Camera_info not working with libuvc_camera

asked 2014-02-24 10:56:16 -0500

AlphaOne
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I have setup libuvc_camera with a Logitech C902, here is the error I get:

CameraInfo/P resulted in an invalid position calculation (nans or infs)

does anyone know what I am doing wrong?

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answered 2014-02-25 03:43:00 -0500

AlphaOne
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I had to run camera calibration http://wiki.ros.org/camera_calibratio...

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answered 2014-02-24 14:05:47 -0500

ahendrix

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It sounds like the yaml file that contains your camera info is invalid.

The node should print out which configuration file it pulls the camera info from when it starts up; take a look in that file, and possibly add it to your question.

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so I don't have a yaml file, it loads the 'default' which I can't find...

AlphaOne ( 2014-02-24 14:12:23 -0500 )edit

can you add the full output from running the libuvc_camera node to your question?

ahendrix ( 2014-02-24 15:05:13 -0500 )edit

the node doesn't output anything to the terminal I get the error in rviz, do you want a copy of the camera info message?

AlphaOne ( 2014-02-24 16:56:19 -0500 )edit

Wait... where is this error coming from? can you describe your setup in a little more detail? I had assumed the error message was coming from the camera driver itself.

ahendrix ( 2014-02-24 17:45:21 -0500 )edit

I have the camrea setup through USB, I can view the images coming from it in skype and image_view, but rviz can't display them. It gives the error but does give a message count. I am trying to use the camera for image tracking and my tracking code crashes. The crashing appears to be related to the camera info issue.

AlphaOne ( 2014-02-25 02:23:05 -0500 )edit

@AlphaOne Were you able to resolve this issue?