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CMake编译opencv4.6


openCV系列文章目录

文章目录

  • ​​openCV系列文章目录​​
  • ​​前言​​
  • ​​一、准备工作​​
  • ​​二、使用步骤​​
  • ​​1.使用CMake编译openCV​​
  • ​​总结​​

前言

最近在项目中遇到图片处理,一拍脑袋就想到大名鼎鼎的opencv

一、准备工作

1.​​openCV官网下载​​​ 2.​​CMake官方下载​​ 3.​​vs2019官方下载​​

二、使用步骤

1.使用CMake编译openCV

CMake编译opencv4.6_人工智能


在点击Configure后报错:

CMake编译opencv4.6_人工智能_02

CMake Warning at cmake/OpenCVDownload.cmake:248 (message):
IPPICV: Download failed: 28;“Timeout was reached”

For details please refer to the download log file:

E:/openCV/opencv-4.6.0_build/CMakeDownloadLog.txt

Call Stack (most recent call first):
3rdparty/ippicv/ippicv.cmake:37 (ocv_download)
cmake/OpenCVFindIPP.cmake:259 (download_ippicv)
cmake/OpenCVFindLibsPerf.cmake:12 (include)
CMakeLists.txt:733 (include)

这个应该是编译opencv源码的通用问题,主要是网络问题,无法下载ippicv包,这里提供一个手动寻找安装包的方式,步骤如下:

(1)1. 在opencv源代码中获取ippicv的下载地址

首先打开opencv-x.x.x\3rdparty\ippicv\ippicv.cmake文件,分别找到如下语句

CMake编译opencv4.6_人工智能_03


CMake编译opencv4.6_CMake_04


CMake编译opencv4.6_计算机视觉_05


​​ippicv_2019_lnx_intel64_general_20180723.tgz​​将

CMake编译opencv4.6_计算机视觉_06


中的

CMake编译opencv4.6_人工智能_07


修改成(2)生成vs工程

CMake编译opencv4.6_OpenCV_08


(3)编译OpenCV.sln

CMake编译opencv4.6_OpenCV_09


CMake编译opencv4.6_opencv_10


打开OpenCV.sln,生成对应的lib、dll

CMake编译opencv4.6_OpenCV_11

编译报错

CMake编译opencv4.6_opencv_12


CMake编译opencv4.6_opencv_13


估计是换行符引起的,所以把:

CMake编译opencv4.6_计算机视觉_14


修改成:

CMake编译opencv4.6_opencv_15


把二维string数组写到一行,编译通过

CMake编译opencv4.6_OpenCV_16


(4)生成lib、dll路径

CMake编译opencv4.6_人工智能_17


CMake编译opencv4.6_opencv_18

总结


举报

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