下载cmake,安装

cmake-3.16.5-win64-x64链接地址:https://github.com/Kitware/CMake/releases/download/v3.16.5/cmake-3.16.5-win64-x64.zip

  1. 下载cmake到D:\cmake\文件夹下,并解压到此目录下
    ncnn在window,vs2019,cmake-3.16.5-win64-x64编译
  2. 把bin目录添加到本机环境变量,鼠标右击 此电脑->高级系统设置(左边)->环境变量->选择path(用户变量)->编辑
    ncnn在window,vs2019,cmake-3.16.5-win64-x64编译
  3. 再次进入D:\cmake\cmake-3.16.5-win64-x64\bin,右击cmake-gui.exe,发送到桌面快捷方式

下载protobuf,并编译

  1. 链接地址:https://github.com/protocolbuffers/protobuf/releases
    ncnn在window,vs2019,cmake-3.16.5-win64-x64编译
  2. 解压文件,并在解压文件同目录下添加文件夹protobuf-3.11.4-build-vs2019,如下:
    ncnn在window,vs2019,cmake-3.16.5-win64-x64编译
  3. 编译protobuf
    打开cmake-gui,选择源文件夹下的cmake,和新建的文件夹,如下所示
    ncnn在window,vs2019,cmake-3.16.5-win64-x64编译
    configure,主要要选择Visual Studio 16 2019
    ncnn在window,vs2019,cmake-3.16.5-win64-x64编译
    protobuf_BUILD_TESTS和protobuf_MSVC_STATIC_RUNTIME不需要选择,CMAKE_INSTALL_PREFIX:D:\GIT\protobuf-3.11.4-build-vs2019\install
    再次configure,如下:

ncnn在window,vs2019,cmake-3.16.5-win64-x64编译
Generate后,在文件夹protobuf-3.11.4-build-vs2019生成如下文件
ncnn在window,vs2019,cmake-3.16.5-win64-x64编译
点击cmake下面的Open Project,进行编译,注意要选择Release,x64,右击INSTALL,点击生成ncnn在window,vs2019,cmake-3.16.5-win64-x64编译
编译后如下, 表示编译成功

ncnn在window,vs2019,cmake-3.16.5-win64-x64编译

在文件夹protobuf-3.11.4-build-vs2019,会生成install文件夹,里面如下

ncnn在window,vs2019,cmake-3.16.5-win64-x64编译

编译ncnn

  1. ncnn地址:
    https://github.com/Tencent/ncnn
    新建ncnn目录
    git clone https://github.com/Tencent/ncnn.git到ncnn目录

  2. 编译ncnn
    打开vs2019自带的cmd,并且以管理员身份运行
    ncnn在window,vs2019,cmake-3.16.5-win64-x64编译

opencv 已安装
mkdir ncnn-build-vs2019
cd ncnn-build-vs2019
cmake -G"NMake Makefiles" -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=D:/GIT/ncnn-build-vs2019/install -DProtobuf_INCLUDE_DIR=D:\GIT\protobuf-3.11.4-build-vs2019\install\include -DProtobuf_LIBRARIES=D:\GIT\protobuf-3.11.4-build-vs2019\install\lib/libprotobuf.lib -DProtobuf_PROTOC_EXECUTABLE=D:\GIT\protobuf-3.11.4-build-vs2019\install\bin/protoc.exe -DNCNN_VULKAN=OFF -DOpenCV_DIR=D:/opencv/build D:/GIT/ncnn
ncnn在window,vs2019,cmake-3.16.5-win64-x64编译

nmake
ncnn在window,vs2019,cmake-3.16.5-win64-x64编译
nmake install
ncnn在window,vs2019,cmake-3.16.5-win64-x64编译
ncnn编译完成,文件夹ncnn-build-vs2019下生成install文件夹
ncnn在window,vs2019,cmake-3.16.5-win64-x64编译

ncnn例子测试

  1. 打开vs2019,新建项目

  2. 右击项目->属性->配置属性->VC++目录,
    包含目录添加:D:\opencv\build\include;D:\GIT\protobuf-3.11.4-build-vs2019\install\include;D:\GIT\ncnn-build-vs2019\install\include\ncnn
    库目录添加:D:\opencv\build\x64\vc15\lib;D:\GIT\protobuf-3.11.4-build-vs2019\install\lib;D:\GIT\ncnn-build-vs2019\install\lib

  3. 配置属性->连接器->输入
    附件依赖项:
    opencv_world411.lib
    ncnn.lib
    libprotobuf.lib

  4. 测试
    拷贝mobilenetssd.cpp,链接:https://github.com/Tencent/ncnn/blob/master/examples/mobilenetssd.cpp

执行结果如下:
ncnn在window,vs2019,cmake-3.16.5-win64-x64编译

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