Attention: Answers.ros.org is deprecated as of August the 11th, 2023. Please visit robotics.stackexchange.com to ask a new question. This site will remain online in read-only mode during the transition and into the foreseeable future. Selected questions and answers have been migrated, and redirects have been put in place to direct users to the corresponding questions on Robotics Stack Exchange. Additional details are available here.

Revision history [back]

How do you launch the files? Could you do a rostopic hz on /camera/image? You might want to have the

imgMsgToCv

in the try catch as this creates the exception. Further the

cvNamedWindow("Subscriber"); 
cvDestroyWindow("Subscriber");

must have the same windowname as

cvShowImage("view",img_original);

ROS Answers is licensed under Creative Commons Attribution 3.0 Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.