Convert ONNX* Faster R-CNN Model to the Intermediate Representation

These instructions are applicable only to the Faster R-CNN model converted to the ONNX* file format from the facebookresearch/maskrcnn-benchmark model.

Note that the height and width specified with the input_shape command line parameter could be different. Refer to the documentation for more information about supported input image dimensions and required pre- and post-processing steps.