The Depth image or infrared image is invalid

• MartyX Grover

  • July 17, 2022 16:39

  Hi Asd490695922  If you have created a custom waterproofed housing for your camera, please check that the viewpoint of the sensors is not obscured by any part of the housing.

   

  If the camera is behind a transparent window then the laser may be reflected back unless an anti-reflective coating is placed over both sides of the window, as described at the link below.

  https://github.com/IntelRealSense/librealsense/issues/2566#issuecomment-431852571

   

  Please check whether the camera's IR emitter is enabled, otherwise there may be insufficient illumination of the underwater scene.

   

  There is an extensive technical discussion for calibrating RealSense cameras for underwater use here:

  https://github.com/IntelRealSense/realsense-ros/issues/1723

   

  You may also find the FishSense underwater sensing project, which also uses D455, a helpful reference if you have not seen it already.

  http://e4e.ucsd.edu/fishsense

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• Asd490695922

  • July 17, 2022 17:08

  Thanks a lot, i'll try your advice

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