C++【OpenCV】图片亮度色度归一化

#include <opencv2/highgui.hpp>
#include <opencv2/imgproc.hpp>
#include <iostream>using namespace cv;
using namespace std;int main()
{Mat image = imread("SrcMF.jpg");// 灰度、Gamma归一化亮度cv::Mat m_gray;cv::cvtColor(image, m_gray, cv::COLOR_BGR2GRAY);float Gamma = log(128.0 / 255.0) / log(cv::mean(m_gray)[0] / 255.0);cv::Mat lookUpTable = cv::Mat::zeros(cv::Size(1, 256), CV_8UC1);for (int i = 0; i < 256; i++)lookUpTable.at<uchar>(0, i) = pow(i / 255.0, Gamma) * 255.0;cv::LUT(image, lookUpTable, image);imwrite(path + "\\06.jpg", image);//转到LAB，统一色度Mat result;cv::Mat m_lab;cv::cvtColor(image, m_lab, cv::COLOR_BGR2Lab);std::vector<cv::Mat> split_lab;cv::split(m_lab, split_lab);cv::convertScaleAbs(split_lab[1], split_lab[1], 128.0 / cv::mean(split_lab[1])[0], 0.0);cv::convertScaleAbs(split_lab[2], split_lab[2], 128.0 / cv::mean(split_lab[2])[0], 0.0);cv::merge(split_lab, result);cv::cvtColor(result, result, cv::COLOR_Lab2BGR);imwrite("08.jpg", result);return 0;
}