- Keep your system up to date:
$ sudo apt-get update
$ sudo apt-get upgrade
$ sudo reboot
- Make sure you've got an internet connection.
- Make sure you've got
- wget
- unzip
Run the script install-opencv.sh
#!/usr/bin/env bash | |
OPENCV_VERSION="3.1.0" | |
OPENCV_URL="https://github.com/Itseez/opencv/archive/${OPENCV_VERSION}.zip" | |
OPENCV_PACKAGE_NAME="opencv-${OPENCV_VERSION}" | |
OPENCV_CONTRIB_URL="https://github.com/Itseez/opencv_contrib/archive/${OPENCV_VERSION}.zip" | |
OPENCV_CONTRIB_PACKAGE_NAME="opencv_contrib-${OPENCV_VERSION}" | |
PREFIX="${PREFIX:-/usr/local}" | |
MAKEFLAGS="${MAKEFLAGS:--j 4}" | |
install_build_dependencies() { | |
local build_packages="build-essential git cmake pkg-config" | |
local image_io_packages="libjpeg-dev libtiff5-dev libjasper-dev \ | |
libpng12-dev" | |
local video_io_packages="libavcodec-dev libavformat-dev \ | |
libswscale-dev libv4l-dev \ | |
libxvidcore-dev libx264-dev" | |
local gtk_packages="libgtk2.0-dev" | |
local matrix_packages="libatlas-base-dev gfortran" | |
local python_dev_packages="python2.7-dev python3-dev python-pip python3-pip" | |
sudo apt-get install -y $build_packages $image_io_packages $gtk_packages \ | |
$video_io_packages $matrix_packages $python_dev_packages | |
} | |
install_global_python_dependencies() { | |
sudo pip install virtualenv virtualenvwrapper | |
} | |
install_local_python_dependences() { | |
pip install numpy | |
} | |
download_packages() { | |
wget -c -O "${OPENCV_PACKAGE_NAME}.zip" "$OPENCV_URL" | |
wget -c -O "${OPENCV_CONTRIB_PACKAGE_NAME}.zip" "$OPENCV_CONTRIB_URL" | |
} | |
unpack_packages() { | |
# unzip args: | |
# -q = quiet | |
# -n = never overwrite existing files | |
unzip -q -n "${OPENCV_PACKAGE_NAME}.zip" | |
unzip -q -n "${OPENCV_CONTRIB_PACKAGE_NAME}.zip" | |
} | |
setup_virtualenv() { | |
export WORKON_HOME="$HOME/.virtualenvs" | |
source /usr/local/bin/virtualenvwrapper.sh | |
mkvirtualenv -p python3 cv | |
workon cv | |
install_local_python_dependences | |
} | |
build() { | |
cmake -D CMAKE_BUILD_TYPE=RELEASE \ | |
-D CMAKE_INSTALL_PREFIX="$PREFIX" \ | |
-D INSTALL_C_EXMAPLES=ON \ | |
-D INSTALL_PYTHON_EXAMPLES=ON \ | |
-D OPENCV_EXTRA_MODULES_PATH="$HOME/$OPENCV_CONTRIB_PACKAGE_NAME/modules" \ | |
-D BUILD_EXAMPLES=ON \ | |
.. | |
make ${MAKEFLAGS} | |
} | |
install() { | |
sudo make install | |
sudo ldconfig | |
} | |
log() { | |
local msg="$1"; shift | |
local _color_bold_yellow='\e[1;33m' | |
local _color_reset='\e[0m' | |
echo -e "\[${_color_bold_yellow}\]${msg}\[${_color_reset}\]" | |
} | |
main() { | |
log "Installing build dependencies..." | |
install_build_dependencies | |
log "Downloading OpenCV packages..." | |
download_packages | |
log "Unpacking OpenCV packages..." | |
unpack_packages | |
log "Installing global python deps..." | |
install_global_python_dependencies | |
log "Setting up local python environment..." | |
setup_virtualenv | |
log "Building OpenCV..." | |
cd "$OPENCV_PACKAGE_NAME" | |
mkdir build | |
cd build | |
build | |
echo "Installing OpenCV..." | |
install | |
} | |
main |
Hi, the https://github.com/Itseez/
organization seems to be outdated, I get "301 Moved Permanently". You might want to use https://github.com/opencv/
instead. hth Frank
Urr...
How do I get into the environment where CV is loaded ? (noob here.)
'workon cv' din't work...
import cv2
ImportError: No module named 'cv2'
Configuring incomplete, errors occurred!
See also "/home/ubuntu/Documentos/WINDOWS10/opencv-3.0.0/build/CMakeFiles/CMakeOutput.log".
See also "/home/ubuntu/Documentos/WINDOWS10/opencv-3.0.0/build/CMakeFiles/CMakeError.log".
alguien que me pueda ayudar con este problema en ubuntu
Urr...
How do I get into the environment where CV is loaded ?
'workon cv' din't work...
import cv2
ImportError: No module named 'cv2'
pls help us!!!! its urgent
i try install opencv 3 based on steps provided in pyimagesearch.com
but i get error as stated above
I get this error
[ 49%] Built target opencv_imgcodecs
[ 49%] Linking CXX shared library ../../lib/libopencv_videoio.so
/usr/bin/ld: /usr/local/lib/libx264.a(common.o): relocation R_ARM_MOVW_ABS_NC against `a local symbol' can not be used when making a shared object; recompile with -fPIC
/usr/local/lib/libx264.a: error adding symbols: Bad value
collect2: error: ld returned 1 exit status
modules/videoio/CMakeFiles/opencv_videoio.dir/build.make:254: recipe for target 'lib/libopencv_videoio.so.3.2.0' failed
make[2]: *** [lib/libopencv_videoio.so.3.2.0] Error 1
CMakeFiles/Makefile2:5596: recipe for target 'modules/videoio/CMakeFiles/opencv_videoio.dir/all' failed
make[1]: *** [modules/videoio/CMakeFiles/opencv_videoio.dir/all] Error 2
Makefile:160: recipe for target 'all' failed
make: *** [all] Error 2
Installing OpenCV...
[ 3%] Built target libwebp
[ 8%] Built target IlmImf
[ 11%] Built target carotene_objs
[ 12%] Built target tegra_hal
[ 12%] Built target opencv_core_pch_dephelp
[ 13%] Built target pch_Generate_opencv_core
[ 16%] Built target opencv_core
[ 17%] Built target opencv_ts_pch_dephelp
[ 17%] Built target pch_Generate_opencv_ts
[ 17%] Built target opencv_imgproc_pch_dephelp
[ 17%] Built target pch_Generate_opencv_imgproc
[ 21%] Built target opencv_imgproc
[ 21%] Built target opencv_imgcodecs_pch_dephelp
[ 21%] Built target pch_Generate_opencv_imgcodecs
[ 22%] Built target opencv_imgcodecs
[ 22%] Built target opencv_videoio_pch_dephelp
[ 22%] Built target pch_Generate_opencv_videoio
[ 22%] Linking CXX shared library ../../lib/libopencv_videoio.so
/usr/bin/ld: /usr/local/lib/libx264.a(common.o): relocation R_ARM_MOVW_ABS_NC against `a local symbol' can not be used when making a shared object; recompile with -fPIC
/usr/local/lib/libx264.a: error adding symbols: Bad value
collect2: error: ld returned 1 exit status
modules/videoio/CMakeFiles/opencv_videoio.dir/build.make:254: recipe for target 'lib/libopencv_videoio.so.3.2.0' failed
make[2]: *** [lib/libopencv_videoio.so.3.2.0] Error 1
CMakeFiles/Makefile2:5596: recipe for target 'modules/videoio/CMakeFiles/opencv_videoio.dir/all' failed
make[1]: *** [modules/videoio/CMakeFiles/opencv_videoio.dir/all] Error 2
Makefile:160: recipe for target 'all' failed
make: *** [all] Error 2
Guys - If you got stuck here - follow these steps: https://imaginghub.com/projects/144-installing-opencv-3-on-raspberry-pi-3/documentation
Pay careful attention to this path: OPENCV_EXTRA_MODULES_PATH=~/opencv_contrib-3.1.0/modules
Make sure it points to where yours is.
Best,
Darshi
Nice script. It installed opencv for me without any error. Thanks
fresh pi3, fresh jessie ... no go...
Configuring incomplete, errors occurred!
See also "/home/pi/Downloads/c216fcbeba8d14ad1138-6e9024162b2645989d5eca6db19f81df49a6accd/opencv-3.1.0/build/CMakeFiles/CMakeOutput.log".
See also "/home/pi/Downloads/c216fcbeba8d14ad1138-6e9024162b2645989d5eca6db19f81df49a6accd/opencv-3.1.0/build/CMakeFiles/CMakeError.log".
make: *** No targets specified and no makefile found. Stop.
Installing OpenCV...
make: *** No rule to make target 'install'. Stop.