How to install OpenCV on Windows xp 32 bit
I'm using Windows xp 32bit, and I have installed python 3.4 on it.. But I'm getting problem to install OpenCV - python on my system. I have tried to copy .pyd file in site libraries too but still it's...
View ArticleError in importing cv2 - Dll load failed :the specified procedure could not...
I'm using python 3.4 and I have successfully installed numpy and open cv, and I can import numpy with no error. But while importing cv2 it's says - Dll load failed :the specified procedure could not be...
View ArticleImage Not Loading In OpenCV 4.x.x
I am not sure if I am the only one facing this issue. But In my machine, images are not loading in OpenCV 4.x.x. I have tried 4.0.0 (prebuilt x64 Windows binaries), 4.1.1(prebuilt x64 Windows binaries)...
View Articlesamples.findfile for loading photos
Hello, I've downloaded openCV for python and am using it on Microsoft Visual Studio and am trying to use the tutorials. Often, they fetch a picture, src2 =...
View ArticleOpenCv 4.1.2 Inference engin 2019 R3. readNetFromModelOptimizer crash
Windows 10. OpenCv 4.1.2 visual studio 2019 Openvino 2019 R3 Tensorflow SSD mobilenet Hi, I compiled opencv 412 with inference engine 2019 R3 by VS2019. I have a model ssd mobilinet that was optimized...
View ArticleHow can I resolve conflicting declaration 'typedef uint32_t uint' ?
I'm using OpenCV 3.2.0 compiled for eclipse using MinGW compiler. When I try to cross-compile a c++ OpenCV code for ARM architecture using GCC ARM compiler I'm getting this error...
View ArticleUnable to locate library file (running OpenCV4.1.2 using pre-built binaries...
- OS: Windows 10 Pro (64 bit) - OpenCV version: 4.1.2 - CodeLite: 13.0.4 - MingW-64: x86_64-8.1.0-posix-seh-rt_v6-rev0 1. Downloaded and extracted prebuilt binariy from [opencv releases...
View ArticleTypeError: 'NoneType' object is not iterable
Hello world, I am trying to activate a github code that uses OpenCV, and I got an error of a NoneType, Please I will appreciate any help !!!! github link:...
View ArticleTake 2: Building cv2_xxx.pyd for Windows x64/Python3.7
I've tried to simplify replicating this issue by using the command line version of cmake and the configuration script that can be found here. It is about as simple as possible. There are no obvious...
View ArticleCvCapture_MSMF::initStream Failed to set mediaType after switching to CUDA...
Yesterday I got set up with OpenCV (precompiled libraries for windows) and everything was working great! I had a little program that would read a video feed from my Valve Index, undistort each lens,...
View ArticleOpenCV Viz Module Unavailable (Cmake) - Windows 10
I can't seem to get the viz module to configure for some reason. Any suggestions? My Configuration: - Windows 10 OpenCV - master from git - OpenCV_contrib - master from git - VTK latest version...
View ArticleBuild OpenCV library from source for Android
Hello, I recently jumped on a OpenCV project and am trying to cross-compile OpenCV shared library .so from source for Android on Windows. I set up the environment with various tools. In CMake, I chose...
View Articlewhich version of OpenCV includes x86(32-bit) lib files? how should I use it?
I want to create project with OpenCV in Windows using visual studio also i want to build my project as x86(Win32) program. When I compile the program errors occur that show I don't have appropriate x86...
View ArticleDNxHD failing to load on windows?
I'm Using the pre-compiled FFMPEG which opencv uses by deafult for windows. I cannot get a DNxHD file to open as a cv::VideoCpature - either in a quicktime container or an MXF. I get a couple of "WinRT...
View ArticleOpenCV Lucas-Kanade object tracking: slow down in Windows
Hi, with some of my collegues I'm developing a program for the university. The probles is that in my Windows PC the program run very slower (3-4 times) than in my group mate PCs on Linux and MacOS....
View ArticleIs OpenCV allowed to use in windows user space driver of camera?
I saw in most of cases OpenCV was applied in applications. What if someone wants to add more post-processing effects in windows user space driver of camera(like MFT) so that other applications using...
View ArticleError to cross compile into arm64-v8a by CV 4.3.0
I use CMake-GUI with Newest NDK 21.2.6472646 on Windows 10. If I remove BUILD_opencv_java, CMake will finish. [ 98%] Built target gen_opencv_java_source [ 98%] Linking CXX shared module...
View Article"no element rtspsrc" gstreamer+opencv in win10
Hello, I'm trying to receive rtsp source from gstreamer, it can shows video stream correctly by enter this command line: ./gst-launch-1.0.exe -v rtspsrc location=rtsp://192.168.1.2:8554/test latency=0...
View ArticleCompiling OpenCv with CUDA support in Windows 10
Attempting to compile OpenCV with CUDA support in Windows 10. CUDA is installed correctly. Keep getting the following error(s) when compiling in Visual Studio. Can anyone suggest next troubleshooting...
View ArticleWarning: field of class type without a DLL interface used in a class with a...
Issue when building OpenCV 4.4.0 from source. When I build "ALL_BUILD" and "INSTALL" projects using VS2019 Windows10 I got 2000 somthing warnings (only warnings no errors at all) saying: "Warning:...
View ArticleWhere to find "opencv_shape440d.lib"
OS => Windows 10 64bit IDE => Visual Studio 2019 OpenCV Verison => 4.4 When i try to compile one of the example code provided in the OpenCV VIsual Studio Tutorial, it spits out a linking error...
View Articlecv:imwrite Python error with Windows: can't open file for writing: permission...
Hello, I am receiving an error message when I execute the code in Python with Windows10. ```` [ WARN:0] global...
View ArticleI'm having major issues with setting up h/w accelerated video capture on...
Normally I would switch to Linux, but due to the nature of the application I have no choice but to work with Win10. Currently, the only backend that I managed to make work was DirectShow. While it does...
View ArticleCannot convert image types using the C++ API
Using `OpenCV` I cannot convert the image type of a `cv::Mat` using the ```convertTo()``` function: screen_shot.convertTo(screen_shot, CV_8UC3); template_image.convertTo(template_image, CV_8UC3);...
View ArticleWindows 10 FFMPEG wrapper build instruction/project
Does anything exist which describes this? The readme.txt in 3rdparty/ffmpeg says: "* On Windows OpenCV uses pre-built ffmpeg binaries, built with proper flags (without GPL components) and wrapped with...
View ArticleLoading Tensorflow model. Error: Unspecified error (More than one input is...
**System information (version)** - OpenCV => 4.3 - Operating System / Platform => Windows 10 64 Bit - Compiler => Visual Studio 2017 - GPU NVIDIA GTX 1660 TI (6 GB) - Processor Intel Core...
View ArticleHow to enable Windows media foundation hardware acceleration on opencv.
Hi, My OpenCV application uses cv::CAP_MSMF flag for cv::VideoCapture, and in getBuildInformation() is added below. Is the application uses the Windows Media Foundation Hardware acceleration? or do I...
View ArticleRead video from usb/onboard camera using cv::cudacodec::VideoReader
Hi, How can we read video from an onboard/usb camera using opencv `cv::cudacodec::VideoReader`?
View ArticleIssue setting MJPEG format when capturing using CAP_MSMF
Hi, Using CAP_MSMF video capture I can't able to set MJPEG format. capture.set(cv::CAP_PROP_FOURCC, cv::VideoWriter::fourcc('M', 'J', 'P', 'G')); but this works when I use CAP_DSHOW video capture.
View ArticleHow can I check if the monitor is connected in Windows / Linux?
How can I check if the monitor is connected in Windows / Linux? The following program behavior is required, when I run my application: - if monitor is connected, then results will be showed in the...
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