bahan hardware:
raspi minimal ram 4 atau 8
jika menggunakan kamera (logitech seri c)
bahan metode:
-filter RGB to GRAY
-adaptivethreshold
-inverst binary 0 ke 1 dan 1 ke 0
-tesseract to string
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install opencv 3.4
sudo apt-get install raspberrypi-ui-mods
sudo apt-get -y install libatlas-base-dev libqtgui4 python3-pyqt5 libqt4-test libilmbase-dev libopenexr-dev libgstreamer1.0-dev
sudo apt-get -y install libopencv-dev
sudo apt-get -y install build-essential checkinstall cmake pkg-config yasm
sudo apt-get -y install libtiff4-dev libjpeg-dev libjasper-dev
sudo apt-get -y install libavcodec-dev libavformat-dev libswscale-dev libdc1394-22-dev libxine-dev libgstreamer0.10-dev libgstreamer-plugins-base0.10-dev libv4l-dev
sudo apt-get -y install libqt4-dev libgtk2.0-dev
sudo apt-get -y install libfaac-dev libmp3lame-dev libopencore-amrnb-dev libopencore-amrwb-dev libtheora-dev libvorbis-dev libxvidcore-dev
sudo apt-get -y install x264 v4l-utils ffmpeg
pip3 install opencv-python==3.4.6.27
install tesseract
sudo apt update
sudo apt install -y tesseract-ocr
pillow,numpy,dkk
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reff: https://ejurnal.stmik-budidarma.ac.id...