To enable SGIE mode, just as this sample deepstream_python_apps/apps/deepstream-test2/dstest2_sgie1_config.txt at master · NVIDIA-AI-IOT/deepstream_python_apps (github.com), the VehicleMake model works in SGIE mode. “process-mode=2” is set in the configuration file to enable “secondary GIE” mode. The other preprocess and postprocess parameters should be configured as the innstruction DeepStream SDK FAQ - Intelligent Video Analytics / DeepStream SDK - NVIDIA Developer Forums.
The deepstream_python_apps/apps/deepstream-test2 at master · NVIDIA-AI-IOT/deepstream_python_apps · GitHub is the sample for PGIE+SGIE use case.