lichen is a primary food source for caribou and is a good indicator of caribou herd activity because of its sensitivity to overgrazing and overtrampling, its widespread distribution over northern areas, and its ...
J. Théau, D.R. Peddle, C.R. Duguay
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Studies of caribou herds in northern regions are important to better understand population dynamics and define wildlife management strategies. Lichen is a primary food source for caribou and is a good indicator of caribou herd activity because of its sensitivity to overgrazing and overtrampling, its widespread distribution over northern areas, and its ...
J. Théau, D.R. Peddle, C.R. Duguay
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2018
252By virtue of its narrow bandwidth and higher spectral resolution, hyperspectral data (Hyperion, AVIRIS) can provide an accurate spectral mapping process for surface characterization of geological lithounits. A detailed spectral classification of lithounits as a function of its mineral phase assemblage (rock assemblage) can be further used for ...
Soumendu Shekhar Roy +1 more
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252By virtue of its narrow bandwidth and higher spectral resolution, hyperspectral data (Hyperion, AVIRIS) can provide an accurate spectral mapping process for surface characterization of geological lithounits. A detailed spectral classification of lithounits as a function of its mineral phase assemblage (rock assemblage) can be further used for ...
Soumendu Shekhar Roy +1 more
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Spectral Mapping Analysis: A Method for the Characterization of Stationary Phases
Journal of Chromatographic Science, 1994T. Hamoir +3 more
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Spectral Mappings for Graph Wavelets
IEEE Transactions on Signal Processing, 2022David B Tay, David B H Tay
exaly