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An autocorrelation analysis approach to detecting land cover change using hyper-temporal time-series data

Author: Kleynhans, W ; Salmon, BP ; Olivier, JC ; Wessels, Konrad J ; Van den Bergh, F Date: Jul 2011 Human settlement expansion is one of the most pervasive forms of land cover change in the Gauteng province of South Africa. A method for detecting new settlement developments in areas that are typically covered by natural vegetation using ... Read more
Comparison of feature extraction methods within a spatio-temporal land cover change detection framework

Author: Kleynhans, W ; Salmon, BP ; Olivier, JC ; Wessels, Konrad J ; Van den Bergh, F Date: Jul 2011 In 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
Effects of viewing- and illumination geometry on settlement type classification of quickbird images

Author: Van den Bergh, F Date: Jul 2011 Image texture features extracted from high-resolution remotely sensed images over urban areas have shown promise in their ability to distinguish different settlement classes. Without any explicit mechanism to counter the effects of variable ... Read more
Retrieval of atmospheric boundary layer height by CSIR NLC mobile LIDAR, Pretoria (25.5° S; 28.2° E), South Africa

Author: Sivakumar, V ; Sharma, Ameeth ; Bollig, C Date: Jul 2011 In this paper, the authors present the preliminary methods for detection of the boundary layer based on backscattered signals from a mobile LIDAR (LIght Detection And Ranging) developed at Council for Scientific and Industrial Research (CSIR) ... Read more
Vicarious calibration campaign in Argentina for radiometric calibration of a multispectral imager onboard sumbandila satellite

Author: Griffith, DJ ; Horlent, M ; Ibañez, G ; Lysko, MD ; Lubbe, M ; Mudau, AE ; Torrusio, S ; Venkataraman, S ; Vhengani, LM Date: Jul 2011 Continuous assessment of the radiometric response of Earth Observation (EO) satellite imagers is necessary for the quality assurance of derived data products. With the launch of South Africa’s SumbandilaSat in September 2009, a number of ... Read more

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Browsing by Subject "IGARSS 2011"

Browsing by Subject "IGARSS 2011"

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