Comment by Alvin for To run a camera calibration, you must be running the...
I see. Thanks for the tip!
View ArticleComment by Alvin for To run a camera calibration, you must be running the...
Thank you! After a bit of playing around with the calibration file, I was finally able to run that live video example launch file. Really appreciate your help! :)
View ArticleComment by ahendrix for To run a camera calibration, you must be running the...
After you click calibrate, you should wait for the video stream to resume before clicking save and commit. It should display the checkerboard and the calculated reprojection error.
View ArticleComment by ahendrix for To run a camera calibration, you must be running the...
In the meantime, since you have the calibration data, you should be able to construct the calibration file from the console output and stick it in the correct place. This may be of some help:...
View ArticleComment by Alvin for To run a camera calibration, you must be running the...
I'm not entirely sure what you mean, but when i did rostopic echo /usb_cam/camera_info, i noticed the D matrix was empty and the K,P,R matrices are full of zeros, which is different from the matrices...
View ArticleComment by ahendrix for To run a camera calibration, you must be running the...
That's the correct check to do. Unfortunately it sounds like the calibration isn't being committed to the camera properly. This sounds like a bug in the calibration program; you should probably file it...
View ArticleComment by Alvin for To run a camera calibration, you must be running the...
But then, the video stream display window freezes and stops responding and nothing happens afterwards...
View ArticleComment by ahendrix for To run a camera calibration, you must be running the...
That sounds like a bug in the calibration program, but it might not be a big deal. Can you tell if the calibration data is reflected properly in your camera's camera_info topic?
View ArticleComment by Alvin for To run a camera calibration, you must be running the...
I can't seem to get the calibration to fully finish. After i'm done with the checkerboard, I click "calibrate" and "save". After clicking "commit", the computer freezes, and eventually kills the...
View ArticleComment by Alvin for To run a camera calibration, you must be running the...
That is exactly what I did. When I click save, i get the msg: ('Wrote calibration data to', '/tmp/calibrationdata.tar.gz'). What exactly is the calculated reprojection error? After clicking commit,I...
View ArticleAnswer by ahendrix for Hi everyone,I am trying to get a Logitech webcam to...
To run a camera calibration, you must be running the camera driver node (usb_cam in your case) before you start the calibration node.
View ArticleWebcam does not display when using visp_auto_tracker
Hi everyone, I am trying to get a Logitech webcam to work with visp_auto_tracker to do some QR tracking. I am running ROS Hydro on Ubuntu. I started off with usb_cam and that worked fine with the...
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