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]

If the pointcloud fromt he kinect is registered, then using the same index of the pixel in the images to access the pointcloud would give you the 3D position of that pixel.

You can check if the kinect driver is registered by running dynamic reconfigure: rosrun dynamic_reconfigure reconfigure_gui

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.