Sciweavers

IGARSS
2009
13 years 10 months ago
Improving NDVI Time Series Class Separation using an Extended Kalman Filter
It 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 ...
Waldo Kleynhans, J. Corne Olivier, Brian P. Salmon...
IGARSS
2009
13 years 10 months ago
Developing a New Automated Tool for Detecting and Monitoring Dust and Sand Storms using MODIS and Meteosat SEVIRI-MSG Data
In the last three decades, significant advances have been made in mapping and monitoring environmental changes from Earth Observation satellites across a range of spatial and temp...
Hosni Ghedira, Adnan Al Rais
IGARSS
2009
13 years 10 months ago
Within- and Between-class Variability of Spectrally Similar Tree Species
In this paper, a comparison is made through evaluating the withinand between-class species variability for the original, the first derivative and second derivative spectra. For ea...
Pravesh Debba, Moses Azong Cho, Renaud Mathieu
IGARSS
2009
13 years 10 months ago
Remotely Sensed Phenology for Mapping Biomes and Vegetation Functional Types
This study used remotely-sensed phenology data derived from Advanced Very High Resolution Radiometer (AVHRR), in a fully supervised decision-tree classification based on the new b...
Konrad J. Wessels, Karen Steenkamp, Graham Von Mal...
IGARSS
2009
13 years 10 months ago
Unmixing Sparse Hyperspectral Mixtures
Finding an accurate sparse approximation of a spectral vector described by a linear model, when there is available a library of possible constituent signals (called endmembers or ...
Marian-Daniel Iordache, José M. Bioucas-Dia...
IGARSS
2009
13 years 10 months ago
Developing New Spectral Indices for Karst Rocky Desertification Monitoring in Southwest China
Karst rocky desertification is a special kind of land desertification developed under violent human impacts on the vulnerable eco-geo-environment of karst ecosystem. The fractiona...
Yuemin Yue, Kelin Wang, Junsheng Li, Bing Zhang, B...
IGARSS
2009
13 years 10 months ago
Robust Endmember Extraction in the Presence of Anomalies
Most available methods for endmember extraction use the convexity of the data structure and consider the vertices of the data as the purest pixels. Such methods do not consider th...
Olga Duran, Maria Petrou
IGARSS
2009
13 years 10 months ago
Target Detection in Hyperspectral Mineral Data using Wavelet Analysis
Michael Mitchley, Michael Sears, Steven Damelin
IGARSS
2009
13 years 10 months ago
Integrating Remote Sensing and Ancillary Data for Regional Ecosystem Assessment: Eucalyptus Grandis Agro-system in KwaZulu-Natal
The ability of various ecosystems to perform vital functions such as biodiversity production, and water, energy and nutrient cycling depends on the ecosystem state, i.e. health. E...
Moses Azong Cho, Jan van Aardt, Bongani Majeke, Ru...