Calibration Code
Calculates WorldView-2 exoatmospheric (planetary; Top Of Atmosphere) reflectance conversion factor for radiance to reflectance.
Based on Chander & Markham (2003) and Updike & Comp (2010).
http://landsathandbook.gsfc.nasa.gov/pdfs/L5TMLUTIEEE2003.pdf
http://www.digitalglobe.com/downloads/Radiometric_Use_of_WorldView-2_Imagery.pdf
Download: ....Matlab:... WV2exoref.m