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OpenCV for Raspberry Pi 3

A prebuilt binary debian package of OpenCV 4.0.1 for Raspberry Pi 3. It depends on Tesseract 4 and VC4CL by doe300.

How to Install

First, install rpi3-vc4cl binary packages which describes in https://github.com/thortex/rpi3-vc4cl/ .

Then, Install Leptonica, Tesseract OCR, and OpenCV debian packages by typing the following steps:

git clone https://github.com/thortex/rpi3-opencv.git
cd rpi3-opencv/release
./install_requires_related2leptonica.sh
./install_requires_related2tesseract.sh
./install_requires_related2opencv.sh
./install_tesseract.sh
./install_opencv.sh

BUild Options

Option Support
Build Type Release
Install Prefix /usr/local
Eigen ON
gstreamer ON
GTK ON
Jasper ON
JPEG ON
OpenEXR ON
PNG ON
TIFF ON
V4L ON
LIBV4L ON
VTK ON
LAPACK ON
LAPACKE ON
protobuf ON
1394 ON
ffmpeg ON
gphoto2 ON
Qt ON
TBB ON
WebP ON
unicap ON
cxx11 ON
NEON ON
VFPV3 ON
OpenMP ON
OpenCL ON
OpenGL OFF
OpenNI OFF
GDAL OFF
CUDA OFF
XINE OFF

Supported Hardwares

Board Support
3 Model B+ May Yes
3 Model B Yes
2 Model B v1.2 May Yes
2 Model B No
1 Model B+ No
1 Model B No
Model A No
Model A+ No
Zero No
Zero W No
Computer Module 1 No
Computer Module 3 May Yes
Computer Module 3 Lite May Yes

How to Build

sudo apt-get update
sudo apt-get upgrade -y 
./setup/019_checkinstall.sh
./setup/030_build_opencv.sh
./setup/031_install_opencv.sh
./setup/032_update_deps.sh

CXXFLAGS

Option Value
-mtune cortex-a53
-march armv8-a+crc
-mcpu cortex-a53
-mfpu crypto-neon-fp-armv8