Ok, thanks Patrick.
On Fri, Jan 21, 2011 at 11:34 AM, Patrick Mihelich <
mihelich@willowgarage.com> wrote:
> Hi Homer,
>
> You must calibrate your cameras before you can do stereo. See
> http://www.ros.org/wiki/camera_calibration/Tutorials/StereoCalibration.
>
> Cheers,
> Patrick
>
> On Thu, Jan 20, 2011 at 7:27 PM, Homer Manalo <homer.manalo@roboteknik.com
> > wrote:
>
>> I wanted to view stereo images using the stereo_image_proc but I always
>> get three blank windows(disparity, left, right). I am using the uvc_stereo
>> driver for two separate webcams. I am assuming that this driver fakes the
>> synchronization. The driver also publishes the topics at this format:
>> /left/image_raw, /right/image_raw so I typed in ROS_NAMESPACE=/, am I right
>> on this? The stereo_image_proc window is also displaying an error: "[ERROR]
>> [1295580006.697030969]: [stereo_image_proc] Rectified or stereo topic
>> requested, but cameras are uncalibrated." Should I get the cameras
>> calibrated first? Is there any way I can run it without calibrating, just
>> for simple testing? Here's the node info if it can help:
>>
>> Node [/stereo_image_proc_1295578845843245812]
>> Publications:
>> * /left/image_mono [sensor_msgs/Image]
>> * /left/image_color [sensor_msgs/Image]
>> * /points2 [sensor_msgs/PointCloud2]
>> * /left/image_rect_color [sensor_msgs/Image]
>> * /rosout [roslib/Log]
>> * /points [sensor_msgs/PointCloud]
>> * /right/image_rect [sensor_msgs/Image]
>> * /right/image_mono [sensor_msgs/Image]
>> * /disparity [stereo_msgs/DisparityImage]
>> * /right/image_color [sensor_msgs/Image]
>> * /stereo_image_proc_1295578845843245812/parameter_updates
>> [dynamic_reconfigure/Config]
>> * /left/image_rect [sensor_msgs/Image]
>> * /right/image_rect_color [sensor_msgs/Image]
>> * /stereo_image_proc_1295578845843245812/parameter_descriptions
>> [dynamic_reconfigure/ConfigDescription]
>>
>> Subscriptions:
>> * /right/image_raw [sensor_msgs/Image]
>> * /left/camera_info [sensor_msgs/CameraInfo]
>> * /right/camera_info [sensor_msgs/CameraInfo]
>> * /left/image_raw [sensor_msgs/Image]
>>
>> Services:
>> * /stereo_image_proc_1295578845843245812/set_logger_level
>> * /stereo_image_proc_1295578845843245812/set_parameters
>> * /stereo_image_proc_1295578845843245812/get_loggers
>>
>>
>> contacting node http://roboteknik-desktop:48241/ ...
>> Pid: 3980
>> Connections:
>> * topic: /rosout
>> * to: /rosout
>> * direction: outbound
>> * transport: TCPROS
>> * topic: /stereo_image_proc_1295578845843245812/parameter_descriptions
>> * to: /reconfigure_gui_4042_1295578871464
>> * direction: outbound
>> * transport: TCPROS
>> * topic: /stereo_image_proc_1295578845843245812/parameter_updates
>> * to: /reconfigure_gui_4042_1295578871464
>> * direction: outbound
>> * transport: TCPROS
>> * topic: /left/image_rect
>> * to: /stereo_view_1295579688171590464
>> * direction: outbound
>> * transport: TCPROS
>> * topic: /right/image_rect
>> * to: /stereo_view_1295579688171590464
>> * direction: outbound
>> * transport: TCPROS
>> * topic: /disparity
>> * to: /stereo_view_1295579688171590464
>> * direction: outbound
>> * transport: TCPROS
>> * topic: /left/image_raw
>> * to: http://roboteknik-desktop:55552/
>> * direction: inbound
>> * transport: TCPROS
>> * topic: /left/camera_info
>> * to: http://roboteknik-desktop:55552/
>> * direction: inbound
>> * transport: TCPROS
>> * topic: /right/image_raw
>> * to: http://roboteknik-desktop:55552/
>> * direction: inbound
>> * transport: TCPROS
>> * topic: /right/camera_info
>> * to: http://roboteknik-desktop:55552/
>> * direction: inbound
>> * transport: TCPROS
>>
>> _______________________________________________
>> ros-users mailing list
>> ros-users@code.ros.org
>> https://code.ros.org/mailman/listinfo/ros-users
>>
>>
>
> _______________________________________________
> ros-users mailing list
> ros-users@code.ros.org
> https://code.ros.org/mailman/listinfo/ros-users
>
>
(text/plain)