This video shows how to test that a stereo camera is working. This is an answer to the question in ROS ANSWERS: https://goo.gl/eDQQYX
Here is the ROSject of the project, just click and the whole project will be copied to your ROSDS workspace:
https://goo.gl/Fg7A9h
Here is the code of this Answer:
https://bitbucket.org/theconstructcor...
http://wiki.ros.org/stereo_image_proc
https://en.wikipedia.org/wiki/Pupilla...
Here you have the link to RobotIgniteAcademy courses:
https://goo.gl/1UpaGJ