Please bear with me as this is my first post to stack overflow. I am attempting to learn rust with a fairly elementary background in OpenCV through p ...
Please bear with me as this is my first post to stack overflow. I am attempting to learn rust with a fairly elementary background in OpenCV through p ...
I have custom build opencv 4.0.1 with Cuda 9.2 and QT 5.9.6 for my project based on image processing. In the application there is a need of user input ...
I recently migrated from OpenCV3.3 to the latest version OpenCV4 on my Ubuntu 18.04 LTS. I have some persistent issues with the installation. My insta ...
Objective and problem I'm trying to process a video file on the fly using OpenCV 3.4.1 by grabbing each frame, converting to grayscale, then doing Ca ...
IMPORTANT: I fixed the problem. Solution at the end. What do I try to achieve? Display an image with OpenCV cv::imshow method. (imshow Documentation) ...
I am learning OpenCV using Java and I wanted to create an application that reads an image from file and displays it on the screen. I've seen few threa ...
I'm getting the following error: If I had installed via cmake I think I would only need to make sure the WITH_QT flag is set to WITH_QT=ON and reco ...
I am trying to read the unicode value of a pressed Arabic key using the waitkey() function on a Mac keyboard, this function only reads the ASCII code ...
I'm trying to read multiple images from a file using OpenCV. The current code I have can only read one image at a time I'd like to load the images ...
I have a program correctly compiling and working on a machine and I'm trying to run it on another similar machine: same OS (Debian Stretch), same rela ...
I am trying to install the highgui module of opencv so that I can get a Qt Creator project to run properly. However, continued searching of the intern ...
I write in Android Studio on Windows. And I use OpenCV in my native c++ code.When calling the function, I get this error in logcat: "OpenCV Error ...
I'm trying to run a simple code using openCV but I keep getting this errors. error: undefined reference to `cvCreateFileCapture' error: undefine ...
I was trying to compile OpenCV 3.0 in java netbeans but there was an error: package org.opencv.highgui does not exist After a bit of research I came t ...
I want to match a template (small image) in a given picture using Opencv. I found the following code from this port: OpenCV Template Matching example ...
I want to create an android application. Program steps are below Open camera Get frames Select a frame by touch screen Load template image u ...
I tried reading an image from drawable folder. I am using eclipse ide. I ran the below code but the image was not loaded. The code is taken from here ...
I am using visual studio 2012.i got the error I have tried modifying the property to match with my open_cv application requirement. ...
I have a c++ console application which creates an opencv window. I'm using cvWaitKey(1) in order to catch keyboard key presses. Here's what I would ...
In OpenCV, it seems a double-click action also triggers a single-click event. Here is a sample code. The single_click() is always called before double ...