“CV_GRAY2BGR”: 未声明的标识符 “CV_GRAY2BGR”: 未声明的标识符解决方法:添加头文件:#include <opencv2\imgproc\types_c.h>版权声明:本文为jacke121原创文章,遵循CC 4.0 BY-SA版权协议,转载请附上原文出处链接和本声明。原文链接:https://blog.csdn.net/jacke121/article/details/100917807