#include <opencv2/opencv.hpp> #include <iostream> #include <math.h> using namespace cv; Mat src, dst, map_x, map_y; const char* OUTPUT_TITLE = "remap demo"; int index = 0; void update_map(void); int main(int argc, char** argv) { src = imread(".//pic//kate.png"); if (!src.data) { printf("can not load image... "); return -1; } char input_win[] = "input image"; namedWindow(input_win, CV_WINDOW_AUTOSIZE); //转成灰度图 cvtColor(src, src, CV_BGR2GRAY); imshow(input_win, src); equalizeHist(src, dst); imshow("均衡化", dst); waitKey(0); return 0; }