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<br>Thanks,<br><font color="#888888">Tully</font><br><br><div class="gmail_quote">On Thu, Feb 17, 2011 at 4:43 AM, Asghari Oskoei, Mohammadreza <span dir="ltr"><<a href="mailto:m.asghari-oskoei@herts.ac.uk">m.asghari-oskoei@herts.ac.uk</a>></span> wrote:<br>

<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><div link="blue" vlink="purple" lang="EN-GB"><div><p class="MsoNormal">Hi, </p><p class="MsoNormal">

Thanks to all, </p><p class="MsoNormal"> </p><p class="MsoNormal">modified stereo_camera_model.cpp in image_geometry, now I can receive /stereo/disparity message, but still there is problem in image sync when I want to view by:  rosrun image_view stereo_view stereo:=/stereo image:=image_rect  there is just three gray windows (no image) and a [WARN] message as below </p>

<p class="MsoNormal">any suggestion, please? </p><p class="MsoNormal"> </p><p class="MsoNormal"> </p><p class="MsoNormal">[ WARN] [1297946062.739511145]: [stereo_view] Low number of synchronized left/right/disparity triplets received.</p>

<p class="MsoNormal">Left images received:      104 (topic '/stereo/left/image_rect')</p><p class="MsoNormal">Right images received:     102 (topic '/stereo/right/image_rect')</p><p class="MsoNormal">Disparity images received: 18 (topic '/stereo/disparity')</p>

<p class="MsoNormal">Synchronized triplets: 0</p><p class="MsoNormal">Possible issues:</p><p class="MsoNormal">               * stereo_image_proc is not running.</p><p class="MsoNormal">                 Does `rosnode info /stereo_view_1297946016943512050` show any connections?</p>

<p class="MsoNormal">               * The cameras are not synchronized.</p><p class="MsoNormal">                 Try restarting stereo_view with parameter _approximate_sync:=True</p><p class="MsoNormal">               * The network is too slow. One or more images are dropped from each triplet.</p>

<p class="MsoNormal">                 Try restarting stereo_view, increasing parameter 'queue_size' (currently 5)</p><p class="MsoNormal">[ WARN] [1297946077.740713539]: [stereo_view] Low number of synchronized left/right/disparity triplets received.</p>

<p class="MsoNormal">Left images received:      147 (topic '/stereo/left/image_rect')</p><p class="MsoNormal">Right images received:     155 (topic '/stereo/right/image_rect')</p><p class="MsoNormal">Disparity images received: 29 (topic '/stereo/disparity')</p>

<p class="MsoNormal">Synchronized triplets: 0</p><p class="MsoNormal">Possible issues:</p><p class="MsoNormal">               * stereo_image_proc is not running.</p><p class="MsoNormal">                 Does `rosnode info /stereo_view_1297946016943512050` show any connections?</p>

<p class="MsoNormal">               * The cameras are not synchronized.</p><p class="MsoNormal">                 Try restarting stereo_view with parameter _approximate_sync:=True</p><p class="MsoNormal">               * The network is too slow. One or more images are dropped from each triplet.</p>

<p class="MsoNormal">                 Try restarting stereo_view, increasing parameter 'queue_size' (currently 5)</p></div></div><br>_______________________________________________<br>
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<br></blockquote></div><br><br clear="all"><br>-- <br>Tully Foote<br>Systems Engineer<br>Willow Garage, Inc.<br><a href="mailto:tfoote@willowgarage.com">tfoote@willowgarage.com</a><br>(650) 475-2827<br>