ROS Resources: Documentation | Support | Discussion Forum | Index | Service Status | ros @ Robotics Stack Exchange
Ask Your Question

Load intrinsic parameters from file [ueye]

asked 2017-08-11 10:03:20 -0500

matt_do gravatar image

Hi, I got an issue with loading parameters from a file while starting the ueye-node. First I configured the parameters from the commandline and than dumped it in a file. I used the following command:

rosrun dynamic_reconfigure dynparam dump /camera <file-name>

I can change this file in an editor and load it back via the load command.

So, now my issue. Is there a possibility to store the file in a specific folder so that the node loads these parameters at startup?

When the ueye-node starts, there is a warning saying:

Failed to load intrinsics for camera from file

However, I do not know where and in what format the file must be saved. Does somebody has any idea?

edit retag flag offensive close merge delete

1 Answer

Sort by ยป oldest newest most voted

answered 2017-08-11 12:25:53 -0500

kmhallen gravatar image

Parameters (dynamic or not) can be loaded from a file in roslaunch:

Camera calibration and intrinsics are separate. The intrinsics are stored in a configurable folder. This is purely used to dewarp the image using nodes like image_proc and others. This file is auto-generated with a calibration procedure involving a checkerboard.


edit flag offensive delete link more


Thank you for your prompt and comprehensible reply. Now, the difference between parameters and intrinsics is crystal clear.

matt_do gravatar image matt_do  ( 2017-08-11 13:44:50 -0500 )edit

Question Tools

1 follower


Asked: 2017-08-11 10:03:20 -0500

Seen: 543 times

Last updated: Aug 11 '17