Help Regarding Setup Windows Universal App Using Open CV Module
Experts advice needed on setting up all the things[,](http://softlay.net)I want to design windows universal app using Open CV module
View ArticleWhy does changing the order of build arguments matter?
I've been struggling with a simple hello-world style opencv application in c++, and while it compiles fine, it wouldn't link due to unresolved references to any cv function (OutputArray, waitKey, etc)...
View Articlehow to use python to detect ellipse
I want to detect the simple shapes in an image. I use cv2.approxPolyDP to detect vertices, but the result of ellipse is 4, same as square, how to differ them? Or, how to detect an ellipse, given the...
View ArticleHow do I get hold of OpenCV 2.4.8
Hi all, I am wanting to run a programme called Microsoft zootracer, but to do this it requires some folders from OpenCV 2.4.8 I can not find this anywhere (other versions do not seem to work). Does...
View ArticleProblem with OcrTesseract class.
Hello everyone, I hope you are all well. I have installed opencv with extra modules with help of this...
View ArticleHow to remove green color i.e. to set it to 0 in an image?
I am having an image and wish to remove the green color in it i.e. to set it to value 0. How to do that?
View ArticlePR Curve for Cascade w/ detectMultiScale3: Never Completes
I have a custom trained cascade and using detectMultiScale I am able to sweep over my test set (128 images) for the best performing scale and neighborhood parameters in a minute or two. I am getting a...
View ArticleTracking an object via OpenCV
I am trying to track an object and mask (a CODE in this case) using OpenCV and Python. As example I am using this video: https://www.dropbox.com/s/eu01hxoxmd3ns5f/capture-3.mp4?dl=0 What I need is to...
View Articlechoose features of different feature desciptors
Hi , I have more than 4 type of things (knife, spoon, fork etc...) train images. I have to obtain different feature extraction algorithm performance and different learning algorithm (ie. SIFT, SURF,...
View ArticleVideo Streaming from webcam and image processing with Python
I'm using the multiprocessing module in python to help speed up my main program. However I believe I might be doing something incorrectly, as I don't think the computations are happening quite in...
View ArticleHow to fix libpng vulnerability for Play Store
Hi, I'm using OpenCV threw another library (scanlibrary) in an android app. For few weeks Play Store tell me that my APKs are not secure. I searched over the Internet for an answer that works with my...
View Articlewhich version of opencv should i use with visual studio 2015
hi, which version of opencv should i use with visual studio 2015
View ArticleNot able to install OpenCV3.1 in Ubuntu16.04 (CUDA 8.0)
I followed instruction from http://docs.opencv.org/3.1.0/d7/d9f/tutorial_linux_install.html and when I tried to install I got following error:> [ 71%] Built target opencv_createsamples> [ 71%]...
View ArticleERFilter_Train in Visual studio C++
HI All, I found [this Library](https://github.com/lluisgomez/erfilter_train) for extending and training our own NM Classifiers but how to build it in Visual studio c++,CMake was successful and i am...
View Articlecreate an overlayer in an image
I would like create an overlayer in an video like this image: https://karanbalkar.com/wp-content/uploads/2013/12/barcode_scanner.png how can I create that?
View ArticleAndroid Studio, binarization and morphology. with OpenCV
Hello, I'm new to the forum, I program under **android studio**, but I'm new in **OpenCV**, and I need to create an application that apply some filters to an image, especially the **binarization and...
View Articlein android studio is the same code of pure java?
i need make a little app in android studio that make a image in binary, but only find code in java pure, i can use this?
View Articleopencv Python interface crashes while terminating
Hi - I installed opencv 3.1 on ubuntu 16.04 with contrib modules. I used cmake (with the following options) to generate the makefile. I used CUDA_NVCC_FLAGS="-D_FORCE_INLINES" for a GCC 5.4 issue with...
View ArticleHow to read a series of images with python using OpenCV?
I don't know the way to load multiple images with python using OpenCV's API
View Article