The sample demonstrates how to use the new Infer Request API of Inference Engine in applications. Refer to Integrate the Inference Engine New Request API with Your Application for details. The sample demonstrates how to build and execute an inference request on example of object detection networks.
Due to properties of SSD networks, this sample works correctly only on a batch of the size 1. For a greater number of images in a batch, network reshape is required.
Upon the start-up, the sample application reads command line parameters and loads specified network and input images (or a folder with images) to the Inference Engine plugin.
Then, the sample creates an inference request object and executes inference on it.
When inference is done, the application outputs data to the standard output stream and creates an output image with bounding boxes drawn atop the initial image.
NOTE: By default, Inference Engine samples and demos expect input with BGR channels order. If you trained your model to work with RGB order, you need to manually rearrange the default channels order in the sample or demo application or reconvert your model using the Model Optimizer tool with
--reverse_input_channelsargument specified. For more information about the argument, refer to When to Reverse Input Channels section of Converting a Model Using General Conversion Parameters.
Running the application with the
-h option yields the following usage message:
The command yields the following usage message:
Running the application with the empty list of options yields the usage message given above and an error message.
NOTE: Before running the sample with a trained model, make sure the model is converted to the Inference Engine format (*.xml + *.bin) using the Model Optimizer tool.
The sample accepts models in ONNX format (.onnx) that do not require preprocessing.
You can do inference of an image using the person detection SSD model from the Open Model Zoo on CPU using the following command:
By default, the application outputs all inference results and draws bounding boxes for inference results with an over 50% confidence.