Thanks for reaching out.
For now there is no example/demo for instance-segmentation_security-0050,C++. Only python example is available for the instance segmentation. Here is the link you can refer on how to run instance segmentation for python :
For the C++ demo, we have an image segmentation demo validated. Here is the link for C++ image segmentation demo: https://github.com/openvinotoolkit/open_model_zoo/blob/master/demos/segmentation_demo/README.md
You also can check here for the model that available and validated by the developers :
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