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Browsing by Subject "Moderate resolution imaging spectroradiometer"

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Improving land cover class separation using an extended Kalman filter on MODIS NDVI time series data

Author: Kleynhans, W ; Olivier JC ; Wessels, Konrad J ; Van Den Bergh F ; Salmon BP ; Steenkamp Karen C Date: 15 Dec 2009 It is proposed that the NDVI time-series derived from MODIS satellite data can be modelled as a triply (mean, phase and amplitude) modulated cosine function. Secondly, a non-linear Extended Kalman Filter is developed to estimate the parameters ... Read more
Land-cover separability analysis of MODIS time-series data using a combined simple harmonic oscillator and a mean reverting stochastic process

Author: Grobler, TL ; Ackermann, ER ; Olivier, JC ; Van Zyl, AJ ; Kleynhans, W Date: Jun 2012 It is proposed that the time series extracted from moderate resolution imaging spectroradiometer satellite data be modeled as a simple harmonic oscillator with additive colored noise. The colored noise ismodeled with an Ornstein–Uhlenbeck ... Read more
Multi-threaded compression of Earth observation time-series data

Author: Swanepoel, Derick ; Van den Bergh, Frans Date: Mar 2017 Earth observation data are typically compressed using general-purpose single-threaded compression algorithms that operate at a fraction of the bandwidth of modern storage and processing systems. We present evidence that recently developed ... Read more

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Browsing by Subject "Moderate resolution imaging spectroradiometer"

Browsing by Subject "Moderate resolution imaging spectroradiometer"

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