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]

Multiple threads within a single process do run on different cores of the CPU (http://stackoverflow.com/questions/2986931/the-way-cores-processes-and-threads-work-exactly). So nodelets are solving exactly your use case. That's why most of the image processing code is ROS package use nodelerts to implement the pipeline.

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.