RetinaNet for DeepLearning Objection Detection project

I'm am new to deeplearning, I've had very little experience with neural networks, and I'm here to ask for help on how to get started(Particularly for my Research Project).

I am an undergrad(graduating in May) looking to carry out a truck load inspection project(its going to be a 3year post-graduate project). The idea is to scan trucks carrying material for metals using a vehicle X-ray scanning system and then use AI to map out the location of the metals. For …

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