Raspberry Pi Camera Node

Hi,
I followed you great tutorial
https://github.com/UbiquityRobotics/raspicam_node
working with Ubuntu 16.04 and ROS kinetic
camera module V2.
could you please help me with my problem.

in fiducials rviz
when I choose image topic as /fiducial_images (in order to detect the fiducial markers, the image field says (no image received)

if I change the image topic to /raspicam_node/image
it will work but the is no detection.

please help.
thanks