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You should not add some random camera.yaml file, but one that is the result from calibrating your camera. Nevertheless the publishing of images should still work, even if the calibration parameters are likely quite wrong.

Start the driver, and execute rostopic list in another terminal. Edit your question and include the exact output of that command.

You should not add some random camera.yaml file, but one that is the result from calibrating your camera. Nevertheless the publishing of images should still work, even if the calibration parameters are likely quite wrong.

Start the driver, and execute rostopic list in another terminal. Edit your question and include the exact output of that command.

EDIT:

From the output you can see that the topic names of image view and gscam do not match. You should run image_view with the following arguments:

rosrun image_view image_view image:=/camera/image_raw