[ros-users] Detecting Glass Walls

[Radu Bogdan Rusu]

You're welcome. Let us know if you find out more on this. We'll be potentially interested to improve our navigation 
stack in the future to deal with that. :)

Cheers,
Radu.

Eric Perko wrote:
> Thanks Radu,
> 
> I haven't gotten into a serious literature search yet, but thats my
> next stop. Figured I'd ping this list first and see if any of the ROS
> users out there had already solved this or done some experimenting
> with any methods and found them to be good/bad.
> 
> - Eric
> 
> On Fri, Apr 2, 2010 at 12:44 PM, Radu Bogdan Rusu <rusu at willowgarage.com> wrote:
>> Hi Eric,
>>
>> Ouch, glass walls. No, unfortunately there isn't a lot that can be done with LIDAR sensors there. You can try to use
>> reflections to generate stereo data and hope for the best, but that's not going to work everytime. You are right,
>> employing sonars might help. Did you check the literature to see what other people are using to deal with glass?
>>
>> Cheers,
>> Radu.
>>
>> Eric Perko wrote:
>>> Hey all,
>>>
>>> After looking at the wiki for ROS sonar packages, I started wondering.
>>> Currently, the robots I work on have issues detecting glass walls, as
>>> their primary range sensor is a SICK LMS291, which pings right through
>>> the glass (obviously). To solve this for a robotic tour guide
>>> application, we are looking into sonars.
>>>
>>> So my question is, what are some approaches that you use to detect
>>> things such as glass walls that both LIDARs and cameras might have
>>> trouble with? Can the PR2 see glass walls and, if so, how?
>>>
>>> Thanks
>>> Eric Perko
>>> wisesage5001 at gmail.com
>>> eric.perko at case.edu
>>> mobilerobots.case.edu
>>> _______________________________________________
>>> ros-users mailing list
>>> ros-users at code.ros.org
>>> https://code.ros.org/mailman/listinfo/ros-users
>> --
>> | Radu Bogdan Rusu | http://rbrusu.com/
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-- 
| Radu Bogdan Rusu | http://rbrusu.com/