Link Copied
This is what is in the Dockerfile I am using. I had adjusted the ARG entries to reflect the 2021.2 OpenVINO Release.
$ cat Dockerfile
FROM balenalib/rpi-raspbian:latest
ARG DOWNLOAD_LINK=https://download.01.org/opencv/2021/openvinotoolkit/2021.2/l_openvino_toolkit_runtime_raspbian_p_2021.2.185.tgz
ARG INSTALL_DIR=/opt/intel/openvino
ARG BIN_FILE=https://download.01.org/opencv/2021/openvinotoolkit/2021.2/open_model_zoo/models_bin/3/person-vehicle-bike-detection-crossroad-0078/FP16/person-vehicle-bike-detection-crossroad-0078.bin
ARG WEIGHTS_FILE=https://download.01.org/opencv/2021/openvinotoolkit/2021.2/open_model_zoo/models_bin/3/person-vehicle-bike-detection-crossroad-0078/FP16/person-vehicle-bike-detection-crossroad-0078.xml
ARG IMAGE_FILE=https://cdn.pixabay.com/photo/2018/07/06/00/33/person-3519503_960_720.jpg
RUN apt-get update && apt-get install -y --no-install-recommends \
apt-utils \
automake \
cmake \
cpio \
gcc \
g++ \
libatlas-base-dev \
libstdc++6 \
libtool \
libusb-1.0.0-dev \
lsb-release \
make \
python3-pip \
python3-numpy \
python3-scipy \
libgtk-3-0 \
pkg-config \
libavcodec-dev \
libavformat-dev \
libswscale-dev \
sudo \
udev \
unzip \
vim \
git \
wget && \
rm -rf /var/lib/apt/lists/*
RUN pip3 install --no-cache-dir setuptools && \
pip3 install --no-cache-dir jupyter
RUN mkdir -p $INSTALL_DIR && cd $INSTALL_DIR && \
wget -c $DOWNLOAD_LINK && \
tar xf l_openvino_toolkit_runtime_raspbian_p*.tgz --strip 1 -C $INSTALL_DIR
# add USB rules
RUN sudo usermod -a -G users "$(whoami)" && \
/bin/bash -c "source $INSTALL_DIR/bin/setupvars.sh && \
sh $INSTALL_DIR/install_dependencies/install_NCS_udev_rules.sh"
# build Object Detection sample
RUN echo "source /opt/intel/openvino/bin/setupvars.sh" >> ~/.bashrc && \
mkdir /root/Downloads && \
cd $INSTALL_DIR/deployment_tools/inference_engine/samples/c/ && \
/bin/bash -c "source $INSTALL_DIR/bin/setupvars.sh && \
./build_samples.sh && \
wget --no-check-certificate $BIN_FILE -O /root/Downloads/person-vehicle-bike-detection-crossroad-0078.bin && \
wget --no-check-certificate $WEIGHTS_FILE -O /root/Downloads/person-vehicle-bike-detection-crossroad-0078.xml && \
wget --no-check-certificate $IMAGE_FILE -O /root/Downloads/walk.jpg "
RUN echo "import cv2 as cv\n\
# Load the model.\n\
net = cv.dnn.readNet('person-vehicle-bike-detection-crossroad-0078.xml',\
'person-vehicle-bike-detection-crossroad-0078.bin')\n\
# Specify target device.\n\
net.setPreferableTarget(cv.dnn.DNN_TARGET_MYRIAD)\n\
# Read an image.\n\
frame = cv.imread('walk.jpg')\n\
if frame is None:\n\
raise Exception('Image not found!')\n\
# Prepare input blob and perform an inference.\n\
blob = cv.dnn.blobFromImage(frame, size=(1024, 1024), ddepth=cv.CV_8U)\n\
net.setInput(blob)\n\
out = net.forward()\n\
# Draw detected faces on the frame.\n\
for detection in out.reshape(-1, 7):\n\
confidence = float(detection[2])\n\
xmin = int(detection[3] * frame.shape[1])\n\
ymin = int(detection[4] * frame.shape[0])\n\
xmax = int(detection[5] * frame.shape[1])\n\
ymax = int(detection[6] * frame.shape[0])\n\
if confidence > 0.5:\n\
cv.rectangle(frame, (xmin, ymin), (xmax, ymax), color=(0, 255, 0))\n\
# Save the frame to an image file.\n\
cv.imwrite('out.png', frame)\n\
print('Detection results in out.png')" >> /root/Downloads/openvino_fd_myriad.py
This is the output of os-release from the Raspberry Pi 4 that is hosting the Docker instance.
$ cat /etc/os-release
PRETTY_NAME="Raspbian GNU/Linux 10 (buster)"
NAME="Raspbian GNU/Linux"
VERSION_ID="10"
VERSION="10 (buster)"
VERSION_CODENAME=buster
ID=raspbian
ID_LIKE=debian
HOME_URL="http://www.raspbian.org/"
SUPPORT_URL="http://www.raspbian.org/RaspbianForums"
BUG_REPORT_URL="http://www.raspbian.org/RaspbianBugs"
Output of 'os-release' from the Raspbian OS Docker Container running on a Raspberry Pi 4
root@raspberrypi:~/Downloads# cat /etc/os-release
PRETTY_NAME="Raspbian GNU/Linux 10 (buster)"
NAME="Raspbian GNU/Linux"
VERSION_ID="10"
VERSION="10 (buster)"
VERSION_CODENAME=buster
ID=raspbian
ID_LIKE=debian
HOME_URL="http://www.raspbian.org/"
SUPPORT_URL="http://www.raspbian.org/RaspbianForums"
BUG_REPORT_URL="http://www.raspbian.org/RaspbianBugs"
The 'openvino_fd_myriad.py' script seems to run fine within the Raspbian OS Docker container.
root@raspberrypi:~/Downloads# python3 openvino_fd_myriad.py
Detection results in out.png
This is the output of the 'out.png' running 'openvino_fd_myriad.py' in the Docker container.
