《学习OpenCV》练习5-4_解释cleandiff与dirtydiff的区别。-优快云博客

本文链接：https://blog.youkuaiyun.com/C_Freed/article/details/19248857

本文介绍了一个利用OpenCV库进行图像处理的基本流程，包括加载图像、计算图像差异、并展示处理结果。通过对比两张源图像，实现图像间的差异分析。

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#include "cv.h"
#include "highgui.h"
#include "stdio.h"

//*****************************************************
//主函数
//*****************************************************
int main()
{
	/*载入源图像*/
	IplImage* src1 = cvLoadImage( "homework_1.jpg" );
	IplImage* src2 = cvLoadImage( "homework_2.jpg" );

	/*判断是否出错*/
	if (!src1 || !src2)
	{
		if (!src1)
			printf( "failed to load %d.\n", "homework_1.jpg" );
		if (!src2)
			printf( "failed to load %d.\n", "homework_2.jpg" );
		return -1;
	}

	/*创建图像空间*/
	IplImage* differ12 = cvCreateImage( cvGetSize(src1), IPL_DEPTH_8U, 3 );
	IplImage* cleandiff = cvCreateImage( cvGetSize(src1), IPL_DEPTH_8U, 3 );
	IplImage* dirtydiff = cvCreateImage( cvGetSize(src1), IPL_DEPTH_8U, 3 );

	/*创建并命名窗口*/
	cvNamedWindow( "differ12", CV_WINDOW_NORMAL );
	cvNamedWindow( "cleandiff", CV_WINDOW_NORMAL );
	cvNamedWindow( "dirtydiff", CV_WINDOW_NORMAL );

	/*图像处理*/
	cvAbsDiff( src1, src2, differ12 );					//differ12 = |src1 - src2|

	cvErode( differ12, cleandiff );
	cvDilate( cleandiff, cleandiff );					//对differ12先进行腐蚀，然后进行膨胀操作（开运算），赋给cleandiff

	cvDilate( differ12, dirtydiff );
	cvErode( dirtydiff, dirtydiff );					//对differ12先进行膨胀，然后进行腐蚀操作（闭运算），赋给dirtydiff

	/*显示图像*/
	cvShowImage( "differ12", differ12 );
	cvShowImage( "cleandiff", cleandiff );
	cvShowImage( "dirtydiff", dirtydiff );

	/*释放内存与销毁窗口*/
	cvWaitKey(0);
	cvReleaseImage( &differ12 );
	cvReleaseImage( &cleandiff );
	cvReleaseImage( &dirtydiff );
	cvDestroyAllWindows();

	return 0;
}