Image Latency Issues #154
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Hello, my team is attempting to visualize data from the RGB camera on the /camera/image_raw topic. We are able to view the data in RVIZ and see data on our separate image viewing application but there is extreme latency in the image topic (~40 seconds). Both of these visualization applications have been tested separate from the simulation environment and do not have this latency. I also tried changing the QOS buffer size in the image client and RVIZ but this did not seem to effect the latency. Are we approaching this incorrectly? |
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Replies: 2 comments
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Some other users have seen this issue too. I think this is due to a (computer-dependent) bottleneck somewhere in the image sending, receiving, or ROS subscription. We will probably release a STU3-Sim update soon that would allow the user to reduce the image capture rate for RGB and Depth images to alleviate this. |
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The camera-fps reduction command changes are in on STU3-Sim repo, and also require this set of changes in SpaceTeamsROS: |
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The camera-fps reduction command changes are in on STU3-Sim repo, and also require this set of changes in SpaceTeamsROS: