[ros-users] Bumblebee_stereo

Medi-Care Robotics itsmyrobot at gmail.com
Thu Jul 7 19:07:59 UTC 2011


Are you running stereo_image_proc? I think it is needed. At least with stereo webcams it does.



Op 7 jul. 2011 om 18:57 heeft dianabel81 at gmail.com het volgende geschreven:

> Hi, I am sorry about my last message I know I wasn’t as much specific as I should be, now I will try to explain it better.
> 
> We have the bumbblebee XB3 BBX3-13S2C connected by firewire on a debian squeeze box with ros installed using diamondback. I would like to obtain 3D information (point cloud, stereo image and disparity map) using this camera .
> 
> 
> I have seen that the package ''bumblebee2'' provides the left and rigth images and the disparity image, and the "bumblebee_stereo" package computes disparity and point cloud from a pair of stereo images so I have tried them both.
> 
> when I use coriander it works correctly. I have also installed camera1394 package, I type rosrun camera1394 camera1394_node and in other console I type rosrun image_view image_view image:=camera/image_mono and it shows a mono image obtained by the cam.
> 
> Everything is going ok until this moment, but the problems start when I try the next packages:
> 
> 
> 
> bumblebee2 package
> I type roslaunch bumblebee2 Bumblebee2.launch and I obtain this:
> 
> [error][1310052718.389426286]:segmentation fault, stopping camera.
> segmentation fault stopping camera driver.
> 
> but this error appears several times and does not stop by itself
> 
> 
> 
> bumblebee_stereo package
> by the other side I have installed the bumblebee_stereo package but when I type roslaunch bumblebee_stereo bumblebee_stereo.launch I obtain this:
> 
> Checking log directory for disk usage. This may take awhile.
> Press Ctrl-C to interrupt
> Done checking log file disk usage. Usage is <1GB.
> 
> started roslaunch server http://sonar:53437/
> 
> SUMMARY
> ========
> 
> PARAMETERS
> * /bumblebee_stereo/stereo_height
> * /bumblebee/frame_id
> * /rosdistro
> * /bumblebee/exposure
> * /bumblebee/calibration_path
> * /bumblebee/video_mode
> * /bumblebee_stereo/do_rectify
> * /bumblebee_stereo/calibration_path
> * /bumblebee/brightness
> * /bumblebee/gain_auto
> * /bumblebee/exposure_auto
> * /bumblebee/brightness_auto
> * /rosversion
> * /bumblebee_stereo/do_keep_coords
> * /bumblebee_stereo/do_stereo
> * /bumblebee_stereo/stereo_width
> * /bumblebee/gain
> * /bumblebee/fps
> * /bumblebee/videre_mode
> * /bumblebee_stereo/do_calc_points
> 
> 
> NODES
> /
> bumblebee (bumblebee1394/bumblebee1394)
> bumblebee_stereo (bumblebee_stereo/bumblebee)
> 
> ROS_MASTER_URI=http://localhost:11311
> 
> core service [/rosout] found
> process[bumblebee-1]: started with pid [3319]
> process[bumblebee_stereo-2]: started with pid [3320]
> [ INFO] [1310053198.109936223]: I'm keeping the image coordinates in the point cloud
> libdc1394 error: Generic failure: in dc1394_video_set_transmission (control.c, line 953): Could not stop ISO transmission
> 
> libdc1394 warning: iso allocation not implemented yet for juju drivers, using channel 0...
> [ INFO] [1310053199.442858529]: Serial no: 8251014
> [ INFO] [1310053199.443020916]: Writing calibration to file: /srv/ros/bumblebee_stereo/config/8251014.cal
> [ INFO] [1310053199.443835866]: Initialize triclops context from: /srv/ros/bumblebee_stereo/config/8251014.cal
> 
> 
> Do I have forgotten something that makes that the packages don’t work?
> what can i do?
> 
> Thanks in advance.
> *******************
> El , Nutan Chen <ntchen86 at gmail.com> escribió:
> > This problem?
> > 
> > http://answers.ros.org/question/1096/segmentation-fault-of-bumblebee2
> > 
> > 
> > 
> > On 7 July 2011 01:38, Tully Foote tfoote at willowgarage.com> wrote:
> > 
> > When asking questions please follow the guidelines at http://www.ros.org/wiki/Support#Guidelines_for_asking_a_question  You're not providing enough information for us to be able to help you effectively.  Especially when you state there are "Errors" you should cut and paste the errors and tell us how to reproduce them. Also as Jack mentioned the right forum for this question is answers.ros.org.  Please ask it there with more details.  
> > 
> > 
> > 
> > 
> > Tully
> > 
> > 
> > On Wed, Jul 6, 2011 at 9:09 AM, dianabel81 at gmail.com> wrote:
> > 
> > 
> > 
> > Yeah i have tried that, but it is not working
> > 
> > El , Medi-Care Robotics itsmyrobot at gmail.com> escribió:
> > 
> > > Have you tried :
> > 
> > 
> > 
> > > 
> > > 
> > > 
> > > Rosrun image_view image_view
> > > 
> > > 
> > > 
> > > In a terminal?
> > > 
> > > 
> > > 
> > > 
> > > 
> > > 
> > > 
> > > Op 6 jul. 2011 om 15:32 heeft dianabel81 at gmail.com het volgende geschreven:
> > 
> > 
> > 
> > > 
> > > 
> > > 
> > > > Hi, i have installed the package bumblebe_stereo, the roslaunch works correctly, but what do I have to do after that, i have tried to use image_view but i can not see anything, it shows an error.
> > 
> > 
> > 
> > > 
> > > >
> > > 
> > > > Any advice? thanks in advance
> > > 
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> > 
> > -- 
> > Tully Foote
> > Systems Engineer
> > Willow Garage, Inc.
> > tfoote at willowgarage.com
> > 
> > (650) 475-2827
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