Title :
Singular Spectrum Analysis for Filling Gaps and Reducing Uncertainties of MODIS Land Products
Author :
Wang, Dongdong ; Liang, Shunlin
Author_Institution :
Dept. of Geogr., Univ. of Maryland, College Park, MD
Abstract :
Gaps and uncertainties within current Moderate Resolution Imaging Spectroradiometer (MODIS) land products limit their application in understanding land surface dynamics. This paper employs a revised iterative strategy based on multi-channel singular spectrum analysis (MSSA) to fill the gaps in MODIS land products. Our results on MODIS leaf area index (LAI) products show MSSA has the ability to use both spatial and temporal information to fill gaps within MODIS LAI products to produce spatially and temporally smoother datasets.
Keywords :
geomorphology; geophysical signal processing; geophysical techniques; iterative methods; remote sensing; vegetation; MODIS land products; Moderate Resolution Imaging Spectroradiometer; iterative strategy; land surface dynamics; leaf area index; multichannel singular spectrum analysis; uncertainty reduction; Filling; Geography; Image analysis; Iterative algorithms; Land surface; MODIS; Matrix decomposition; Principal component analysis; Signal analysis; Uncertainty; LAI; MODIS; SSA; gap filling;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 2008. IGARSS 2008. IEEE International
Conference_Location :
Boston, MA
Print_ISBN :
978-1-4244-2807-6
Electronic_ISBN :
978-1-4244-2808-3
DOI :
10.1109/IGARSS.2008.4780153
