[ros-users] Get real coordinate in pointcloud topic from RGB pixel Openni

Andre Barcelos barcelos.andre at yahoo.com
Wed Nov 20 21:25:39 UTC 2013

Someone knows how to discover the pointcloud "pixel"(x,y,z in real world) giving a pixel from RGB camera?
I am using a feature descriptor (ORB) in RGB frame (/camera/rgb/image_color) its returns the x,y from the plannar image, I want a relation of this RGB pixel (feature) to get the real world coordinate in pointcloud topic (/camera/depth_registered/points).
Andre Barcelos.

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