About reflectance panel and radiometric correction

[Jose.Arnaudo]

Hi,

This is caused due to the lack of blue band in the sequoia camera, I guess the reflectance panel doesn’t have it either. So when trying to calibrate all bands from P4M, blue is missing.
Also read “The Parrot target does not report reflectance values for the P4M bands. You need to measure them yourself. First, measure the spectral reflectance factor with a spectro-radiometer. Then you need to know the spectral sensitivity of the P4M bands, and using that you can compute the effective nominal reflectance value of the Parrot target for the P4M bands” stated in this thread

Reflectance by Phantom4 Multispectral

Hi all, Let’s assume we get the correct factor values (from parrot or lab calibration) for using the parrot sequoia calibration target in our DJI P4 MSP processing. Can you explain how this can be done automatically, without the need from us manually to type in the reflectance factor value in the radiometric calibration window? At the moment the calibration target is automatically selected and also the light blue rectangle is drawn (so it is detected) but the factor values are missing.

Best.
José