概述
目录
卸载老版本OpenCV4.1.0
安装新版本OpenCV4.3.0以及OpenCV_contrib4.3.0
opencv缺失文件下载
问题及解决
卸载OpenCV4.1.0
1.查看版本
opencv_version
2.卸载opencv
cd /usr/local/opencv-4.1.0/build
sudo make uninstall
cd ..
sudo rm -r build
如果找不到 build 目录,可以重新建立 build 目录安装对应版本,再执行卸载步骤。
然后清理 /usr 中所有 opencv 相关项
sudo rm -r /usr/local/include/opencv4 /usr/local/include/opencv /usr/include/opencv /usr/include/opencv4 /usr/local/share/opencv /usr/local/share/opencv4 /usr/share/opencv /usr/share/opencv /usr/local/bin/opencv* /usr/local/lib/libopencv*
cd /usr
find . -name "*opencv*" | xargs sudo rm -rf
cd /usr/local/
rm -r opencv-4.1.0/
3.移除 python 相关
apt-get remove opencv-data python-opencv
安装OpenCV4.3.0以及OpenCV_contrib4.3.0
1.下载两个安装包 opencv-4.3.0.zip 和 opencv_contrib-4.3.0.zip
https://github.com/opencv/opencv_contrib/releases
2.更新系统下载工具
sudo apt-get update
3.安装所需依赖项
sudo apt-get install build-essential
sudo apt-get install libopenblas-dev
sudo apt-get install cmake git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev
sudo apt-get install python-dev python-numpy libtbb2 libtbb-dev libjpeg-dev libpng-dev libtiff-dev libjasper-dev libdc1394-22-dev
sudo apt-get install ant
4.分别上传解压到目录/usr/local
sudo unzip opencv-4.3.0.zip 如果没有unzip则安装sudo apt-get install unzip zip
sudo unzip opencv_contrib-4.3.0.zip
将opencv_contrib文件夹mv到opencv-4.3.0目录下
sudo mv opencv_contrib-4.3.0 opencv-4.3.0/
5.编译
cd opencv-4.3.0
sudo mkdir build #创建build目录
cd build/
sudo cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_PREFIX=/usr/local -D OPENCV_EXTRA_MODULES_PATH=../opencv_contrib-4.3.0/modules/ ..
(下载文件时间有点长,有两个文件下载比较慢,如果需可以先自己下载然后更改路径,下载地址见后面)
6.安装
sudo make -j8 (8线程编译)
sudo make install
7.查看版本号
opencv_version
8.动态链接库添加到系统
进入目录:cd /etc/ld.so.conf.d
创建: sudo vim opencv.conf
添加:/usr/local/opencv-4.3.0/build/lib
执行:sudo ldconfig
9.额外操作,方便java程序调用
将自己开发的so库和libopencv_java430.so移动到/usr/lib/下面
cp /usr/local/opencv-4.3.0/build/lib/libopencv_java430.so /usr/lib/
或者设置环境变量LD_LIBRARY_PATH指定libopencv_java430.so所在的目录
opencv缺失文件下载
ippicv_2020_lnx_intel64_20191018_general.tgz
face_landmark_model.dat
boostdesc_bgm.i
boostdesc_bgm_bi.i
boostdesc_bgm_hd.i
boostdesc_binboost_064.i
boostdesc_binboost_128.i
boostdesc_binboost_256.i
boostdesc_lbgm.i
vgg_generated_120.i
vgg_generated_48.i
vgg_generated_64.i
vgg_generated_80.i
下载地址:https://download.csdn.net/download/renzhehongyi/12636117
问题及解决
问题:查看下载日志
原因:opencv在编译过程中需要下载额外的文件,下载日志是build目录中的CMakeDownloadLog.txt,如果遇到下载问题可以先查看该日志
问题:配置下载hosts
原因:CMakeDownloadLog.txt会列出无法访问的网站地址,raw.githubusercontent.com就经常连接失败
解决:用www.ipaddress.com去查raw.githubusercontent.com IP地址(比如185.199.108.133,ip经常变动根据实际情况查询),然后配置hosts文件 添加 185.199.108.133 raw.githubusercontent.com
问题:OpenCV - IPPICV 和 face_landmark_model.dat下载不下来的问题
解决:手动下载ippicv_2020_lnx_intel64_20191018_general.tgz文件和face_landmark_model.dat文件,放在/usr/local/opencv-4.3.0/downloads目录 "file:///usr/local/opencv-4.3.0/downloads/"
1、查看文件opencv-4.3.0/3rdparty/ippicv/ippicv.cmake,根据下载地址"https://raw.githubusercontent.com/opencv/opencv_3rdparty/${IPPICV_COMMIT}/ippicv/"和文件名手动下载ippicv文件存放在本地,然后将下载地址改为文件所在位置,例如 "file:///usr/local/opencv-4.3.0/downloads/"。
2、查看文件opencv_contrib-4.3.0/modules/face/CMakeLists.txt,根据下载地址"https://raw.githubusercontent.com/opencv/opencv_3rdparty/${__commit_hash}/"和文件名手动下载face_landmark_model.dat存放在本地,然后将下载地址改为文件所在位置,例如 "file:///usr/local/opencv-4.3.0/downloads/"。
问题:bulid报错
/usr/local/opencv-4.3.0/opencv_contrib-4.3.0/modules/xfeatures2d/src/vgg.cpp:490:41: fatal error: vgg_generated_120.i: No such file or directory
/usr/local/opencv-4.3.0/opencv_contrib-4.3.0/modules/xfeatures2d/src/boostdesc.cpp:654:37: fatal error: boostdesc_bgm.i: No such file or directory
解决:下载复制到opencv-4.3.0/opencv_contrib-4.3.0/modules/xfeatures2d/src目录
问题:/usr/local/opencv-4.3.0/build/modules/java_bindings_generator/gen/cpp/xfeatures2d.inl.hpp:12:35: fatal error: opencv2/xfeatures2d.hpp: No such file or directory
/usr/local/opencv-4.3.0/opencv_contrib-4.3.0/modules/xfeatures2d/test/test_rotation_and_scale_invariance.cpp:7:82: fatal error: features2d/test/test_detectors_invariance.impl.hpp: No such file or directory
解决:查找报错的文件 然后将引用 改写为绝对路径:
root@iZbp19nj83ng3s5ypqg1lzZ:/usr/local/opencv-4.3.0/modules# find . -name "*test_detectors*"
vim /usr/local/opencv-4.3.0/opencv_contrib-4.3.0/modules/xfeatures2d/test/test_rotation_and_scale_invariance.cpp
//#include "features2d/test/test_detectors_invariance.impl.hpp" // main OpenCV repo 改为如下:
#include "/usr/local/opencv-4.3.0/modules/features2d/test/test_detectors_invariance.impl.hpp" // main OpenCV repo
//#include "features2d/test/test_descriptors_invariance.impl.hpp" // main OpenCV repo 改为如下:
#include "/usr/local/opencv-4.3.0/modules/features2d/test/test_descriptors_invariance.impl.hpp" // main OpenCV repo
问题:cmake opencv的时候 提示没有探测到java 或者编译过后build/lib/目录下没有libopencv_java410.so文件
Unavailable: androidcamera dynamicuda java python viz
原因:可是我jdk环境已经配置了,java -version可以看到
解决:
1、安装ant sudo apt-get install ant后,重新cmake
2、明明有环境变量,可是还是探测不到java,
Could NOT find JNI (missing: JAVA_INCLUDE_PATH JAVA_INCLUDE_PATH2 JAVA_AWT_INCLUDE_PATH)
在root账户下去掉sudo后执行编译却可以探测到java了,确实奇怪
cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_PREFIX=/usr/local -D OPENCV_EXTRA_MODULES_PATH=../opencv_contrib-4.3.0/modules/ ..
最后
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