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2017-03-01 22:08:19 -0500 | commented answer | How to set the parameter to let message_filters enter callback function Yes,I have done it with three topics before. It works fine. |
2017-03-01 21:25:30 -0500 | commented answer | How to set the parameter to let message_filters enter callback function You can check it on my github |
2017-03-01 21:24:34 -0500 | commented answer | How to set the parameter to let message_filters enter callback function If the rate of all the topics is similar then the parameter values is not very important. The reason I fail to sync the data is I use the message filter in a wrong way. It works fine now after I change the code. |
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2016-07-20 07:27:38 -0500 | asked a question | How to set the parameter to let message_filters enter callback function I want to use message_filters to get the image and imu message at the same time,but it's works sometimes because of different imu message frequency, I want to know how to set ApproximatePolicy param,here shows the code it works fine with this param when the frequency of image is 20Hz, and frequency of IMU is 100Hz, but when the frequency of IMU change to 60Hz,it did't work ,even I change the subscribe queue size and approximate time ,it is still didn't work and can't enter the callback function, so I want to know how to set this param correctly.Thanks! |
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2016-05-16 02:00:52 -0500 | commented answer | Can I use robot_localization package with only imu data? If I could,how to config the package? Thanks for your answer Tom, I'm think about fuse visual odometry, hope I can get good result. |
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2016-04-25 03:51:22 -0500 | asked a question | Can I use robot_localization package with only imu data? If I could,how to config the package? I want to fuse IMU and GPS data with robot_localization package used in an autonomous car, but there will have some time that I can't obtain the GPS data and IMU is the only source I can get to calculate position. I have a high precise IMU,but the error is huge when I use robot_localization without gps, so my question is can I use robot_localization package with only imu data.If I could,how to config the package correctly? Here is my launch file: |
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2016-04-21 09:10:06 -0500 | commented question | ekf_localization with gps and imu Yeah,it helped me, thanks so much |
2016-04-21 01:55:13 -0500 | commented question | ekf_localization with gps and imu Can you send me the link for the plug-in. Thanks |