Monitoring Onion Growth using UAV NDVI and Meteorological Factors

Monitoring Agricultural Biomass Using NDVI Time Series

Monitoring Meteorological Drought in Iran Using Remote Sensing and Drought Indices

Drought is a major environmental disaster in many parts of the world. Knowledge about the timing, severity and extentof drought can aid planning and decision-making. Drought indices derived from in-situ meteorological data have coarsespatial and temporal resolutions, thus, obtaining a real-time drought condition over a large area is difficult. This studyused advanced very high resolution radiom...

Modeling NDVI Using Joint Entropy Method Considering Hydro-Meteorological Driving Factors in the Middle Reaches of Hei River Basin

Terrestrial vegetation dynamics are closely influenced by a multitude of factors. This study investigated the relationships between vegetation patterns and their main influencing factors. The joint entropy method was employed to evaluate the dependence between normalized difference vegetation index (NDVI) and coupled variables in the middle reaches of Hei River basin. Based on the spatial distr...

Operational Drought Monitoring in Kenya Using MODIS NDVI Time Series

Reliable drought information is of utmost importance for efficient drought management. This paper presents a fully operational processing chain for mapping drought occurrence, extent and strength based on Moderate Resolution Imaging Spectroradiometer (MODIS) normalized difference vegetation index (NDVI) data at 250 m resolution. Illustrations are provided for the territory of Kenya. The process...

Surveillance and Monitoring Using Video Images from a UAV

We present a methodology to perform the analysis of a video stream, as generated by an Unmanned Air Vehicle observing a theater of operation. The goal of this analysis is to provide an alert mechanism to a human operator. We propose to first detect independently moving objects, then to track and classify them, and to infer behaviors using context. We propose to use, as context, the information ...