Fail to build
My setup is Windows 10, MingGW-64, cmake 3.11.1 win64, lastest stable opencv and contrib. After following the guide here...
View ArticleBuilding OpenCV on Raspberry Pi fails
Hi, i used this tutorial for installing OpenCv with Contrib modules on my Raspberry Pi 3 model 2: http://www.life2coding.com/install-opencv-3-4-0-python-3-raspberry-pi-3/ but it fails at 65%. I use...
View ArticleAndroid ABI
Hello, I'm wondering if anyone uses OpenCV with android and tries to add an extra module from OpenCV Contrib library, Do you face a problem with ABI Supported (X86 - X86_64 - arm64 are not found ) what...
View ArticleCompiling OpenCV with ffmpeg GPU support
i am trying to get FFMPEG to use GPU to improve the speed of my program. I got FFMPEG from cloning https://git.ffmpeg.org/ffmpeg.git and followed the steps here https://developer.nvidia.com/ffmpeg to...
View ArticleCheck if opencv is using the GPU enabled FFMPEG
I am trying to use the GPU version of ffmpeg with opencv. I got the GPU enabled version of FFMPEG from cloning https://git.ffmpeg.org/ffmpeg.git . I compiled opencv by specifying the paths of the GPU...
View ArticleError in building OpenCV
Hi, I am trying to build OpenCV (with contribe modules and cuda enabled) from scratch. I do this job more than ten times and I used it successfully but this time there is an error I do not recognize...
View Articlelibpng is linked despite being excluded in cmake
I'm trying to generate very compact version of OpenCV and it generally works except libpng (8 MB) cannot be striped out of the resulting binary (iOS Framework), despite having specified...
View ArticleC:\Users\m\AppData\Local\Temp\ccS5IfdC.s|20393|Error: invalid register for...
I am trying to use OpenCV 3.4.1 on Windows 10 with CodeBlocks. So I downloaded mingw64(`x86_64-8.1.0-release-posix-seh-rt_v6-rev0`), and used CMake to configure and generate `opencv.cbp` successfully....
View Articlefailing build opencv and opencv_contrib on Jetson TX2
I'm trying to install OpenKAI on TX2, and install opencv like this : `git clone https://github.com/opencv/opencv.git git clone https://github.com/opencv/opencv_contrib.git cd ~/opencv mkdir build cd...
View Articlefailed to build through the scripte of the platforms/android/build_sdk.py
../platforms/android/build_sdk.py --no_ccache --config=ndk-16.config.py --ndk_path=/Users/cy/mytools/android-ndk-r18 --sdk_path=/Users/cy/mytools/android-sdk --extra_modules_path=./stork Args:...
View ArticleHow do I compile a C program that contains a OPENCV header file?h
What can I do to include a custom OPENCV and then use EMCC to package it into a wasm file?
View ArticleHow do I properly build Android OpenCV from sources?
The end goal is to build opencv with contrib for Android, but i cant seem to get the build_sdk.py script to even work without the --extra_pack flag I've downloaded build Tools 25.0.3, sdk tools...
View ArticleHas anyone built OpenCV with CUDA compute 7.0?
I'm currently attempting to build OCV with CUDA compute level 7.0 enabled using visual studio 2017, and I keep getting an error I see that in the latest cuda cmake file, Volta/7.0 have been added, but...
View ArticleCmake with TBB on win64 (unfamiliar cmake gui fields)
I tried to follow instructions here https://perso.uclouvain.be/allan.barrea/opencv/cmake_config.html to run cmake gui with tbb enabled. However, instead of the expected fields (after second configure)...
View ArticleIs it possible to build OpenCV 3.4.2 as a 64-bit Windows dll?
Our Windows app is using too much memory to be run as 32-bit. We'd like to switch to 64-bit but are limited by OpenCV being built as a 32-bit dll. I've been told a 64-bit Windows app can't call a...
View ArticleError during installation of built opencv with CUDA
I am trying to build opencv library from source. Here some platform information: Ubuntu 16.04, gcc version 5.4.0, CUDA version 8 I added this flags for compilation: -D ENABLE_CXX11=ON -D...
View ArticleError while compiling OpenCV Pre-Release 4.0.0 with CMAKE
[ 86%] Built target opencv_calib3d_pch_dephelp [ 86%] Built target pch_Generate_opencv_calib3d [ 88%] Built target opencv_calib3d [ 88%] Built target opencv_perf_calib3d_pch_dephelp [ 88%] Built...
View ArticleI get build error while building OpenCV and OpenCV_Contrib from the source on...
I'm building OpenCV on Linux with OpenCV_contrib and I can't make it work. OpenCV alone can build with no errors. > cmake -D > OPENCV_EXTRA_MODULES_PATH=../../opencv_contrib-3.4/modules .....
View ArticleHelp to build only selected modules for android
I am trying to build *.so files for android modules which iam looking are core,imgproc and java files. Below code works fine it generates java wrapper files which here is "libopencv_java400.so" cmake...
View Articleconda can't find cv2 lib located at...
I have compiled opencv from source and used following flag to install it in anaconda lib path ``` -DCMAKE_INSTALL_PREFIX=/opt/conda -DCMAKE_BUILD_TYPE=Release (blah blah) ``` after running `make...
View Article