opencv4.6.0 + rtx2070 + ubuntu16.04 install tutorial

opencv4.6.0 + rtx2070 + ubuntu16.04 install tutorial

ref-1: https://blog.csdn.net/qvodgg/article/details/108410549

ref-2: https://zhuanlan.zhihu.com/p/76737748/

1. download the opencv 4.6.0 from: https://github.com/opencv/opencv/releases

https://github.com/opencv/opencv/archive/refs/tags/4.6.0.zip

2. unzip, mkdir build folder:

unzip opencv-4.6.0.zip

mkdir build 

cd build

3. install the needed software packages:

sudo apt-get install build-essential
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

4. cmake, make, and install:

cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_PREFIX=/usr/local ..  
make -j24 
sudo make install

5. 配置opencv的编译环境

# 首先将OpenCV的库添加到路径
sudo gedit /etc/ld.so.conf.d/opencv.conf 
# 打开一个空白的文件，需要在文件末尾添加
/usr/local/lib
# 执行如下命令是的刚才的配置路径生效
sudo ldconfig
# 配置bashrc
sudo gedit /etc/bash.bashrc  
# 在打开的文件的末尾添加如下内容
PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig
export PKG_CONFIG_PATH 
# 保存之后，执行如下命令是的配置生效
source /etc/bash.bashrc  
# 更新
sudo updatedb

6. 测试opencv安装成功

进入 opencv-4.6.0/samples/cpp/example_cmake目录下，执行命令：