I've come across a couple of publicly available hyperspectral image datasets from the website http://www.ehu.eus/ccwintco/index.php/Hyperspectral_Remote_Sensing_Scenes

Now, my concern is regarding whether or not we can use these datasets directly for building machine learning based models.

Are these datasets geometrically and atmospherically correct? Or do these datasets further require atmospheric and geometric corrections prior to building any machine learning based model?

Also, how can one be assured that a captured hyperspectral image scene is atmospherically and geometrically correct?

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