[ros-users] Stereo image to 3D

Dejan Pangercic dejan.pangercic at gmail.com
Sat Feb 5 19:47:25 UTC 2011

> On 02/05/2011 11:09 AM, Dejan Pangercic wrote:
>> Hi there, trivial question i guess but does anyone have an example ROS code that projects a set of 2d points from a
>> stereo camera (e.g. Pr2's narrow stereo) to a 3d pointcloud? cheers d.
> The question is a bit ill-posed or I just didn't understand it. :) Do you want to obtain the color of a pixel (2D) and
> attach it to a 3D point? What is the "2D point from a stereo camera"? Is the target 3D cloud generated by the same
> sensor, or a different sensor? Is calibration available?
yeah I agree, I wrote it too much in a hurry.
I basically detect a set of features in both left and right camera of
PR2's narrow stereo rig (so yes calibration is available) and would
now like to get a 3D position for every of these features.

cheers, D.

> Cheers,
> Radu.
> --
> http://pointclouds.org
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MSc. Dejan Pangercic
PhD Student/Researcher
Intelligent Autonomous Systems Group
Technische Universität München
Telephone: +49 (89) 289-26908
E-Mail: dejan.pangercic at cs.tum.edu
WWW: http://ias.cs.tum.edu/people/pangercic

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