This forum is disabled, please visit https://forum.opencv.org
| 2019-01-05 02:13:59 -0600 | commented question | OpenCV 3.4.3 compiling with MinGW-64 8.1.0 using CMake...New Issue @onthegrid007, can you find any solution to this problem? I'm struggling with this issue by using opencv4 |
| 2018-01-21 09:17:40 -0600 | commented answer | OpenCV C++ Multithreading for learning purpose this link is not very good, if you have a simple example it would be nice, I don't understand what |
| 2018-01-21 09:17:28 -0600 | commented answer | OpenCV C++ Multithreading for learning purpose this link is not very good, if you have a simple example it would be nice, I don't understand what |
| 2017-10-30 08:00:56 -0600 | received badge | ● Enthusiast |
| 2017-10-22 06:41:56 -0600 | edited question | what is exactly MultiScale hough transform (setting inputs and compare runtime between SHT & MHT) what is exactly MultiScale hough transform (setting inputs and compare runtime between SHT & MHT) I'm working on Lin |
| 2017-10-22 06:19:11 -0600 | edited question | what is exactly MultiScale hough transform (setting inputs and compare runtime between SHT & MHT) what is exactly MultiScale hough transform (setting inputs and compare runtime between SHT & MHT) I'm working on Lin |
| 2017-10-21 06:06:35 -0600 | edited question | what is exactly MultiScale hough transform (setting inputs and compare runtime between SHT & MHT) what is exactly MultiScale hough transform (setting inputs and compare runtime between SHT & MHT) I'm working on Lin |
| 2017-10-21 05:58:01 -0600 | edited question | what is exactly MultiScale hough transform (setting inputs and compare runtime between SHT & MHT) what is exactly MultiScale hough transform (setting inputs and compare runtime between SHT & MHT) I'm working on Lin |
| 2017-10-21 05:57:27 -0600 | edited question | what is exactly MultiScale hough transform (setting inputs and compare runtime between SHT & MHT) what is exactly MultiScale hough transform (setting inputs and compare runtime between SHT & MHT) I'm working on Lin |
| 2017-10-20 04:41:02 -0600 | edited question | what is exactly MultiScale hough transform (setting inputs and compare runtime between SHT & MHT) what is exactly MultiScale hough transform I'm working on line detection using OpenCV and when i saw Multi Scale hough t |
| 2017-10-20 04:37:49 -0600 | asked a question | what is exactly MultiScale hough transform (setting inputs and compare runtime between SHT & MHT) what is exactly MultiScale hough transform I'm working on line detection using OpenCV and when i saw Multi Scale hough t |
| 2016-02-06 04:51:48 -0600 | commented question | How i can use OpenCV 3.0.0 on qt in Windows 10 ? thanks it's work for opencv3:) |
| 2016-02-06 04:48:03 -0600 | commented question | How i can use OpenCV 3.0.0 on qt in Windows 10 ? it's by default disable :( |
| 2016-02-06 04:41:35 -0600 | commented question | How i can use OpenCV 3.0.0 on qt in Windows 10 ? I can't file this library:( please tell me lib path |
| 2016-02-06 04:30:05 -0600 | commented question | How i can use OpenCV 3.0.0 on qt in Windows 10 ? Thanks to answer but i follow this tutorial and there author link .dll files. |
| 2016-02-06 03:52:20 -0600 | received badge | ● Editor (source) |
| 2016-02-05 23:37:52 -0600 | asked a question | How i can use OpenCV 3.0.0 on qt in Windows 10 ? Hi,sorry for my simple question but i try to install opencv3 on qt ... I knew that i can't use prebuilt library for qt and i have to build it with mingw compiler(for it i use Cmake) but i test many ways but now i really confused, is there any way i can trust him.i use qt5.4.2 when i build opencv3 in cmnd window this error appear. Scanning dependencies of target opencv_videoio [ 38%] Building CXX object modules/videoio/CMakeFiles/opencv_videoio.dir/src/cap.cpp.obj [ 38%] Building CXX object modules/videoio/CMakeFiles/opencv_videoio.dir/src/cap_images.cpp.obj [ 38%] Building CXX object modules/videoio/CMakeFiles/opencv_videoio.dir/src/cap_mjpeg_encoder.cpp.obj [ 38%] Building CXX object modules/videoio/CMakeFiles/opencv_videoio.dir/src/cap_mjpeg_decoder.cpp.obj [ 38%] Building CXX object modules/videoio/CMakeFiles/opencv_videoio.dir/src/cap_cmu.cpp.obj [ 38%] Building CXX object modules/videoio/CMakeFiles/opencv_videoio.dir/src/cap_dshow.cpp.obj C:\OpenCV\s.3\sources\modules\videoio\src\cap_dshow.cpp:122:11: error: base class 'struct IUnknown' has accessible non-virtual destructor [-Werror=non-virtual-dtor] interface IEnumPIDMap : public IUnknown ^ C:\OpenCV\s.3\sources\modules\videoio\src\cap_dshow.cpp:122:11: error: 'struct IEnumPIDMap' has virtual functions and accessible non-virtual destructor [-Werror=non-virtual-dtor] C:\OpenCV\s.3\sources\modules\videoio\src\cap_dshow.cpp:139:11: error: base class 'struct IUnknown' has accessible non-virtual destructor [-Werror=non-virtual-dtor] interface IMPEG2PIDMap : public IUnknown ^ C:\OpenCV\s.3\sources\modules\videoio\src\cap_dshow.cpp:139:11: error: 'struct IMPEG2PIDMap' has virtual functions and accessible non-virtual destructor [-Werror=non-virtual-dtor] C:\OpenCV\s.3\sources\modules\videoio\src\cap_dshow.cpp:227:11: error: base class 'struct IUnknown' has accessible non-virtual destructor [-Werror=non-virtual-dtor] interface ISampleGrabberCB : public IUnknown ^ C:\OpenCV\s.3\sources\modules\videoio\src\cap_dshow.cpp:227:11: error: 'struct ISampleGrabberCB' has virtual functions and accessible non-virtual destructor [-Werror=non-virtual-dtor] C:\OpenCV\s.3\sources\modules\videoio\src\cap_dshow.cpp:239:11: error: base class 'struct IUnknown' has accessible non-virtual destructor [-Werror=non-virtual-dtor] interface ISampleGrabber : public IUnknown ^ C:\OpenCV\s.3\sources\modules\videoio\src\cap_dshow.cpp:239:11: error: 'struct ISampleGrabber' has virtual functions and accessible non-virtual destructor [-Werror=non-virtual-dtor] C:\OpenCV\s.3\sources\modules\videoio\src\cap_dshow.cpp:646:7: error: base class 'struct ISampleGrabberCB' has accessible non-virtual destructor [-Werror=non-virtual-dtor] class SampleGrabberCallback : public ISampleGrabberCB{ ^ cc1plus.exe: some warnings being treated as errors modules\videoio\CMakeFiles\opencv_videoio.dir\build.make:187: recipe for target 'modules/videoio/CMakeFiles/opencv_videoio.dir/src/cap_dshow.cpp.obj' failed mingw32-make[2]: * [modules/videoio/CMakeFiles/opencv_videoio.dir/src/cap_dshow.cpp.obj] Error 1 CMakeFiles\Makefile2:4506: recipe for target 'modules/videoio/CMakeFiles/opencv_videoio.dir/all' failed mingw32-make[1]: [modules/videoio/CMakeFiles/opencv_videoio.dir/all] Error 2 makefile:148: recipe for target 'all' failed mingw32-make: ** [all] Error 2 but when i use opencv2.4, Cmake can built my library but when i want to link opencv to qt following error appear. my error when i use OpenCV 2.4 in below image (picture link)
and my ... |
