Hi,
Up to now, the reduce overlaps feature only works with a generated 3D mesh as a basis, not a DEM. For us it would be useful to accelerate the production of orthophotography where we would discard all the axis but the nadir.
If we do it with the generated mesh and the nadir images, the overlap algorithm will keep a bigger amount of images to cover the vertical faces which are not needed for the ortho end product. Basing it on a DEM would improve the rate of reduction and speed up the next steps of processing.
Regards,
Jean-Roc