openvino-dev 2021.4.2

Openvino Tools

Intel® Distribution of OpenVINO™ Toolkit Developer Package

Copyright © 2018-2021 Intel Corporation

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Introduction

OpenVINO™ toolkit is a comprehensive toolkit for quickly developing applications and solutions that solve a variety of tasks including emulation of human vision, automatic speech recognition, natural language processing, recommendation systems, and many others. Based on latest generations of artificial neural networks, including Convolutional Neural Networks (CNNs), recurrent and attention-based networks, the toolkit extends computer vision and non-vision workloads across Intel® hardware, maximizing performance. It accelerates applications with high-performance, AI and deep learning inference deployed from edge to cloud.

The developer package includes the following components installed by default:

Component	Console Script	Description
Model Optimizer	mo	Model Optimizer imports, converts, and optimizes models that were trained in popular frameworks to a format usable by Intel tools, especially the Inference Engine.  Popular frameworks include Caffe*, TensorFlow*, MXNet*, and ONNX*.
Benchmark Tool	benchmark_app	Benchmark Application allows you to estimate deep learning inference performance on supported devices for synchronous and asynchronous modes.
Accuracy Checker and Annotation Converter	accuracy_check convert_annotation	Accuracy Checker is a deep learning accuracy validation tool that allows you to collect accuracy metrics against popular datasets. The main advantages of the tool are the flexibility of configuration and an impressive set of supported datasets, preprocessing, postprocessing, and metrics. Annotation Converter is a utility for offline conversion of datasets to the format suitable for metric evaluation used in Accuracy Checker.
Post-Training Optimization Tool	pot	Post-Training Optimization Tool allows you to optimize trained models with advanced capabilities, such as quantization and low-precision optimizations, without the need to retrain or fine-tune models. Optimizations are also available through the API.
Model Downloader and other Open Model Zoo tools	omz_downloader omz_converter omz_quantizer omz_info_dumper	Model Downloader is a tool for getting access to the collection of high-quality and extremely fast pre-trained deep learning public and intel-trained models. Use these free pre-trained models instead of training your own models to speed up the development and production deployment process. The principle of the tool is as follows: it downloads model files from online sources and, if necessary, patches them with Model Optimizer to make them more usable. A number of additional tools are also provided to automate the process of working with downloaded models: Model Converter is a tool for converting the models stored in a format other than the Intermediate Representation (IR) into that format using Model Optimizer. Model Quantizer is a tool for automatic quantization of full-precision IR models into low-precision versions using Post-Training Optimization Tool. Model Information Dumper is a helper utility for dumping information about the models in a stable machine-readable format.

NOTE: The developer package also installs the OpenVINO™ runtime package as a dependency.

The runtime package installs the following components:

Component	Description
Inference Engine	This is the engine that runs the deep learning model. It includes a set of libraries for an easy inference integration into your applications.

System Requirements

The complete list of supported hardware is available in the Release Notes.

The table below lists the supported operating systems and Python* versions required to run the installation.

Supported Operating System	Python* Version (64-bit)
Ubuntu* 18.04 long-term support (LTS), 64-bit	3.6, 3.7, 3.8
Ubuntu* 20.04 long-term support (LTS), 64-bit	3.6, 3.7, 3.8
Red Hat* Enterprise Linux* 8, 64-bit	3.6, 3.8
CentOS* 7, 64-bit	3.6, 3.7, 3.8
macOS* 10.15.x	3.6, 3.7, 3.8
Windows 10*, 64-bit	3.6, 3.7, 3.8

NOTE: This package can be installed on other versions of macOS, Linux and Windows, but only the specific versions above are fully validated.

Install the Developer Package

Step 1. Set Up Python Virtual Environment

To avoid dependency conflicts, use a virtual environment. Skip this step only if you do want to install all dependencies globally.

Create virtual environment:

On Linux and macOS:

# Depending on your OS, this step may require installing python3-venv
python3 -m venv openvino_env

On Windows:

python -m venv openvino_env

Step 2. Activate Virtual Environment

On Linux and macOS:

source openvino_env/bin/activate

On Windows:

openvino_env\Scripts\activate

Step 3. Set Up and Update PIP to the Highest Version

Run the command below:

python -m pip install --upgrade pip

Step 4. Install the Package

To install and configure the components of the development package for working with specific frameworks, use the pip install openvino-dev[extras] command, where extras is a list of extras from the table below:

DL Framework	Extra
Caffe*	caffe
Caffe2*	caffe2
Kaldi*	kaldi
MXNet*	mxnet
ONNX*	onnx
PyTorch*	pytorch
TensorFlow* 1.x	tensorflow
TensorFlow* 2.x	tensorflow2

For example, to install and configure the components for working with TensorFlow 2.x, MXNet and Caffe, use the following command:

pip install openvino-dev[tensorflow2,mxnet,caffe]

Step 5. Verify that the Package Is Installed

• To verify that the developer package is properly installed, run the command below (this may take a few seconds):

  mo -h
  

  You will see the help message for Model Optimizer if installation finished successfully.

• To verify that Inference Engine from the runtime package is available, run the command below:

  python -c "from openvino.inference_engine import IECore"
  

  If installation was successful, you will not see any error messages (no console output).

Troubleshooting

Error: Microsoft Visual C++ 14.0 is required. Get it with "Build Tools for Visual Studio"

On Windows* some dependencies may require compilation from source when installing. To resolve this issue, you need to install Build Tools for Visual Studio* 2019 and repeat package installation.

ImportError: libpython3.7m.so.1.0: cannot open shared object file: No such file or directory

To resolve missing external dependency on Ubuntu* 18.04, execute the following command:

sudo apt-get install libpython3.7

Additional Resources

• Intel® Distribution of OpenVINO™ toolkit
• OpenVINO™ toolkit online documentation
• OpenVINO™ Notebooks