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Browsing by Subject "Hyperspectral data"

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Estimating mineral content of indigenous browse species using Laboratory spectroscopy and Sentinel-2 imagery

Author: Gama, MJ ; Cho, Moses A ; Chirwa, P ; Masemola, Cecilia Date: Mar 2019 Trees provide low-cost organic inputs, with the potential to improve livelihoods for rural communities. Understanding foliar nutrients of tree species is crucial for integration of trees into agroecosystems. The study explored nitrogen (N), ... Read more
Examining pine spectral separability using hyperspectral data from an airborne sensor : an extension of field-based results

Author: Van Aardt, JAN ; Wynne, RH Date: Jan 2007 Three southern USA forestry species, loblolly pine (Pinus taeda), Virginia pine (Pinus virginiana), and shortleaf pine (Pinus echinata), were previously shown to be spectrally separable (83% accuracy) using data from a full-range spectro-radiometer ... Read more
Hyperspectral remote sensing techniques for grass nutrient estimations in savannah ecosystems

Author: Ramoelo, Abel ; Cho, Moses A ; Mathieu, Renaud SA ; Skidmore, AK ; Scherf, M ; Heitkonig, I ; Prins, HHT ; Asner, G Date: Mar 2010 Information on the distribution of grass quality (nutrient concentration) is crucial in understanding rangeland vitality and facilitates effective management of wildlife and livestock. The spatial distribution of grass nutrient concentration ... Read more
Spectral resampling based on user-defined interband correlation filter: C3 and C4 grass species classification

Author: Adjorlolo, C ; Mutanga, O ; Cho, Moses A ; Ismail, R Date: Apr 2013 In this paper, a user-defined inter-band correlation filter function was used to resample hyperspectral data and thereby mitigate the problem of multicollinearity in classification analysis. The proposed resampling technique convolves the ... Read more
Unmixing of spectrally similar minerals

Author: Debba, Pravesh Date: 2009 Most spectral unmixing techniques are variants of algorithms involving matrix inversion. Major problem in spectral unmixing is the non-orthogonality of end-members. The ability to estimate abundances in complex mixtures through spectral ... Read more
The use of hyperspectral data for tree species discrimination: Combining binary classifiers

Author: Dastile, X ; Jager, G ; Debba, Pravesh Date: Nov 2010 This presentation assesses tree species diversity in Kruger National Park by using several different types of classification techniques. Read more

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Browsing by Subject "Hyperspectral data"

Browsing by Subject "Hyperspectral data"

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