* Nick Ves <[email protected]> [2015-06-05 11:44:18 +0300]: > > Take note for WV3 [0] digital globe states that > > " > WorldView-3 addresses this problem by being the first commercial imaging > satellite with an atmospheric sensor as part of its payload. During image > capture, the WorldView-3 atmospheric sensor is designed to detect the > presence of clouds, aerosols and water vapor at 31 meter resolution, > thereby measuring the exact atmospheric conditions corresponding to every > recorded image [...]. > > *DigitalGlobe has developed proprietary algorithms that use these > atmospheric measurements to normalize WorldView-3 imagery for consistency*. > This normalization is called atmospheric compensation, which is especially > important for information extraction, such as change detection and > vegetation analysis because changes > *due to the atmosphere have been removed*. > > " > > Which seems to imply that their (of-the-shelf) products are already > cleaned from any atmospheric artistic. > > Further confirmation on that would I think is needed. > > > [0] > https://www.digitalglobe.com/sites/default/files/DG_Pixels_to_Products_forWeb.pdf >
Or, maybe it's simply still "new" and calibration wroks are still on-going? See: <http://remotesensing.spiedigitallibrary.org/article.aspx?articleid=2300382>. Nikos A _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
