Author:Kleynhans, W; Salmon, BP; Olivier, JC; Wessels, Konrad J; Van den Bergh, FDate:Jul 2011In this paper, a change detection accuracy comparison is made between a recently proposed EKF method and a sliding window. Fast Fourier Transform(FFT) alternative within a spatio-temporal change detection framework. Both methods produce a ...Read more
Author:Kleynhans, W; Olivier JC; Wessels, Konrad J; Van Den Bergh F; Salmon BP; Steenkamp Karen CDate:15 Dec 2009It 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
Author:Kleynhans, W; Olivier, JC; Salmon, BP; Wessels, Konrad J; Van den Bergh, FDate:Jul 2009It is proposed that the NDVI time series derived from MODIS multitemporal remote sensing data can be modelled as a triply (mean, phase and amplitude) modulated cosine function. A non-linear Extended Kalman Filter was developed to estimate the ...Read more