# opencv-examples

**Repository Path**: hexu1985/opencv-examples

## Basic Information

- **Project Name**: opencv-examples
- **Description**: OpenCV相关教材示例代码
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2024-09-10
- **Last Updated**: 2024-11-11

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

## OpenCV 随书示例代码

- [学习OpenCV3](Learning.OpenCV)
- [OpenCV算法精解](OpenCV.Algorithmic.Solution)
- [OpenCV实例精解](OpenCV.By.Example)
- [Python计算机视觉编程](Programming.Computer.Vision.With.Python)
- [Python OpenCV从入门到实践](Python.OpenCV.From.Novice.To.Practice)


### ubuntu上安装opencv

- 安装C++的opencv开发包
    ```
    $ sudo apt install libopencv-dev 
    ```

- 安装python3的opencv开发包
    ```
    $ sudo apt install python3-opencv
    ```


### ubuntu上源码编译opencv

- 安装依赖
    ```
    $ sudo apt-get update
    $ sudo apt-get install -y --no-install-recommends build-essential cmake libavcodec-dev libavformat-dev libgtk2.0-dev libgtkglext1 libgtkglext1-dev libjpeg-dev  libpng-dev libswscale-dev libtbb2 libtbb-dev libtiff-dev pkg-config unzip wget
    ```

- 下载代码
    ```
    $ git clone https://github.com/opencv/opencv.git
    $ cd opencv
    ```

- 编译opencv2
    ```
    $ git checkout v2.4
    $ cmake -H. -Bbuild -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=~/local/opencv2 -DWITH_OPENEXR=OFF -DWITH_OPENMP=OFF -DWITH_OPENCL=OFF -DBUILD_EXAMPLES=OFF -DBUILD_PERF_TESTS=OFF -DBUILD_TESTS=OFF -DBUILD_WITH_DEBUG_INFO=ON -DBUILD_opencv_apps=OFF
    $ cmake --build build --target install -- -j 7
    ```

- 编译opencv3
    ```
    $ git checkout v3.4
    $ cmake -H. -Bbuild -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_INSTALL_PREFIX=~/local/opencv3 -DWITH_IPP=OFF -DWITH_OPENCL=OFF -DBUILD_EXAMPLES=OFF -DBUILD_PERF_TESTS=OFF -DBUILD_TESTS=OFF -DBUILD_opencv_apps=OFF
    $ cmake --build build --target install -- -j 7
    ```

- 编译opencv4
    ```
    $ git checkout v4.10.0
    $ cmake -H. -Bbuild -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=~/local/opencv4 ..
    $ cmake --build . --target install -- -j 3
    ```

### windows: msys2下通过pacman -Ss opencv搜索opencv库, 并通过pacman -S 安装