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Install pyzbar to image (#225)

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* Install pyzbar to image

I suggest installing pyzbar to RPi image for making barcodes scanning easier during different competitions.

* pyzbar: Add libzbar0 install

* pyzbar: Add simple tests

* pyzbar: Update docs
This commit is contained in:
Arthur Golubtsov
2020-04-09 04:16:05 +03:00
committed by GitHub
parent b043737e91
commit 2a62891d60
5 changed files with 9 additions and 14 deletions
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5
builder/image-software.sh
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@@ -95,6 +95,7 @@ libjpeg8 \
tcpdump \
ltrace \
libpoco-dev \
libzbar0 \
python-rosdep \
python-rosinstall-generator \
python-wstool \
@@ -157,6 +158,10 @@ echo_stamp "Installing ptvsd"
my_travis_retry pip install ptvsd
my_travis_retry pip3 install ptvsd
echo_stamp "Installing pyzbar"
my_travis_retry pip install pyzbar
my_travis_retry pip3 install pyzbar
echo_stamp "Add .vimrc"
cat << EOF > /home/pi/.vimrc
set mouse-=a

1
builder/test/tests.py
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@@ -26,5 +26,6 @@ from pymavlink import mavutil
import rpi_ws281x
import pigpio
from espeak import espeak
from pyzbar import pyzbar
print cv2.getBuildInformation()

1
builder/test/tests_py3.py
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@@ -3,5 +3,6 @@
# Make sure our Python 3 software is installed
import cv2
from pyzbar import pyzbar
print(cv2.getBuildInformation())

8
docs/en/camera.md
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@@ -94,13 +94,7 @@ The obtained images can be viewed using [web_video_server](web_video_server.md).
> **Hint** For high-speed recognition and positioning, it is better to use [ArUco markers](aruco.md).
To program actions of the copter upon detection of [QR codes](https://en.wikipedia.org/wiki/QR_code) you can use the [pyZBar](https://pypi.org/project/pyzbar/). It should be installed using pip:
```bash
sudo apt update
sudo apt install libzbar0
sudo pip install pyzbar
```
To program actions of the copter for the detection of [QR codes](https://en.wikipedia.org/wiki/QR_code) you can use the [pyZBar](https://pypi.org/project/pyzbar/). This lib is installed in the last image for Raspberry Pi.
QR codes recognition in Python:

8
docs/ru/camera.md
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@@ -98,13 +98,7 @@ image_pub.publish(bridge.cv2_to_imgmsg(cv_image, 'bgr8'))
> **Hint** Для высокоскоростного распознавания и позиционирования лучше использовать [ArUco-маркеры](aruco.md).
Для программирования различных действий коптера при детектировании нужных [QR-кодов](https://ru.wikipedia.org/wiki/QR-код) можно использовать библиотеку [pyZBar](https://pypi.org/project/pyzbar/). Ее нужно установить в помощью pip:
```bash
sudo apt update
sudo apt install libzbar0
sudo pip install pyzbar
```
Для программирования различных действий коптера при детектировании нужных [QR-кодов](https://ru.wikipedia.org/wiki/QR-код) можно использовать библиотеку [pyZBar](https://pypi.org/project/pyzbar/). Она уже установлена в последнем образе для Raspberry Pi.
Распознавание QR-кодов на Python: