1.
You can find the instruction to load custom model below:
Although this is for imagenet with C++, the procedure for detectnet-camera.py should be similar.
2.
DIGITs cannot install on the environment without desktop GPU.
Since it need NCCL support, which requires a desktop GPU.
To install pyTorch on Jetson, please follow this topic:
To install Caffe on Jetson, please follow this tutorial: