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I am calibrate a C-arm X-ray image system use chessboard. Because of bad image quality, the image I...
I want to reverse the bits of grayscale images using opencv,is there any inbuilt function which...
What does the [ symbol mean? I see it in the parameter table but don't understand what it means....
I am doing heavy image processing in python3 on a large batch of images using numpy and opencv. I...
I have been having trouble trying to save a png image with sRGB and an alpha channel. I first crop...
Given sample code like in this previous question (error checking deleted for brevity): vx_image...
I was trying to implement a face recognition using Python, OpenCv2 and LBPH (Which is downloaded...
I am trying to run an image processing example in Hadoop. Hadoop Version: Hadoop...
I was wondering if there is any function in opencv (Java) equivalent to the Matlab interp2...
I'm trying to implement the following pseudo-code in C++ using Eigen: img_binary =...
I am using version 3.4.0 of opencv-python and have also installed the contrib package. I have...
I calculated the histogram of an RGB image. I have seen many tutorials on the internet that...
I am building opencv for Android using steps provided in this link: OpenCV on Android -...
My python code takes a screenshot of by desktop and looks for a red rectangle on a black...
I tried openCVjs tutorial in my local and everytime I load it I get error on console What I have...
I need to show my image after the ButtonPin2 is rising. However, when i run my code, my image show...
I am tring to get result from OpenCV KNN algorithm. First, it loads data from .csv file then it...
I'm working with eye tracking project and there I want to select each line of the given text (in a...
Using Windows 10, C++, VS2017, OpenCV As far as I'm aware, I've set up all the files, includes,...
I already tried to search about openCV ROI function, but All of them used rectangle roi...
I have read some of your articles and they have helped me a lot to know the ins and outs of...
I have a green colored point cloud of type PointXYZRGB. Originally, the point cloud was captured by...
I am currently working on a hobby project, which is video streaming from an IP camera (Giroptic...
I want to develop an App which uses the camera of the phone. I am setting up the environment and...
I have using camshift method from python opencv to track the object after the detection. Is there a...
According to documentation the parameters of caliberateCamera functions are as...
#include "opencv2/opencv.hpp" using namespace cv; int main(int, char**) { VideoCapture...
I have a black and white image, of a text document. I want to be able to get a list of the bounding...
After the InRange and GaussianBlur function, I get the following image: I find the edges and I...
I'm trying to install OpenCV on my Mac (OS High Sierra), following the tutorial here with some...