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classifier GUI: Image classification using DNNs on the Intel Neural Compute Stick 2 (NCS/NCS2)

This directory contains a python3 example that shows how to classify images using deep neural networks on the Intel Neural Compute Stick 2 using a simple GUI. This sample can be used with GoogLeNet, SqueezeNet V1.0, and AlexNet. All models are sourced from the Open Model Zoo.

The provided Makefile does the following:

  1. Builds the IR files using the model files from Open Model Zoo.
  2. Copies the IR files from the model directory to the project base directory.
  3. Runs the sample.

Running the Example

To run the example code do the following :

  1. Open a terminal and change directory to the project base directory
  2. Type the following command in the terminal: make run

When the application runs normally and is able to connect to the NCS device, the output will be similar to this:

classifier_gui: Running the sample...
python3 classifier_gui.py

Starting application...
   - Plugin:       Myriad
   - IR File:      ../../caffe/GoogLeNet/googlenet-v1.xml
   - Input Shape:  [1, 3, 224, 224]
   - Output Shape: [1, 1000]
   - Labels File:  ../../data/ilsvrc12/synset_labels.txt
   - Mean File:    None
   - Image File:    ../../data/images/nps_mug.png

 **********  Results  ***********

 Prediction is 91.0% coffee mug

You should also see the image on which inference was performed.

Prerequisites

This program requires:

  • 1 NCS device
  • OpenVINO 2020.1 Toolkit
  • Scikit-image
  • PIL (Python Imaging library) with Image and Imagetk modules

Note: To install Scikit-image, use the following command: sudo apt-get install -y python3-pil.imagetk

Note: To install PIL with ImageTk, use the following command: pip3 install scikit-image --user

Note: To install scikit-image, you may need to upgrade your pip version to pip version => 9.0.1. You can try using the command pip3 install --upgrade pip==9.0.1 to upgrade to pip version 9.0.1.

Note: All development and testing has been done on Ubuntu 16.04 on an x86-64 machine.

*It may run with older versions but you may see some glitches such as the GUI Window not closing when you click the X in the title bar, and other key binding issues.

Makefile

Provided Makefile has various targets that help with the above mentioned tasks.

make run or make run_py

Runs the sample application.

make help

Shows available targets.

make all

Builds and/or gathers all the required files needed to run the application.

make data

Gathers all of the required data need to run the sample.

make deps

Builds all of the dependencies needed to run the sample.

make default_model

Compiles an IR file from a default model to be used when running the sample.

make install-reqs

Checks required packages that aren't installed as part of the OpenVINO installation. Note: python3-pil.imagetk and scikit-image will need to be installed to run this sample.

make uninstall-reqs

Uninstalls requirements that were installed by the sample program. This command will uninstall python3-pil.imagetk and scikit-image.

make clean

Removes all the temporary files that are created by the Makefile.