opencv4库文件，可以有效提高图像处理工作者的编程效率。使用时要包含cv.h，ipl.h和highgui.h三个头文件。-opencv4 libraries can effectively improve the image processing workers programming efficiency. Used to contain cv.h, ipl.h and highgui.h three headers.

基于Opencv4.2实现的离散小波变换及其逆变换，编程环境visual studio 2010，编程语言c-DWT based on opencv4.2 with visual studio 2010 and C++