Error msg intalling opencv Python on window
Hi ,I am new to OpenCV. I am trying to install opencv-python for Windows. I literally followed instruction from this link: https://docs.opencv.org/3.2.0/d5/de5/tutorial_py_setup_in_windows.html When I...
View ArticleAssert error when trying to apply ROI to BackgroundSubtractorMOG2
Hi, Ive stuck in a problem that I cannot apply a ROI to the BackgroundSubtractorMOG2. if i put whole image or my ROI started from corner (0,0) everything is ok, but when I put the part of the image Ive...
View ArticleError with stereocalibrate function in python
Hi all ! I have a problem with the stereocalibrate function in python although calibrateCamera works well with the same structure of data (e.g. list of numpy arrays). The error is a system error : "...
View ArticleANN classification error
Good day everyone, thanks for taking the time to look into my question. I've started implementing an ANN classification based on OpenCV but I have this error: * error LNK2019: symbole externe non...
View ArticleD:\Opencv_Tools\opencv\sources\3rdparty\protobuf\src\google\protobuf\stubs\io...
I am trying to build opencv-3.4.1-vc14_vc15 in my windows 10 using cmake-3.10.2-win64-x64. First of all I tried using CMake to configure and generate the new_build files(using codeblocks minGW...
View Articleget errors while execute forward step with torch model
I have trained a torch model and it works well in torch/lua. And after I import it into opencv and excute the forward step, the following error occured: `"Incorrect size of input array in...
View Articleopen_cv core build fails
Hi, I am trying to build open cv with the following: 1. Visual Studio 2017 15.4.1 2. OS: Windows 8.1 64 bit 3. OpenCV 3.3.1 4. CMake 3.9.4 win64 x64 5. CUDA 9.0.176 Compute Capability 2.1 I generate...
View ArticleGetting this error - Can anyone assist please?
Good Morning all, I was looking for some advice - trying to run a python script utilising opencv 3.4.1 -However I'm getting the below error message. Can anyone help - as I don't know what it means?...
View ArticleHow do I properly add two Matrices?
I am having a problem making addition of two images, both are 255X255, and both are of type 8UC3 , but still I am getting this error: OpenCV Error: Sizes of input arguments do not match (The operation...
View ArticleDetecting video playback error
Hello all, I am attempting to detect playback error, notably during transitions of videos being displayed. The types of error include: - Video flickering (videos goes black, or goes white) -...
View ArticleOpenCV calibration vs. Matlab calibration accuracy
Hello, So I've programmed a simulation to project a plane onto a flat screen.   The red circle is...
View ArticleCan't Compile anything in manjaro
I have been trying to experiment with opencv in manjaro linux. Every time I create a new project in Code::Blocks and try to compile the example, it gives me the error...
View ArticleconvexHull error
I use vs2017 and opencv 3.0 x86 version. my code below: // Find convex hull vector hull1; vector hull2; vector hullIndex; convexHull(points2, hullIndex, false, false); points2's size is 68. but...
View Articleerror link2019
my opencv is 3.4.1 and use vs2017. I have add the .lib and folder and include path. but error is 严重性 代码 说明 项目 文件 行 禁止显示状态 错误 LNK2019 无法解析的外部符号 "public: void __cdecl cv::Mat::copyTo(class...
View ArticleOpenCV 3.4.1 & GCC5.1.0 with codeblocks in windows
Does this combination works ? OpenCV 3.4.1 + Contrib & GCC5.1.0 with codeblocks in windows. I am getting several errors while compiling. In cmake I have disabled matlab, examples, java, python,...
View ArticleCMake Error at cuda_compile_generated_gpu_mat.cu.o.cmake:266
Hello, i am trying to build OpenCV with the OpenCV-contrib modul. I am using a Mac (10.13.4) and my Cmake command is: I am using Clang 8.1 : > Apple LLVM version 8.1.0> (clang-802.0.42)...
View ArticleopenCV3 - Python Docs
Hello: I'm a bit lost. Recently switched to openCV 3.4.1 for Python 3.6.5. I previously used 2.4 with python 2.7. So I am finding a number of syntax changes when calling cv funtions in my python...
View Articleerror 2 compiling OpenCV3.4 with Cmake
Hi, i´m trying to compile OpenCV 3.4 with CMake 3.11.3 and when it reach 41% ( when is trying to compile window_w32.cpp which is inside highgui source code) i am getting several errors, for example:...
View ArticleCMake Error at cmake/OpenCVDetectCXXCompiler.cmake
Hello everyone! This is my first post. I'm having trouble with compiling OpenCV in openSUSE Tumbleweed. I get an error when I try to configure with both cmake-gui and cmake. Error is: CMake Error at...
View Articlecompiling error on TK1 board
Hello, I have build Opencv 3.3 on TK1 on single core. Then i started implementing the algorithm. Which were working fine. But then because of need i needed all the cores to work. then i made all cores...
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