Converting a frozen .pb graph file to NCS graph

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Converting a frozen .pb graph file to NCS graph

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I'm trying to convert a frozen graph generated using darkflow and YOLO v2 (not tiny) trained on the COCO dataset.

I tried running:

mvNCCompile -in input -on output mygraph.pb -s 12

but I am getting an error as below:

[Error 17] Toolkit Error: Internal Error: Could not build graph. Missing link: concat

Is there a way to convert this custom model to NCS graph?

I've also tried converting the YOLO .cfg and .weights to a caffe model but then, I am thrown with an error saying "Error: size mismatch"

If this is not possible, is there any other model trained on the COCO dataset that I can use? It'll be great if someone can share a prebuilt graph also.

Thanks

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