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D455 @10fps available?

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Tsubota Kazuhiro

Hello,
I'm wondering D455's depth and color cam can work @10fps.
ROS wrapper seems  working  at 10fps settings. But sdk can't.
Are there any way to cope with this issue?

Thanks
 

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6 comments

Date Votes
  • MartyG
    • Edited

    Hi Tsubota Kazuhiro  If a particular FPS speed is not supported by the SDK then a way to achieve a custom FPS is to only use every "nth" frame.  For example, 10 FPS could be achieved by setting the FPS to 30 but only using every 3rd frame.  More information about this method can be found at the link below.

    https://github.com/IntelRealSense/librealsense/issues/3169

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  • Tsubota Kazuhiro

    Hi, MartyG Thank you for your quick response!
    I'll try as you suggested.
    Thanks.

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  • Tsubota Kazuhiro

    Hi, @MartyG again. I'm wondering ROS wrapper is providing sub-sample function like taking every 3rd frame of 30 fps. I'm grad you could suggest something about this.
    Thanks. 

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  • MartyG

    In ROS the frequency can be controlled with a rate, as described in the link below.

    https://roboticsbackend.com/ros-rate-roscpy-roscpp/

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  • Tsubota Kazuhiro

    Hi, @MartyG. ROS wrapper intelligently detects fps value needed to work sub-sample function, right?

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  • MartyG
    • Edited

    The RealSense ROS wrapper does not have an "every nth frame" function.  So if the wrapper is providing 10 FPS, it is probable that it was meant to be a higher speed such as 15 or 30 FPS but something is causing the FPS to lag.

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