I get a shifted result (the image with 3 bands) in FineRegistration,
see here:
In color the result, in grey the reference image
My run: otbcli_FineRegistration -ref ./imaFX10.tif -sec ./delmewarpv2.tif -out ./test.tif -erx 5 -ery 5 -mrx 100 -mry 100 -ssrx 50 -ssry 50 -m CC