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Jens Nirme

I have a d455 and want to use the "realsense viewer" application to capture a single person speaking, with a particular interest in capturing facial movements.

I have a laptop: Asus ZenBook Pro Duo
With port: Thunderbolt 3 USB-C (up to 40Gbps and DisplayPort)

How do I get the optimal quality (preferably 60 fps and max resolution) for capturing a matched depthmap and RGB-video?

  • How to connect to laptop... original cable + USB-C adapter or a third-party USB-C to USB-C cable?
  • What settings in the program?
  • What quality can I expect?
  • Is there any performance gain in writing ones own software for capture on top of the SDK, or using another available option?

Any help or clues to either of these questions would be much appreciated!

 

Thank you

Jens

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  • MartyX Grover
    • Edited

    Hi Jens Nirme I would recommend using the original cable supplied with the camera if you are satisfied with a 1 meter cable length.  For longer cable lengths, cable quality is very important to avoid performance reduction or camera disconnections.  Intel's official data sheet document for the 400 Series cameras recommends Newnex as a supplier of USB cables for the 400 Series.  Newnex can provide industrial-grade USB equipment.

    https://www.newnex.com/realsense-3d-camera-connectivity.php 

    The RealSense Viewer has a built-in face detector that can place a boundary box around a detected head, but it does not have built-in face landmark detection and analysis. 

    If you are able to develop your own application, the RealSense SDK's rs-face-dlib example program may be useful to study..

    https://github.com/IntelRealSense/librealsense/tree/master/wrappers/dlib/face  

    The RealSense SDK also provides the ability for self-written applications to hardware-accelerate the processing of depth-to-color alignment by using an Nvidia graphics device such as an NVidia GPU / video card to provide CUDA support, or by applying a GLSL function in the SDK that is vendor-neutral (can use any graphics GPU).

    For advanced face analysis and emotion estimation though, the RealSense-compatible commercial software Nuitrack SDK may meet your needs and also save a lot of development time and labor.

     

    Nuitrack SDK

    https://nuitrack.com/ 

    Nuitrack SDK face tracking and analysis

    https://www.youtube.com/watch?v=HOm0-7qL5hk 

    https://download.3divi.com/Nuitrack/doc/UnityFaceTracking_page.html 

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