however I keep getting the error message below, even though I have set theWITH_QTcmake flag toONby runningexport CMAKE_ARGS='WITH_QT=ON'before doingpip install opencv-python, as suggested by the
在运行opencv程序的时候报下面的错误: ... The library is compiled without QT support in function ... 原因是在使用cmake安装opencv的时候没有开启Qt选项。需要重新编译opencv, 添加-D WITH_QT=ON选项, 打开Qt, 让opencv支持Qt用户界面. 重新编译安装opencv:https://www.cnblogs.com/raina/p/11365854.html...
Describe the bug Install OpenCV with Qt support using the command: ./vcpkg install opencv[core,contrib,eigen,openmp,qt,freetype,jasper,tbb,ipp]:x64-windows Then build an OpenCV program calling cv::imshow. When running the program, it cra...
Could not find a package configuration file provided by “Qt5Core” with any of the following names: Qt5CoreConfig.cmake qt5core-config.cmake 第一个是一个warning,不管,下一个是error,说的是”Qt5Core”没找到。 我的QT安装路径是:/work/qt/my_qt/ 所以直接把/work/qt/my_qt/lib/cmake/Qt5...
1. 我们在xxx/opencv/路径里面, 新建一个名字为opencv-qt5-build的文件夹。这个文件夹是用来存放编译OpenCV后生成的文件的文件夹。 2. 点击Browse Build…(源码路径) 按钮,选择xxx/opencv/opencv-qt5-build路径 完成上面的Step 1和Step 2后,现在是这个样子的: ...
在这里的配置中我勾选了WITH_QT 去掉了WITH_TIFF,其他更多的配置也不清楚,OpenCV中文网站也没找到系统的说明,这里暂时不深究,点击Generate生成配置文件。 进入OpenCV-x86目录可以查看Makefile文件,可以留意文件的生成时间是否和刚才的生成时间一致。 4、接下来在OpenCV-x86 分别执行make和make install即可完成编译安装。
在上一篇中讲解了OpenCv4.4.0+Qt5.12.2+OpenCv-Contrib-4.4.0的 安装与测试例程,这篇中讲解摄像头的控制,摄像头列表的选择,参数控制,拍照,视频录制。 OpenCv中摄像头的相关的主要有两个模块, VideoCapture / VideoWrite 视频捕捉与视频写入模块。 思路
解决方法:因为Qt的渲染是支持Unicode字符集的,所以在编译OpenCV的时候联合编译qt的部分代码可以实现对Unicode的支持。将qt已经集成到了OpenCV里,在编译配置时cmake文件里添加下列配置即可;具体配置过程参见后面描述。 -DWITH_QT=ON\-DWITH_OPENGL=ON\-DCMAKE_PREFIX_PATH=/opt/homebrew/opt/qt@5\-DCMAKE_MODULE...
WITH_OPENGL:BOOL=ON //Include OpenNI support WITH_OPENNI:BOOL=OFF //Include PNG support WITH_PNG:BOOL=ON //Include Prosilica GigE support WITH_PVAPI:BOOL=ON //Build with Qt Backend support WITH_QT:BOOL=OFF //Include Intel TBB support WITH_TBB:BOOL=ON //Include TIFF support WITH_TIFF:...
使用源码编译qt-SDK 下载qt源代码。 qt源码下载 进入源码下,执行: # 解压源码 tar -xvf qt-everywhere-src-4.8.6.tar.gz cd qt-everywhere-src-4.8.6/mkspecs cp ~/feiling/linux-imx6ul-g++ . -rf # 修改linux-imx6ul-g++/qmake.conf # # qmake configuration for building with arm-none-linux-gnuea...