[Solved] How can I access each pixel in OpenCV, perform an operation and return the new information to the image?

I think that this code you could use int nl= image.rows; int nc= image.cols * image.channels(); for (int j=0; j<nl; j++) { uchar* data= image.ptr<uchar>(j); for (int i=0; i<nc; i++) { data[i]= data[i]/div*div + div/2; } } solved How can I access each pixel in OpenCV, perform an operation and return the new information to … Read more

[Solved] Get the largest, average and smallest value [closed]

Since you tagged this with C++, I would use std::vector objects mixed with the std::sort() algorithm for making it easy to find these stats. Here’s a simple example. #include <algorithm> #include <iostream> #include <vector> int main() { std::vector<float> numbers = { 1, 4, 3, 2 }; std::sort(numbers.begin(), numbers.end()); // numbers = { 1, 2, 3, … Read more