Also, the intensity of the sand sample measured with the Leica HDS 6100 is in agreement with the hyperspectral data.
This would allow the use of the same incidence angle correction functions for data from different scanners. More experiments with different objects are needed to verify the results, especially when backscattered intensity is high. The reflectance values for sugar samples are between 0.86-0.98, whereas those for Assuan and Kivenlahti samples are around 0.41-0.47 and 0.15-0.29, respectively. The reflectance value for Black Kivenlahti sandsample is around 0.04. Thus the incidence angle behavior
appears to be dominated by target reflectance.