Special Presentation Demo at Intel IoT Planet 2021 DeepLearning Day / インテル IoT プラネット 2021 DeepLearning Dayの特別講演の発表資料 https://www.intel.co.jp/content/www/jp/ja/now/iot-planet/deep-learning-day.html
APACHE-2.0 License
https://www.intel.co.jp/content/www/jp/ja/now/iot-planet/deep-learning-day.html
This is a demonstration of the steps to convert and infer HITNet, a stereo depth estimation model, using a custom build of OpenVINO. OpenVINOHITNet
In order to optimize the process as much as possible, the following processing flow is adopted.
TensorFlow pb
-> TensorFlow saved_model
-> TensorFlow Lite tflite
-> ONNX onnx
-> OpenVINO IR xml/bin
Download the official HITNet model published by Google Research here. The file to be downloaded is a Protocol Buffers format file. Google ResearchHITNetProtocol Buffers
$ git clone https://github.com/PINTO0309/20210228_intel_deeplearning_day_hitnet_demo
$ cd 20210228_intel_deeplearning_day_hitnet_demo
# [1, ?, ?, 2], Grayscale image x2
$ wget https://storage.googleapis.com/tensorflow-graphics/models/hitnet/default_models/eth3d.pb
or
# [1, ?, ?, 6], RGB image x2
$ wget https://storage.googleapis.com/tensorflow-graphics/models/hitnet/default_models/flyingthings_finalpass_xl.pb
or
# [1, ?, ?, 6], RGB image x2
$ wget https://storage.googleapis.com/tensorflow-graphics/models/hitnet/default_models/middlebury_d400.pb
Use Netron to check the structure of the model. In the case of eth3d, two grayscale images of one channel are used as input. The name of the input is input
.
Netron eth3d12 input
The name of the output is reference_output_disparity
.
reference_output_disparity
For non-eth3d, the input is two 3-channel RGB images. eth3d3RGB2 Back to top
Start a Docker container with all the latest versions of the various major frameworks such as OpenVINO, TensorFlow, PyTorch, ONNX, etc. Note that the Docker Image is quite large, 26GB, since all the huge frameworks such as CUDA and TensorRT are also installed. Also, in order to launch the demo with GUI from within the Docker container, many launch options are specified, such as xhost
, --gpus
, -v
, -e
, --net
, --privileged
, etc., but they do not need to be specified if you do not want to use the GUI. If you want to know what kind of framework is implemented in a Docker container, please click here.
OpenVINOTensorFlowPyTorchONNXDockerCUDATensorRTDocker Image26GBDockerGUI**xhost
**, --gpus
, -v
, -e
, --net
, --privileged
GUIDocker
$ xhost +local: && \
docker run --gpus all -it --rm \
-v `pwd`:/home/user/workdir \
-v /tmp/.X11-unix/:/tmp/.X11-unix:rw \
--net=host \
-e XDG_RUNTIME_DIR=$XDG_RUNTIME_DIR \
-e DISPLAY=$DISPLAY \
--privileged \
ghcr.io/pinto0309/openvino2tensorflow:latest
$ MODEL=eth3d
or
$ MODEL=flyingthings_finalpass_xl
or
$ MODEL=middlebury_d400
$ pb_to_saved_model \
--pb_file_path ${MODEL}.pb \
--inputs input:0 \
--outputs reference_output_disparity:0 \
--model_output_path ${MODEL}/saved_model
A sample without GUI is shown below. GUI
$ docker run -it --rm \
-v `pwd`:/home/user/workdir \
ghcr.io/pinto0309/openvino2tensorflow:latest
$ MODEL=eth3d
or
$ MODEL=flyingthings_finalpass_xl
or
$ MODEL=middlebury_d400
$ pb_to_saved_model \
--pb_file_path ${MODEL}.pb \
--inputs input:0 \
--outputs reference_output_disparity:0 \
--model_output_path ${MODEL}/saved_model
Let's check the shape of the generated saved_model
, using the standard TensorFlow tool saved_model_cli
.Of the input NHWC shape batch,height,width,channel
, the height and width are undefined -1
.
saved_model
TensorFlow saved_model_cli
NHWC ,,,
-1
$ saved_model_cli show --dir middlebury_d400/saved_model/ --all
MetaGraphDef with tag-set: 'serve' contains the following SignatureDefs:
signature_def['serving_default']:
The given SavedModel SignatureDef contains the following input(s):
inputs['input'] tensor_info:
dtype: DT_FLOAT
shape: (-1, -1, -1, 6)
name: input:0
The given SavedModel SignatureDef contains the following output(s):
outputs['reference_output_disparity'] tensor_info:
dtype: DT_FLOAT
shape: (-1, -1, -1, -1)
name: reference_output_disparity:0
Method name is: tensorflow/serving/predict
The tool saved_model_to_tflite
introduced in the Dokcer container is used to generate tflite
from saved_model
. The tool tensorflow-onnx
can be used to generate onnx
from saved_model
immediately, but I will convert it once to tflite
to make it as optimized as possible. The --input_shapes
option can be used to fix undefined input shapes to a specified size.
Dokcer saved_model_to_tflite
saved_model
tflite
tensorflow-onnx
saved_model
onnx
tflite
--input_shapes
$ H=480
$ W=640
$ saved_model_to_tflite \
--saved_model_dir_path ${MODEL}/saved_model \
--input_shapes [1,${H},${W},6] \
--model_output_dir_path ${MODEL}/saved_model_${H}x${W} \
--output_no_quant_float32_tflite
Check the input and output structure of the generated TFLite. At this point, TensorFlowLite's optimizer has already removed a large number of unnecessary operations or merged multiple operations into a clean and simple structure.
TFLiteTensorFlowLite
Next, convert tflite
to onnx
. I will use tensorflow-onnx
here. --inputs-as-nchw input
is an option to convert the shape of the input from NHWC
to NCHW
. Note that the onnx opset to be generated must be 12
.
tflite
onnx
tensorflow-onnx
--inputs-as-nchw input
NHWC
NCHW
onnxopset 12
$ python -m tf2onnx.convert \
--opset 12 \
--inputs-as-nchw input \
--tflite ${MODEL}/saved_model_${H}x${W}/model_float32.tflite \
--output ${MODEL}/saved_model_${H}x${W}/model_float32.onnx
Redundant onnx files are generated with insufficient optimization and undefined input/output information for each operation.
onnx
Uses onnx-simplifier
to further optimize onnx files.
onnx-simplifier
onnx
$ python -m onnxsim \
${MODEL}/saved_model_${H}x${W}/model_float32.onnx \
${MODEL}/saved_model_${H}x${W}/model_float32.onnx
The file size will increase, but the structure of the model will be optimized and inference performance will not be affected.
Since there are some issues with the current latest version of the OpenVINO model optimizer, we will build OpenVINO itself from the source code of the commits that have already resolved the issues. OpenVINOOpenVINOIntel
$ git clone https://github.com/openvinotoolkit/openvino \
&& cd openvino \
&& git checkout e89db1c6de8eb551949330114d476a2a4be499ed \
&& git submodule update --init --recursive \
&& pip install pip --upgrade \
&& pip install Cython numpy setuptools wheel pafy youtube-dl \
&& chmod +x scripts/submodule_update_with_gitee.sh \
&& ./scripts/submodule_update_with_gitee.sh \
&& chmod +x install_build_dependencies.sh \
&& ./install_build_dependencies.sh \
&& mkdir build \
&& cd build \
&& cmake \
-DCMAKE_BUILD_TYPE=Release \
-DENABLE_PYTHON=ON \
-DPYTHON_EXECUTABLE=`which python3` \
-DPYTHON_LIBRARY=/usr/lib/x86_64-linux-gnu/libpython3.8.so \
-DPYTHON_INCLUDE_DIR=/usr/include/python3.8 \
-DENABLE_CLDNN=ON \
-DENABLE_WHEEL=ON .. \
&& make -j$(nproc)
Build finished.
Check the generated Wheel files; two Wheel files have been generated. WheelWheel
$ ls -l wheels/*
-rw-r--r-- 1 user user 30777895 Feb 11 11:17 wheels/openvino-2022.1.0-000-cp38-cp38-manylinux_2_31_x86_64.whl
-rw-r--r-- 1 user user 6419721 Feb 11 11:06 wheels/openvino_dev-2022.1.0-000-py3-none-any.whl
Overwrite the OpenVINO installation. OpenVINO
$ sudo ${INTEL_OPENVINO_DIR}/openvino_toolkit_uninstaller/uninstall.sh --silent \
&& sudo pip install wheels/* && cd ../.. && rm -rf openvino
Convert ONNX files to OpenVINO IR. ONNXOpenVINO IR
$ sudo python /usr/local/lib/python3.8/dist-packages/openvino/tools/mo/mo.py \
--input_model ${MODEL}/saved_model_${H}x${W}/model_float32.onnx \
--data_type FP32 \
--output_dir ${MODEL}/saved_model_${H}x${W}/openvino/FP32 \
--model_name ${MODEL}_${H}x${W} \
&& sudo chown -R user ${MODEL}
/usr/local/lib/python3.8/dist-packages/pkg_resources/__init__.py:122: PkgResourcesDeprecationWarning: 0.1.9-nvc is an invalid version and will not be supported in a future release
warnings.warn(
/usr/local/lib/python3.8/dist-packages/pkg_resources/__init__.py:122: PkgResourcesDeprecationWarning: 0.1.9-nvc is an invalid version and will not be supported in a future release
warnings.warn(
Model Optimizer arguments:
Common parameters:
- Path to the Input Model: /home/user/workdir/middlebury_d400/saved_model_480x640/model_float32.onnx
- Path for generated IR: /home/user/workdir/middlebury_d400/saved_model_480x640/openvino/FP32
- IR output name: middlebury_d400_480x640
- Log level: ERROR
- Batch: Not specified, inherited from the model
- Input layers: Not specified, inherited from the model
- Output layers: Not specified, inherited from the model
- Input shapes: Not specified, inherited from the model
- Source layout: Not specified
- Target layout: Not specified
- Layout: Not specified
- Mean values: Not specified
- Scale values: Not specified
- Scale factor: Not specified
- Precision of IR: FP32
- Enable fusing: True
- Enable grouped convolutions fusing: True
- Move mean values to preprocess section: None
- Reverse input channels: False
- Use legacy API for model processing: False
- Use the transformations config file: None
ONNX specific parameters:
/usr/local/lib/python3.8/dist-packages/pkg_resources/__init__.py:122: PkgResourcesDeprecationWarning: 0.1.9-nvc is an invalid version and will not be supported in a future release
warnings.warn(
- OpenVINO runtime found in: /usr/local/lib/python3.8/dist-packages/openvino
OpenVINO runtime version: 2022.1.custom_HEAD_e89db1c6de8eb551949330114d476a2a4be499ed
Model Optimizer version: custom_HEAD_e89db1c6de8eb551949330114d476a2a4be499ed
[ WARNING ] Model Optimizer and OpenVINO runtime versions do no match.
[ WARNING ] Consider building the OpenVINO Python API from sources or reinstall OpenVINO (TM) toolkit using "pip install openvino" (may be incompatible with the current Model Optimizer version)
[ WARNING ]
Detected not satisfied dependencies:
numpy: installed: 1.22.2, required: < 1.20
fastjsonschema: not installed, required: ~= 2.15.1
Please install required versions of components or use install_prerequisites script
/usr/local/lib/python3.8/dist-packages/openvino/tools/mo/install_prerequisites/install_prerequisites_onnx.sh
Note that install_prerequisites scripts may install additional components.
/usr/local/lib/python3.8/dist-packages/pkg_resources/__init__.py:122: PkgResourcesDeprecationWarning: 0.1.9-nvc is an invalid version and will not be supported in a future release
warnings.warn(
[ SUCCESS ] Generated IR version 11 model.
[ SUCCESS ] XML file: /home/user/workdir/middlebury_d400/saved_model_480x640/openvino/FP32/middlebury_d400_480x640.xml
[ SUCCESS ] BIN file: /home/user/workdir/middlebury_d400/saved_model_480x640/openvino/FP32/middlebury_d400_480x640.bin
[ SUCCESS ] Total execution time: 50.17 seconds.
[ SUCCESS ] Memory consumed: 410 MB.
Download a stereo driving dataset for testing. It is hard to see, but it is a dataset of pairs of images taken from each of the two left and right cameras.
Left | Right |
---|---|
$ mkdir -p "DrivingStereo images/left" \
&& mkdir -p "DrivingStereo images/right" \
&& mkdir -p "DrivingStereo images/depth" \
&& wget https://github.com/PINTO0309/20210228_intel_deeplearning_day_hitnet_demo/releases/download/v1.0/2018-07-11-14-48-52_left.zip \
&& unzip -d "DrivingStereo images/left" -q 2018-07-11-14-48-52_left.zip \
&& rm 2018-07-11-14-48-52_left.zip \
&& wget https://github.com/PINTO0309/20210228_intel_deeplearning_day_hitnet_demo/releases/download/v1.0/2018-07-11-14-48-52_right.zip \
&& unzip -d "DrivingStereo images/right" -q 2018-07-11-14-48-52_right.zip \
&& rm 2018-07-11-14-48-52_right.zip \
&& wget https://github.com/PINTO0309/20210228_intel_deeplearning_day_hitnet_demo/releases/download/v1.0/2018-07-11-14-48-52_depth.zip \
&& unzip -d "DrivingStereo images/depth" -q 2018-07-11-14-48-52_depth.zip \
&& rm 2018-07-11-14-48-52_depth.zip \
&& wget https://github.com/PINTO0309/20210228_intel_deeplearning_day_hitnet_demo/releases/download/v1.0/stereo_movie.mp4
I'll borrow ibaiGorordo's ONNX demo to run it. Adjust the program slightly so that ONNX's CUDA provider is enabled. ibaiGorordoONNXONNXCUDA
$ rm -rf ONNX-HITNET-Stereo-Depth-estimation \
&& git clone https://github.com/ibaiGorordo/ONNX-HITNET-Stereo-Depth-estimation.git \
&& cd ONNX-HITNET-Stereo-Depth-estimation \
&& git checkout 20471bfe2a23c34681141a9c0401eeff45680330 \
&& cd .. \
&& sed -i 's/models\///g' ONNX-HITNET-Stereo-Depth-estimation/drivingStereoTest.py \
&& sed -i 's/cv2.WINDOW_NORMAL/cv2.WINDOW_AUTOSIZE/g' ONNX-HITNET-Stereo-Depth-estimation/drivingStereoTest.py \
&& sed -i 's/max_distance = 30/max_distance = 80/g' ONNX-HITNET-Stereo-Depth-estimation/drivingStereoTest.py \
&& sed -i 's/np.hstack((left_img,color_real_depth, color_depth))/np.hstack((left_img, color_depth))/g' ONNX-HITNET-Stereo-Depth-estimation/drivingStereoTest.py \
&& sed -i '31i \\t\tsession_option = onnxruntime.SessionOptions()' ONNX-HITNET-Stereo-Depth-estimation/hitnet/hitnet.py \
&& sed -i '32i \\t\tmodel_file_name = model_path.split(".")[0]' ONNX-HITNET-Stereo-Depth-estimation/hitnet/hitnet.py \
&& sed -i '33i \\t\tsession_option.optimized_model_filepath = f"{model_file_name}_cudaopt.onnx"' ONNX-HITNET-Stereo-Depth-estimation/hitnet/hitnet.py \
&& sed -i '34i \\t\tsession_option.graph_optimization_level = onnxruntime.GraphOptimizationLevel.ORT_ENABLE_EXTENDED' ONNX-HITNET-Stereo-Depth-estimation/hitnet/hitnet.py \
&& sed -i "s/onnxruntime.InferenceSession(model_path/onnxruntime.InferenceSession(model_path, session_option, providers=[\'CUDAExecutionProvider\']/g" ONNX-HITNET-Stereo-Depth-estimation/hitnet/hitnet.py
$ python ONNX-HITNET-Stereo-Depth-estimation/drivingStereoTest.py
$ rm -rf ONNX-HITNET-Stereo-Depth-estimation \
&& git clone https://github.com/ibaiGorordo/ONNX-HITNET-Stereo-Depth-estimation.git \
&& cd ONNX-HITNET-Stereo-Depth-estimation \
&& git checkout 20471bfe2a23c34681141a9c0401eeff45680330 \
&& cd .. \
&& sed -i 's/models\///g' ONNX-HITNET-Stereo-Depth-estimation/drivingStereoTest.py \
&& sed -i 's/cv2.WINDOW_NORMAL/cv2.WINDOW_AUTOSIZE/g' ONNX-HITNET-Stereo-Depth-estimation/drivingStereoTest.py \
&& sed -i 's/max_distance = 30/max_distance = 80/g' ONNX-HITNET-Stereo-Depth-estimation/drivingStereoTest.py \
&& sed -i 's/np.hstack((left_img,color_real_depth, color_depth))/np.hstack((left_img, color_depth))/g' ONNX-HITNET-Stereo-Depth-estimation/drivingStereoTest.py \
&& sed -i "s/onnxruntime.InferenceSession(model_path/onnxruntime.InferenceSession(model_path, providers=[\'TensorrtExecutionProvider', 'CUDAExecutionProvider']/g" ONNX-HITNET-Stereo-Depth-estimation/hitnet/hitnet.py
Run a test inference program customized for OpenVINO: CPU inference. OpenVINOCPU
$ python drivingStereoTest_openvino.py
I will be borrowing iwatake's TensorRT demo to run the test. Follow the tutorial in this repository to set up and run the environment. iwatakeTensorRT https://github.com/iwatake2222/play_with_tensorrt/tree/master/pj_tensorrt_depth_stereo_hitnet
$ ./main stereo_movie.mp4
Thanks!!!
Intel Team:
https://github.com/openvinotoolkit/openvino
Apache License
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A Large-Scale Dataset for Stereo Matching in Autonomous Driving Scenarios:
https://drivingstereo-dataset.github.io/
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Copyright (c) 2019 drivingstereo-dataset
Permission is hereby granted, free of charge, to any person obtaining a copy
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@inproceedings{yang2019drivingstereo,
title={DrivingStereo: A Large-Scale Dataset for Stereo Matching in Autonomous Driving Scenarios},
author={Yang, Guorun and Song, Xiao and Huang, Chaoqin and Deng, Zhidong and Shi, Jianping and Zhou, Bolei},
booktitle={IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
year={2019}
}