make is failed: opencv_test_stab
I have ubuntu 16.04 with python 3.5 I am trying to install opencv without CUDA and the make is failed with the following error message: [C:\fakepath\opencv.png](/upfiles/15178466361645434.png)...
View ArticleWhy i am getting this error while building opencv3.4 with extra modules..Thanks
Im building opencv 3.4 with contrib module for java application using mingw32 and this error > "no rule to make bin/opencv-340.jar" at 99% of building comes out ..how can i fix this thank you
View ArticlePassing arguments to train_HOG.cpp
How do I pass these (http://answers.opencv.org/question/96925/how-to-use-train_hogcpp/) arguments to train_HOG.cpp? After compiling this...
View ArticleHow to do Nightly Build to the OpenCV for Windows?
I'm new to this OpenCV Library. I would like to know **how to do the nightly building process** for the *Opencv* code in *windows*. I have been checking with this to work on? But i don't get any...
View Articlednn build error via Mingw64
opencv 3.4 mingw64 eclipse oxygen windows 10 I'm getting these errors while building the dnn module. what's the cause of this error? [ 58%] Building CXX object...
View ArticleBuilding OpenCV 3.0 with OpenCV_Contrib for use with Facial Recognition in...
Hi, I have followed the steps (using gui version of cmake) shown [here](https://github.com/itseez/opencv_contrib) on how to build OpenCV with extra modules. My sole goal is to be able to use...
View Articlebuild INSTALL does not add package WINDOWS
Hey there, I want to build OpenCV from source on Windows and use the python bindings. My machine runs Windows 10, 64bit and have Anaconda installed with Python 3.6.4. I followed the official manual...
View ArticleBuilding OpenCV 3.4.1 from source [MinGW32, cmake 3.6.2, Qt 5.10, Windows 10]
Hello, I am trying to build OpenCV 3.4.1 from source using CMake (GUI) and MinGW. I didn't find another way to use the OpenCV library in Windows. I use Qt as programming environment and want to extend...
View ArticleBuild solution filed: Cannot open opencv_core340d.lib
#### **System information** - OpenCV => 3.4 - Operating System / Platform => Windows 64 Bit - Compiler => Visual Studio 2017 #### **Detailed description** I configured and generate CMake...
View ArticleOptimal performance CMake flags for android build
I am new to opencv and CMake and i am trying to use aruco markers in unity for my school project. Currently i am building my own shared object with cmake-gui and mingw so that i can use it into unity...
View ArticleRequest to FIX OpenCv 2.4.13.6 cmake source
Request to FIX OpenCv 2.4.13.6 cmake source to build OpenCv_World24136.DLL minimum build x86 vc12, because I can only build opencv_world with 3.x in vc14,vc15
View ArticleFreetype2 and Harfbuzz on WINDOWS for Python
Hey guys, Im using Python 3.5 Im using the latest version of CMake, MinGW, etc... Im trying to compile OpenCV with Freetype2. I git-cloned both the OpenCV and OpenCV-Contrib from source Lets say I...
View ArticleBuilding native libraries not working
When following the instructions for building native libraries for OpenCV with cmake, I don't get any /libs folder with the .so file and the .jar file isn't generated either. I'm following these steps:...
View ArticleAdding packages to Javascript WASM build
Hi, I'm using the Javascript WASM build target, and I wanted to expose more functionality. Exposing more methods in the existing packages (core, etc) is straightforward (i.e., I added "rotate" easily)....
View Articleopencv.js will not build
Hi, I followed the instructions given to download emsdk (https://kripken.github.io/emscripten-site/docs/getting_started/downloads.html) and opencv.js...
View ArticleCompile OpenCV with anaconda python
Hello, I am trying to compile opencv with anaconda python support (I need to use opencv in python). The pre-built packages available from conda channels (e.g. intel or conda-forge) are not usable for...
View ArticleBuilding a completely statically compiled OpenCV for Linux
I'm working on building a static version of OpenCV with CUDA enabled. I have `-D SHARED_LIBS=OFF -D CUDA_USE_STATIC_CUDA_RUNTIME=ON` which seems to be the flags I need to pass, but if I take the...
View Articlehow to install libopencv-imgcodecs-dev on ubuntu?
when I tried to built my project using Kdevelop, some evident errors was displayed at "build"tools view. ***/home/htf/slambook/ch7/triangulation.cpp: error: ‘CV_FM_8POINT’ was not declared in this...
View ArticleOpenCV 3.3.1 python wrapper CUDA support
I've just built and installed OpenCV with CUDA support from official sources and I'm unable to find any python wrapper module for **cudabgsegm or any other cuda header**. Is there is available cuda...
View Articlex86_64-unknown-linux-gnu/bin/ld: cannot find -lpthreads
I'm installing opencv 3.3 with centOS 6.9, gcc 4.8.5, cmake 3.11.1 ,cuda 9.0 and cudnn 7.0. I have been stuck on this question for quite a while. cmake error output as below....
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