A lot of noises data on D435i depth image

• MartyG

  • August 28, 2020 05:45
  • Edited

  Hi Khindagonwin Ayw
  You should be able to improve the image a lot by applying a post-processing filter called a Hole-Filling Filter.  In the RealSense Viewer program, this can be enabled under the Post-Processing section of the Viewer's options side-panel under the Stereo Module category.

  More details about post-processing filters are in the link below.

  https://dev.intelrealsense.com/docs/post-processing-filters 

  If you are creating your own program then you may initially see a lower quality image than the Viewer provides.  This is because the Viewer has a range of post-processing filters enabled by default. In your own program though, there are no filters by default and you have to write them into your program and enable them.

  If you are programming your own application and wish to use post-processing filters, please let me know if you are using C++, C# or Python and I can direct you to filter programming details for the language that you are using.

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• Khindagonwin Ayw

  • August 28, 2020 08:03

  Thank you so much for your reply. I am using C++ for my own application. So please give me direction on it. Thank you.

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• MartyG

  • August 28, 2020 09:24

  There is a C++ script for adding Decimation and Spatial filters in the link below.  This can help with hole filling.

  https://dev.intelrealsense.com/docs/post-processing-filters#section-using-filters-in-application-code 

  There is also a C++ tutorial about post-processing filters here:

  https://github.com/IntelRealSense/librealsense/tree/master/examples/post-processing 

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