티스토리 뷰
728x90
출처
- How To Add Swap Space on Debian 9 | Linuxize
- Install OpenCV 4 on your Raspberry Pi - PyImageSearch
- [OpenCV 설치] Ubuntu OpenCV 설치, C++ 테스트
- How to find OpenCV version in Python and C++ ? | Learn OpenCV
- 4.0.0 does not produce pkgconfig file · Issue #13154 · opencv/opencv · GitHub
업데이트와 업그레이드
$ sudo apt-get update && sudo apt-get upgrade
OpenCV 4.1.1 관련 패키지 설치
OpenCV 빌드 관련 도구 설치
$ sudo apt-get install build-essential cmake unzip pkg-config
OpenCV 관련 라이브러리 설치
$ sudo apt-get install libjpeg-dev libpng-dev libtiff-dev $ sudo apt-get install libavcodec-dev libavformat-dev libswscale-dev libv4l-dev $ sudo apt-get install libxvidcore-dev libx264-dev $ sudo apt-get install zlib1g-dev
GTK 관련 라이브러리 설치
$ sudo apt-get install libgtk-3-dev
OpenCV 수치 최적화가 된 패키지 설치
$ sudo apt-get install libatlas-base-dev gfortran
Python3 설치
$ sudo apt-get install python3-dev
OpenCV 4.1.1 용 Python 3 가상 환경 구성
pip 설치
$ wget https://bootstrap.pypa.io/get-pip.py
$ sudo python3 get-pip.py
Collecting pip
Downloading https://files.pythonhosted.org/packages/30/db/9e38760b32e3e7f40cce46dd5fb107b8c73840df38f0046d8e6514e675a1/pip-19.2.3-py2.py3-none-any.whl (1.4MB)
|████████████████████████████████| 1.4MB 768kB/s
Installing collected packages: pip
Found existing installation: pip 8.1.1
Uninstalling pip-8.1.1:
Successfully uninstalled pip-8.1.1
Successfully installed pip-19.2.3
virtualenv, virtualenvwrapper 설치
$ sudo pip install virtualenv virtualenvwrapper $ sudo rm -rf ~/get-pip.py ~/.cache/pip
python3, virtualenv 환경설정
$ echo -e "\n# virtualenv and virtualenvwrapper" >> ~/.profile $ echo "export WORKON_HOME=$HOME/.virtualenvs" >> ~/.profile $ echo "export VIRTUALENVWRAPPER_PYTHON=/usr/bin/python3" >> ~/.profile $ echo "source /usr/local/bin/virtualenvwrapper.sh" >> ~/.profile $ source ~/.profile
가상환경을 만들고, OpenCV 4.1.1 관련 패키지 추가
$ mkvirtualenv cv -p python3 Already using interpreter /usr/bin/python3 Using base prefix '/usr' New python executable in /home/pi/.virtualenvs/cv/bin/python3 Also creating executable in /home/pi/.virtualenvs/cv/bin/python Installing setuptools, pip, wheel... done. virtualenvwrapper.user_scripts creating /home/pi/.virtualenvs/cv/bin/predeactivate virtualenvwrapper.user_scripts creating /home/pi/.virtualenvs/cv/bin/postdeactivate virtualenvwrapper.user_scripts creating /home/pi/.virtualenvs/cv/bin/preactivate virtualenvwrapper.user_scripts creating /home/pi/.virtualenvs/cv/bin/postactivate virtualenvwrapper.user_scripts creating /home/pi/.virtualenvs/cv/bin/get_env_details
workon 명령을 사용하여 cv 환경에 있는지 확인
pi@raspberrypi:~$ workon cv
(cv) pi@raspberrypi:~$
SWAP 사이즈 늘리기
현재 사용중인 SWAP 사이즈 확인
$ free -h
total used free shared buff/cache available
Mem: 495M 126M 263M 396K 104M 346M
Swap: 247M 152M 94M
$ sudo swapon --show
NAME TYPE SIZE USED PRIO
/dev/zram0 partition 61.9M 38.1M 5
/dev/zram1 partition 61.9M 38.2M 5
/dev/zram2 partition 61.9M 38.1M 5
/dev/zram3 partition 61.9M 38.2M 5
Swap File 파일 만들기 (2가지 방법)
방법1
$ sudo fallocate -l 2G /swapfile
방법2
$ sudo dd if=/dev/zero of=/swapfile bs=128M count=16 16+0 records in 16+0 records out 2147483648 bytes (2.1 GB, 2.0 GiB) copied, 138.741 s, 15.5 MB/s
Swap File 파일 읽고 쓰기 권한 병경
$ sudo chmod 600 /swapfile
mkswap 도구를 사용하여 Linux 스왑 파일로 설정
$ sudo mkswap /swapfile Setting up swapspace version 1, size = 2 GiB (2147479552 bytes) no label, UUID=2cb87e99-2b39-4f99-9c05-46e5012baef5
스왑 파일을 활성화
$ sudo swapon /swapfile
Linux 부팅시 스왑파일 자동으로 사용하도록 적용
/etc/fstab 파일 열어서 내용 추가
$ sudo vi /etc/fstab
추가될 내용
/swapfile swap swap defaults 0 0
확인
$ sudo swapon --show
NAME TYPE SIZE USED PRIO
/dev/zram0 partition 61.9M 38M 5
/dev/zram1 partition 61.9M 38M 5
/dev/zram2 partition 61.9M 38M 5
/dev/zram3 partition 61.9M 38.1M 5
/swapfile file 2G 0B -1
$ free -h
total used free shared buff/cache available
Mem: 495M 132M 122M 556K 239M 340M
Swap: 2.2G 151M 2.1G
numpy 파이썬 패키지 설치(OpenCV관련 수학 함수 모음)
pi@raspberrypi:~$ workon cv (cv) pi@raspberrypi:~$ pip install numpy Collecting numpy Created wheel for numpy: filename=numpy-1.17.1-cp35-cp35m-linux_armv7l.whl size=8686923 sha256=2628ac3cf647d10ebd10bc9c1eab6defd408d23f7d997728dc1f8b231f8a53df Stored in directory: /home/pi/.cache/pip/wheels/ba/05/2b/885479a25e17d366187c96094978de4807cac569ab52564de2 Successfully built numpy Installing collected packages: numpy Successfully installed numpy-1.17.1 (cv) pi@raspberrypi:~$ python Python 3.7.3 (default, Apr 3 2019, 05:39:12) [GCC 8.2.0] on linux Type "help", "copyright", "credits" or "license" for more information. >>> import numpy >>> quit()
OpenCV 4.1.1 다운로드
OpenCV 4.1.1 소스 다운로드
$ cd ~ $ wget -O opencv.zip https://github.com/opencv/opencv/archive/4.1.1.zip $ wget -O opencv_contrib.zip https://github.com/opencv/opencv_contrib/archive/4.1.1.zip
압축풀기
$ unzip opencv.zip $ unzip opencv_contrib.zip
디렉토리명 변경
$ mv opencv-4.1.1 opencv $ mv opencv_contrib-4.1.1 opencv_contrib
OpenCV 컴파일
CMake 실행
$ workon cv
$ cd ~/opencv
$ mkdir build
$ cd build
$ echo $(which python3)
/usr/bin/python3
$ cmake -D CMAKE_BUILD_TYPE=RELEASE \
-D CMAKE_INSTALL_PREFIX=/usr/local \
-D OPENCV_EXTRA_MODULES_PATH=~/opencv_contrib/modules \
-D ENABLE_NEON=ON \
-D ENABLE_VFPV3=ON \
-D BUILD_TESTS=OFF \
-D OPENCV_ENABLE_NONFREE=ON \
-D INSTALL_PYTHON_EXAMPLES=OFF \
-D OPENCV_GENERATE_PKGCONFIG=YES \
-D PYTHON_DEFAULT_EXECUTABLE=$(which python3) \
-D BUILD_EXAMPLES=OFF ..
... 생략 ...
-- General configuration for OpenCV 4.1.1 =====================================
-- Version control: unknown
--
-- Extra modules:
-- Location (extra): /home/pi/opencv_contrib/modules
-- Version control (extra): unknown
--
-- Platform:
-- Timestamp: 2019-09-04T04:59:12Z
-- Host: Linux 3.4.113-sun8i armv7l
-- CMake: 3.5.1
-- CMake generator: Unix Makefiles
-- CMake build tool: /usr/bin/make
-- Configuration: RELEASE
--
-- CPU/HW features:
-- Baseline: VFPV3 NEON
-- requested: DETECT
-- required: VFPV3 NEON
--
-- C/C++:
-- Built as dynamic libs?: YES
-- C++ Compiler: /usr/bin/c++ (ver 5.4.0)
-- C++ flags (Release): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Winit-self -Wno-delete-non-virtual-dtor -Wno-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -mfpu=neon -fvisibility=hidden -fvisibility-inlines-hidden -O3 -DNDEBUG -DNDEBUG
-- C++ flags (Debug): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Winit-self -Wno-delete-non-virtual-dtor -Wno-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -mfpu=neon -fvisibility=hidden -fvisibility-inlines-hidden -g -O0 -DDEBUG -D_DEBUG
-- C Compiler: /usr/bin/cc
-- C flags (Release): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Winit-self -Wno-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -mfpu=neon -fvisibility=hidden -O3 -DNDEBUG -DNDEBUG
-- C flags (Debug): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Winit-self -Wno-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -mfpu=neon -fvisibility=hidden -g -O0 -DDEBUG -D_DEBUG
-- Linker flags (Release): -Wl,--gc-sections
-- Linker flags (Debug): -Wl,--gc-sections
-- ccache: NO
-- Precompiled headers: YES
-- Extra dependencies: dl m pthread rt
-- 3rdparty dependencies:
--
-- OpenCV modules:
-- To be built: aruco bgsegm bioinspired calib3d ccalib core datasets dnn dnn_objdetect dpm face features2d flann freetype fuzzy gapi hfs highgui img_hash imgcodecs imgproc line_descriptor ml objdetect optflow phase_unwrapping photo plot python3 quality reg rgbd saliency shape stereo stitching structured_light superres surface_matching text tracking ts video videoio videostab xfeatures2d ximgproc xobjdetect xphoto
-- Disabled: world
-- Disabled by dependency: -
-- Unavailable: cnn_3dobj cudaarithm cudabgsegm cudacodec cudafeatures2d cudafilters cudaimgproc cudalegacy cudaobjdetect cudaoptflow cudastereo cudawarping cudev cvv hdf java js matlab ovis python2 sfm viz
-- Applications: perf_tests apps
-- Documentation: NO
-- Non-free algorithms: YES
--
-- GUI:
-- GTK+: YES (ver 3.18.9)
-- GThread : YES (ver 2.48.2)
-- GtkGlExt: NO
-- VTK support: NO
--
-- Media I/O:
-- ZLib: /usr/lib/arm-linux-gnueabihf/libz.so (ver 1.2.8)
-- JPEG: /usr/lib/arm-linux-gnueabihf/libjpeg.so (ver 80)
-- WEBP: build (ver encoder: 0x020e)
-- PNG: /usr/lib/arm-linux-gnueabihf/libpng.so (ver 1.2.54)
-- TIFF: /usr/lib/arm-linux-gnueabihf/libtiff.so (ver 42 / 4.0.6)
-- JPEG 2000: build (ver 1.900.1)
-- OpenEXR: build (ver 2.3.0)
-- HDR: YES
-- SUNRASTER: YES
-- PXM: YES
-- PFM: YES
--
-- Video I/O:
-- DC1394: NO
-- FFMPEG: YES
-- avcodec: YES (56.60.100)
-- avformat: YES (56.40.101)
-- avutil: YES (54.31.100)
-- swscale: YES (3.1.101)
-- avresample: NO
-- GStreamer: NO
-- v4l/v4l2: YES (linux/videodev2.h)
--
-- Parallel framework: pthreads
--
-- Trace: YES (with Intel ITT)
--
-- Other third-party libraries:
-- Lapack: NO
-- Eigen: NO
-- Custom HAL: YES (carotene (ver 0.0.1))
-- Protobuf: build (3.5.1)
--
-- OpenCL: YES (no extra features)
-- Include path: /home/pi/opencv/3rdparty/include/opencl/1.2
-- Link libraries: Dynamic load
--
-- Python 3:
-- Interpreter: /home/pi/.virtualenvs/cv/bin/python3 (ver 3.5.2)
-- Libraries: /usr/lib/arm-linux-gnueabihf/libpython3.5m.so (ver 3.5.2)
-- numpy: /home/pi/.virtualenvs/cv/lib/python3.5/site-packages/numpy/core/include (ver 1.17.1)
-- install path: lib/python3.5/site-packages/cv2/python-3.5
--
-- Python (for build): /home/pi/.virtualenvs/cv/bin/python3
--
-- Java:
-- ant: NO
-- JNI: NO
-- Java wrappers: NO
-- Java tests: NO
--
-- Install to: /usr/local
-- -----------------------------------------------------------------
--
-- Configuring done
-- Generating done
-- Build files have been written to: /home/pi/opencv/build
CPU 코어 개수 확인
$ grep -c processor /proc/cpuinfo 4
OpenCV 컴파일
$ make -j4
OpenCV 설치
$ sudo make install $ sudo ldconfig
OpenCV 4를 Python 3 가상 환경에 복사(소프트링크)
$ cd ~/.virtualenvs/cv/lib/python3.5/site-packages/ $ ln -s /usr/local/lib/python3.5/site-packages/cv2/python-3.5/cv2.cpython-35m-arm-linux-gnueabihf.so cv2.so $ cd ~
OpenCV 설치 확인
파이썬
$ python Python 3.5.2 (default, Nov 12 2018, 13:43:14) [GCC 5.4.0 20160609] on linux Type "help", "copyright", "credits" or "license" for more information. >>> import cv2 >>> cv2.__version__ '4.1.1' >>> exit()
C++
#include "opencv2/opencv.hpp"
using namespace cv;
using namespace std;
int main( int argc, char** argv )
{
cout << "OpenCV version : " << CV_VERSION << endl;
cout << "Major version : " << CV_MAJOR_VERSION << endl;
cout << "Minor version : " << CV_MINOR_VERSION << endl;
cout << "Subminor version : " << CV_SUBMINOR_VERSION << endl;
}
$ g++ version_check.cpp -o version_check -std=c++11 `pkg-config --cflags --libs opencv4` $ ./version_check OpenCV version : 4.1.1 Major version : 4 Minor version : 1 Subminor version : 1
댓글
300x250
공지사항
최근에 올라온 글
최근에 달린 댓글
- Total
- Today
- Yesterday
TAG
- oracle
- 튜닝쇼 2008
- Delphi
- Mac
- 동경
- Linux
- 전예희
- Spring
- 지스타2007
- KOBA
- Java
- android
- BPI-M4
- 일본여행
- NDK
- koba2010
- ble
- MySQL
- 레이싱모델 익스트림 포토 페스티벌
- Spring MVC
- JavaScript
- ubuntu
- 서울오토살롱
- sas2009
- SAS
- ffmpeg
- 송주경
- flex
- Xcode
- Delphi Tip
| 일 | 월 | 화 | 수 | 목 | 금 | 토 |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| 22 | 23 | 24 | 25 | 26 | 27 | 28 |
| 29 | 30 | 31 |
글 보관함