I mean anything about lighting, perspective or ....
The analysis is going to employ on some fine aggregates (smaller than 0.075 micrometers), and the change in the color is the matter of great importance.
You do not give away which type of "geomaterials" you are considering and which features you want to extract, thus only some generalized considerations can be given:
Regards
Hi U.Dreher,
Thank you for your response.
Could you please explain about noise reduction in the process of taking photos.
Cheers,
Sorry for the late reply ...
About noise in Imaging: image sensors sport - amongst other sources of "noise" - some basic (thermal or dark) noise. If you have low light conditions, this noise is high with respect to your "Image signal". With higher light conditions, this ratio improves as this noise is virtually constant while the amplitude of the image signal increases with lighting. So this is merely some mathematical topic.
What I somehow missed were the other topics.
Regards
Dear Ebrahim,
It is important to tell what geomaterial do you intend for imaging.
For noise reductions, you can acquire images several times in the same condition of camera, and average their pixel values.
I suggest that take several images from each situation and intensity, and compare their corresponding results, and then set your system with that situation and intensity in which provide best results and go ahead for your next experiments.
Regards,
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