I see where you're coming from. Well in general in the "big photogrammetry" (aerial) we're sometimes using only a single channel to run TPM (tie point matching) and usually thats the Green channel (never use the Blue one). Would it make any difference in the AT - in your case I dont think so cuz CC is a black box plus if you use 16bit images for the AT then later on your textures in the final mesh will also be 16bit and they will look "black" to you. I dont believe CC has an algorithm to scale 16 to 8 bits automatically. So my suggestion in your case would be to scale to 8 bit images and use those for AT and Reconstruction, of course while scaling be careful not to overexpose or underexpose the output cuz then the matching will give bad results (noise in the point cloud). I hope I managed to help :) Cheers, Ivan
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