OpenCV 4.5.0

README.md

@@ -1,19 +1,17 @@
-# OpenCV 4.3.0 For Raspberry Pi 4 Python 2 and 3
+# OpenCV 4.5.0 For Raspberry Pi 3 and 4 Python 2 and 3
 
-Raspbian Buster 10 Pre built OpenCV 4.3.0 
+Raspbian Buster 10 Pre built OpenCV 4.5.0 
 Turned on compile flags TBB NEON VFPV3
 
 # Installation Step
 
-wget https://github.com/cyysky/OpenCV-Raspberry-Pi-4-Package-for-Python/raw/master/opencv_4.3.0-1_armhf.deb
+wget https://github.com/cyysky/OpenCV-Raspberry-Pi-4-Package-for-Python/raw/master/opencv_4.5.0-1_armhf.deb
 
-sudo dpkg -i opencv_4.3.0-1_armhf.deb       # This will install fail for dependency
+sudo dpkg -i opencv_4.5.0-1_armhf.deb       # This will install fail for dependency
 
 sudo apt-get -f install                     # Auto install dependency package
 
-sudo dpkg -i opencv_4.3.0-1_armhf.deb       # Now start install
-
-sudo apt-get install tesseract-ocr          # Optional : tesseract-ocr
+sudo dpkg -i opencv_4.5.0-1_armhf.deb       # Now start install
 
 #if have import issue https://github.com/EdjeElectronics/TensorFlow-Object-Detection-on-the-Raspberry-Pi/issues/67
 

StepForBuilding/4.5.0/compile.sh

@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+set -ex
+
+OPENCV_VERSION=4.5.0
+pushd ~/opencv/opencv-$OPENCV_VERSION
+mkdir -p build
+pushd build
+RPI_VERSION=$(awk '{print $3}' < /proc/device-tree/model)
+if [[ $RPI_VERSION -ge 4 ]]; then
+  NUM_JOBS=$(nproc)
+else
+  NUM_JOBS=1 # Earlier versions of the Pi don't have sufficient RAM to support compiling with multiple jobs.
+fi
+
+# -D ENABLE_PRECOMPILED_HEADERS=OFF
+# is a fix for https://github.com/opencv/opencv/issues/14868
+
+# -D OPENCV_EXTRA_EXE_LINKER_FLAGS=-latomic
+# is a fix for https://github.com/opencv/opencv/issues/15192
+
+cmake -D CMAKE_BUILD_TYPE=RELEASE \
+      -D CMAKE_INSTALL_PREFIX=/usr/local \
+      -D OPENCV_EXTRA_MODULES_PATH=../../opencv_contrib-$OPENCV_VERSION/modules \
+      -D OPENCV_ENABLE_NONFREE=ON \
+      -D BUILD_PERF_TESTS=OFF \
+      -D BUILD_TESTS=OFF \
+      -D BUILD_DOCS=ON \
+      -D BUILD_EXAMPLES=ON \
+      -D ENABLE_PRECOMPILED_HEADERS=OFF \
+      -D BUILD_TIFF=ON \
+      -D WITH_FFMPEG=ON \
+      -D WITH_TBB=ON \
+      -D BUILD_TBB=ON \
+      -D WITH_OPENMP=ON \
+      -D ENABLE_NEON=ON \
+      -D ENABLE_LTO=ON \
+      -D WITH_OPENCL=ON \
+      -D WITH_GSTREAMER=ON \
+      -D CPU_BASELINE=NEON \
+      -D ENABLE_VFPV3=ON \
+      -D WITH_OPENGL=ON \
+      -D WITH_V4L=ON \
+      -D WITH_LIBV4L=ON \
+      -D WITH_QT=ON \
+      -D OPENCV_EXTRA_EXE_LINKER_FLAGS=-latomic \
+      -D CMAKE_SHARED_LINKER_FLAGS=-latomic \
+      -D PYTHON3_EXECUTABLE=$(which python3) \
+      -D PYTHON_EXECUTABLE=$(which python2) \
+      ..
+#make -j "$NUM_JOBS"
+popd; popd

StepForBuilding/4.5.0/download.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+set -ex
+
+OPENCV_VERSION=4.5.0
+cd ~
+mkdir -p opencv && pushd opencv
+
+wget -O "opencv-${OPENCV_VERSION}.tar.gz" "https://github.com/opencv/opencv/archive/${OPENCV_VERSION}.tar.gz"
+wget -O "opencv_contrib-${OPENCV_VERSION}.tar.gz" "https://github.com/opencv/opencv_contrib/archive/${OPENCV_VERSION}.tar.gz"
+tar -xvf "opencv-${OPENCV_VERSION}.tar.gz"
+tar -xvf "opencv_contrib-${OPENCV_VERSION}.tar.gz"
+popd

StepForBuilding/4.5.0/stepfor4.5.0

@@ -0,0 +1,35 @@
+./download-opencv.sh
+
+sudo nano /etc/dphys-swapfile
+#set CONF_SWAPSIZE=100 to 512 with the Nano text editor
+sudo dphys-swapfile setup
+sudo /etc/init.d/dphys-swapfile stop
+sudo /etc/init.d/dphys-swapfile start
+
+
+# checkinstall to make debian package https://www.theimpossiblecode.com/blog/build-faster-opencv-raspberry-pi3/
+# checkinstall bug https://github.com/opencv/opencv/issues/8897
+git clone https://github.com/giuliomoro/checkinstall
+cd checkinstall
+sudo make install
+
+./build-opencv.sh
+
+make
+checkinstall --install=no --pkgname=opencv --pkgversion=4.5.0 --provides=opencv --nodoc --backup=no --exclude=$HOME --requires="devscripts,debhelper,cmake,libldap2-dev,libgtkmm-3.0-dev,libarchive-dev,libcurl4-openssl-dev,intltool,build-essential,cmake,pkg-config,libjpeg-dev,libtiff5-dev,libjasper-dev,libavcodec-dev,libavformat-dev,libswscale-dev,libv4l-dev,libxvidcore-dev,libx264-dev,libgtk2.0-dev,libgtk-3-dev,libatlas-base-dev,libblas-dev,libeigen2-dev,libeigen3-dev,liblapack-dev,gfortran,python2.7-dev,python3-dev,python-pip,python3-pip,python,python3,libgstreamer1.0-dev,libgstreamer-plugins-base1.0-dev,libavresample-dev,libavresample4-dbgsym,libavresample4,qt5-default,tesseract-ocr,libtesseract-dev,libleptonica-dev,libglu1-mesa-dev,freeglut3-dev,mesa-common-dev,liblapacke-dev,libopenblas-dev,libopenblas-base,libgoogle-glog-dev,protobuf-compiler,caffe-cpu"
+
+#Debian package
+sudo dpkg -i opencv_4.5.0-1_armhf.deb
+sudo apt-get -f install
+sudo dpkg -i opencv_4.5.0-1_armhf.deb
+
+# Python 3 Check
+python3
+import cv2
+
+# Python 2 Check
+python
+import cv2
+
+
+