Preprocess objects before SGIE inference

• DeepStream Version: 6.4

Hi,

I’d like to preprocess detected object in a SGIE.
I want to modify each objects detected by a PGIE (doing some transformation via CUDA or OpenCV or CV-CUDA), but I don’t want to modify the original frame.
I succeed to do it modifying the original frame, but I’d like to create the buffers for SGIE input layer without modifying the frame.
I’m using C++.
I’m investigating nvdspreprocess, but not sure it can do what I want.

Thanks

Yes, it can. You can refer to our source code demo:sources\apps\sample_apps\deepstream-preprocess-test.

Thanks @yuweiw, I did it with nvdspreprocess and it’s working fine.

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