RVIZ Image Pixel Selection [closed]

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Hi all,

I'm working with OpenCv and Ros-Fuerte. At the moment, I am displaying all of my images in an OpenCV window for pixel selections like the camshift_demo selection box. The images (cameras) are also published and viewed in RViz. Is there a plugin or code available to select pixels in a user defined region of interest in RViz?

Since most of the code publishes Images and Point cloud topics, I would like to get rid of the OpenCV window and just use RViz window to handle all of the selections.