OpenCv 4.0.1, Cuda-6.5, G++, CMake , and an error, or 14...
Absolutely NO idea what is wrong here, or how to fix it. Any help would be greatly appreciated. Software: uname -ao: Linux tegra-ubuntu 3.10.40-grinch-21.3.4 #1 SMP PREEMPT Fri May 1 10:41:09 UTC 2015...
View Articleis it possible to build binary 32 bit of OpenCv_world345 with Cuda
is it possible to build binary 32 bit of OpenCv_world345 with Cuda?
View Articlebuild 4.01 with vs2017 + WITH_QT & WITH_OPENGL errors
OPENCV_EXTRA_MODULES_PATH : opencv_contrib-master/opencv_contrib-master/modules; ERRORS: Error LNK1104 cannot open file '..\..\lib\Debug\opencv_highgui401d.lib' opencv_perf_imgcodecs ; Error LNK1104...
View ArticleHDR Merge possible bug ?
I try in Python the example of the "memorial". There are two possibilities to call the merge: 1. Calibrate the response on images and times and use to use it for the merge 2. Do the merge directly on...
View ArticleArUco detection x-y axis values are extremely different
Hello. My problem is that I am trying to detect aruco markers. I need coordinates aruco centered so I implemented [this part of the...
View Articlecv::viz::Viz3d::spinOnce performances
Is there a way to optimize the performances of the viz::spinOnce(1, true) based on VTKRender? Should I get into the vtk renderer?
View ArticleHow to increase TOTAL_MEMORY for OpenCV JS?
I am using **opencv.js **. After some time working (about 1 min) it crashes and in the browser console, I see the following. Uncaught abort("Cannot enlarge memory arrays. Either (1) compile with -s...
View ArticleInstallation error: opencv_perf_features2d
- OpenCV => 3.4.3 - Operating System / Platform => Raspbian Stretch Hi, following the standard procedure on...
View ArticleOpenCV on Android crash if resolution of image for laplace is too small
Hello! I am working on a blur detection with OpenCV for Android and used following code found here which seemed to work correctly:...
View Articleopencv 4.0.1, build error if enabled openvx,skipSmallImagfes is not a member...
opencv version, opencv4.0.1 platform, arm64 cmake, 3.10 if Enabled OpenVX, build error as following, /home/b55880/work/opencv_pro/opencv/modules/imgproc/src/median_blur.cpp:994:44: error: expected...
View ArticleHow MAC compiles opencv4.0.1
1. I want each module to be a separate so. 2. In particular, delete JNI from Java. 3. It's better to have a specific compilation step
View ArticlePlotting opencv coordinate to android screen
How to plot coordinates given by opencv on particular color detection to android screen accurately
View Article[Ubuntu 18.04] how add opencv built from source to QT applications
I have built opencv 4 from source and I would like to add it to my QT5 application. source folder: /home/mike/opencv-4.0.1/ build folder: /home/mike/opencv-4.0.1/build/ I tried to define the below...
View ArticleBGR to Lab conversion issue
Hi all, I wrote the code for RGB to lab color conversion for cuda by using mathematical formulae which are mentioned in the OpenCV documentation but when I compare the l ,a ,b values from the cvColor...
View ArticleImage Classification
I am trying to classify two kinds of images as follows: (1) (2) classes can be called unscrewable/screwable. The...
View ArticleTaking 5 pictures in difference of 400 ms
Hi all, I'm new in opencv for android and I'm trying to take 5 pictures every 400 ms and save them. Here is what I did: > btn_ok = findViewById(R.id.btn_ok); btn_ok.setOnClickListener(new...
View ArticleFiltering a video with python
Hello I'd like to filter a video mp4 with IPython using openCV. Meaning turning a video with color to a white and black video. How can I do that ? Is there any tutorial about it please ? Thanks in...
View ArticleDense Optical flow from sparse motion vectors
Hi community, I created a sparse optical flow (vector field) from KLT but I want to extend this to a dense optical flow (like Gunnar Farnback is doing). I found the function...
View ArticleLinking prebuilt opencv static library in Android.mk
Hi I am trying to link prebuilt external/opencv3 libopencv_core.a in the Android tree to my project that's also in the tree. I get the following error ninja: error:...
View Article[Opencv4] Settings.write not working Incorrect element name {; should start...
I am just trying to perform chessboard camera calibration based on [camera...
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