Open CV Handheld Scanner

thingiverse

Handheld Scanner for face detection. Open cv face detection with Raspberry Pi. in 3 parts. Used Raspberry pi 3 B LCD 3.5, small speaker, 2 diodes, powerbank 20000Amh, usb cam. Raspberry pi lcd holder from: https://www.thingiverse.com/thing:1422963/files Install LCD $ sudo su $ cd Desktop/ $ sudo git clone https://github.com/goodtft/LCD-show $ cd LCD-show $ chmod +x LCD35-show $ ./LCD35-show $ sudo reboot install Espeak sudo apt-get install espeak sudo apt-get install espeak python-espeak from espeak import espeak espeak.synth("Text here") install Open CV $ sudo apt-get update $ sudo apt-get upgrade $ sudo apt-get install build-essential cmake git pkg-config $ sudo apt-get install libjpeg8-dev libtiff5 libjasper-dev libpng12-dev $ sudo apt-get install libavcodec-dev libavformat-dev libswscale-dev libv4l-dev $ sudo apt-get install libgtk2.0-dev $ sudo apt-get install libatlas-base-dev gfortran $ python3 --version $ wget https://bootstrap.pypa.io/get-pip.py $ sudo python3 get-pip.py $ sudo pip install numpy $ python3 >>>import numpy >>>exit() $ git clone https://github.com/opencv/opencv_contrib.git $ cd opencv_contrib /opencv_contrib$ git checkout 3.2.0 (Se efter den seneste stabile version på github først) /opencv_contrib$ cd ../ $ git clone https://github.com/opencv/opencv.git $ cd opencv /opencv$ git checkout 3.2.0 (Se efter den seneste stabile version på github først) /opencv$ mkdir build /opencv$ cd build /opencv/build$ cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D INSTALL_C_EXAMPLES=ON -D INSTALL_PYTHON_EXAMPLES=ON -D OPENCV_EXTRA_MODULES_PATH=~/opencv_contrib/modules -D BUILD_EXAMPLES=ON .. /opencv/build$ sudo nano /etc/dphys-swapfile (Set til CONF_SWAPSIZE=1024) /opencv/build$ sudo /etc/init.d/dphys-swapfile stop /opencv/build$ sudo /etc/init.d/dphys-swapfile start /opencv/build$ make -j4 /opencv/build$ sudo make install /opencv/build$ sudo ldconfig /opencv/build$ sudo nano /etc/dphys-swapfile (set til CONF_SWAPSIZE=100) /opencv/build$ sudo /etc/init.d/dphys-swapfile stop /opencv/build$ sudo /etc/init.d/dphys-swapfile start