zf's profile - activity

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2018-07-31 03:37:41 -0500	received badge	● Famous Question (source)
2018-07-31 03:37:41 -0500	received badge	● Notable Question (source)
2017-11-26 17:05:19 -0500	received badge	● Famous Question (source)
2017-04-04 07:20:56 -0500	received badge	● Notable Question (source)
2017-02-23 07:28:30 -0500	received badge	● Popular Question (source)
2016-10-27 04:38:09 -0500	received badge	● Popular Question (source)
2016-10-20 12:12:12 -0500	commented question	calibration I want to use this calibration to track the marker. After I get the marker pose and try to print the marker on the image with the data from yaml file, the marker always shift.I want to check which part is wrong.
2016-10-20 10:56:23 -0500	asked a question	calibration Now I am using camera calibration package to calibrate my rgb camera. I found that I got different yaml file every time when I calibrate the same camera. How does this happen? Is there a method to check which yaml file is valid? Thank you!
2016-09-07 09:55:56 -0500	asked a question	AR tag tracked, but overlapping with Pointgrey camera I have a blackfly GigE camera and I want to use it to track a tag. Now the problem is I can detect the tag, but the tag frame is overlap with the camera frame. Does any body have any idea? Thank you!
2016-04-25 01:43:24 -0500	received badge	● Popular Question (source)
2016-04-22 09:19:59 -0500	asked a question	gazebo velocity control I am using the plugin to control my robot. I found that even though I set the velocity be 0.0, the joint is still moving slowly. Anybody else meet the same problem? How to fix it? Thank you!
2016-04-22 09:13:05 -0500	asked a question	gazebo car cannot move I write a plugin to control a car like robot. Now my problem is I can see the wheel is rotating, but the car still stay there, just like no friction. Does anybody know how to fix it?
2016-01-06 15:24:14 -0500	commented answer	terminate & launch other node from code I can't understand "/home/robot/scripts/control", is this the path where "control.cpp" locates or some other path?