可通过cv.namedWindow()实现创建一个空窗口,然后将图像加载到该窗口,其第二个参数为一个标志,默认为cv.WINDOW_AUTOSIZE,若将标志指定为cv.WINDOW_NORMAL,可调整窗口大小,当图像尺寸过大及向窗口添加跟踪栏时,很有用处。 可使用cv.destoryWindow()函数,传递窗口名称为参数,销毁特定的窗口。 Matplotlib是Python的绘...
1 OpenCV for Android via Visual Studio to Unity 2 Build project with libvpx x86 android fail with undefined reference error 1 undefined reference to `cv::error(int, std::string const&, char const*, char const*, int)' 8 error: 'to_string' is not a member of 'std' 0 Not abl...
undefined reference to `cv::imread(std::string const&, int)' undefined reference to `cv::noArray()' undefined reference to `cv::_OutputArray::_OutputArray(cv::Mat&)' undefined reference to `cv::_InputArray::_InputArray(cv::Mat const&)' undefined reference to `cv::imwrite(std::string ...
Trying to compile with: $/usr/bin/g++ -gpkg-config --cflags --libs opencvmain.cpp causes 'undefined reference' error for all OpenCV calls: /code/cpp/play/main.cpp:9: undefined reference to `cv::imread(cv::String const&, int)' Running pkg-config --cflags --libs opencv returns: pkg...
Opencv3.0: undefined reference to cv::imread(cv::String const&, int) 使用opencv,编译出错: undefined reference to cv::imread(cv::Stringconst&, int) 自opencv3.0之后,图像读取相关代码在imgcodes中。 所以需要添加libopencv_imgcodecs库。
编译: cmake .. make 1. 2. 参考文章: fatal error: opencv2/opencv.hpp: No such file or directory undefined reference to `cv::imread(std::__cxx11::basic_string<char, std::char_traits<char>, std::all...
../../lib/libopencv_world.so: undefined reference to `cv::dnn::opt_NEON::convBlock_F32(int, float const*, float const*, float*, int, bool, int, int, int)' cd opencvmkdir buildcd buildexport STAGING_DIR=/……/V853/tina-v853-open/prebuilt/rootfsbuilt/arm/toolchain-sunxi-musl-...
0/../../../../x86_64-w64-mingw32/bin/ld.exe: D:/WORK/opencvproj/helloworld.cpp:11: undefined reference to `cv::waitKey(int)' [build] D:/keypro/mingw64posix/bin/../lib/gcc/x86_64-w64-mingw32/13.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: D:/WORK/opencvproj...
When I ran this code, It went wrong. Detailed description cv::Mat M(2,2,CV_8UC3,cv::Scalar(0,0,255)); System information (version) OpenCV => :4.5.3: Ubuntu => 20.04 It reported: undefined reference to cv::Mat::Mat(int, int, int, cv::Scal...
I am building a project with OpenCV 4 beta and when I use the function cv::imread or cv::imwrite I get an undefined reference to the functions. My CMakeLists.txt is as follows: cmake_minimum_required(VERSION 3.1.0) project(myImageProgram...