D455 not detected

• MartyX Grover

  • March 30, 2021 10:49

  Hi Cristian Vilar  A RealSense user in Germany had this cocreateinstance(clsid_sensormanager, null, clstcx error with the L515 camera model in December 2020, though that particular case (on a Surface Pro 3 computer) did not have a solution at the end of it as the user stopped responding.

  https://github.com/IntelRealSense/librealsense/issues/7952

  I note the phrase in your error message blockerat av en grupprinclip which roughly translates to English in Google Translate as blocked by a group principle.  This suggests that group permissions might be involved in the blocking.  On the L515 case linked to above, a RealSense team member saw similar information about a group permissions block when they translated the error information from German.

  https://github.com/IntelRealSense/librealsense/issues/7952#issuecomment-757500368

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• Cristian Vilar

  • April 12, 2021 09:55

  Hi,

  Camera is working using the apps Intel Realsense Viewer and  Depth Quality Tool. The problems was some windows privacy configuration parameters.

  Unfortunately, D455 camera is not working using Matlab.... I tried with the D435 and it works, but the D455 it doesn't.

  regards,

  Cristian

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• MartyX Grover

  • April 12, 2021 10:37
  • Edited

  Are you using the RealSense MATLAB wrapper for Windows 10 with your D455 or accessing the camera directly from MATLAB, please?

  https://github.com/IntelRealSense/librealsense/tree/master/wrappers/matlab

  The discussion in the link below has an example of D455 being used with the wrapper and MATLAB 2020b.

  https://github.com/IntelRealSense/librealsense/issues/8368

  Currently, MATLAB 2017b is recommended by the documentation for use with the wrapper.  Newer versions such as 2020a and 2020b have been used with the wrapper, but results may be unpredictable in regard to possible errors.

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• Cristian Vilar

  • April 12, 2021 16:01

  Hi,

  I updated the SDK and the camera firmware. Now I can use the camera with matlab 2019.b but with one issue:

  Command pipe.start(cfg) doesn't works:

  cfg = realsense.config();
  cfg.enable_stream(realsense.stream.depth,vidWidth,vidHeight,realsense.format.z16,fps); 
  cfg.enable_stream(realsense.stream.color,vidWidth,vidHeight,realsense.format.rgb8,fps);
  
  % Make Pipeline object to manage streaming
  pipe = realsense.pipeline();
  
  % Start streaming on an arbitrary camera with cfg settings
  profile = pipe.start(cfg); % <-- NOT WORKING IN D455  , ( BUT IT WORKS in D435)
  profile = pipe.start();    % <-- IT WORKS IN BOTH D455 & D435
  
  regards,
  Cristian

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• MartyX Grover

  • April 12, 2021 16:12
  • Edited

  Are you setting your FPS to the minimum of '6' with the cfg instruction, please?  If so, 6 FPS is supported on D435 but the D455 uses '5' for its minimum FPS and does not support '6'.

  The supported resoution / FPS modes for D455 are listed on page 65 of the current edition of the data sheet document for the 400 Series cameras.

  https://dev.intelrealsense.com/docs/intel-realsense-d400-series-product-family-datasheet

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• Cristian Vilar

  • April 12, 2021 17:32
  • Edited

  Hi,

  Yes, it was a wrong framerate value. i choose 5fps instead of 6fps an it works.

  regards,

  Cristian

   

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