1.CV_RGB2GRAY2.CV_MINMAX3.CV_RGB2GRAY4.CV_FILLED引入头文件include<opencv2/imgproc/types_c.h>include<opencv2/opencv.hpp>include<opencv2/highgui/highgui_c.h>include<opencv2/imgproc/imgproc_c.h>或者1和3将CV_改为cv::COLOR_5.fatalerro