Using Neural Nets to Derive Sensor-Independent Climate Quality Vegetation Data: AVHRR and MODIS NDVI Datasets. Molly E. Brown David J. Lary Hamse Mussa. Outline. Multiple Sensors, One target: estimating ground vegetation variability through time
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Using Neural Nets to Derive Sensor-Independent Climate Quality Vegetation Data:AVHRR and MODIS NDVI Datasets
Molly E. Brown
David J. Lary
This paper tries to address those differences caused by
Atmospheric Interference of signal.
GIMMS AVHRR VIg
GISS Soil Map
Neural Net Correction
Removes high latitude differences, as well as those in the tropics.
Difference Before NN
Difference After NN
24 years of NDVI data
Scatter plot of
AVHRR-MODIS (x axis) vs
Of all three