《学习opencv》笔记——矩阵和图像操作——cvAnd、cvAndS、cvAvg and cvAvgSdv

void cvAnd(  //将src1和src2按像素点取“位与运算”
	const CvArr* src1,//第一个矩阵
	const CvArr* src2,//第二个矩阵
	CvArr* dst,//结果矩阵
	const CvArr* mask = NULL;//矩阵经行像素点与的“开关”
);

#include <cv.h>
#include <highgui.h>
#include <stdio.h>

int main(int argc, char** argv)
{
	IplImage *src1, *src2,*src3;
	src1=cvLoadImage("1.jpg");
	src2=cvLoadImage("3.jpg");
	src3=cvLoadImage("4.jpg");


	cvAnd(src1,src2,src3);
	cvShowImage( "测试1", src1);
	cvShowImage( "测试2", src2);
	cvShowImage( "测试3", src3);
	cvWaitKey();
	return 0;
}

void cvAndS(//使src1与value进行 位与运算
	const CvArr* src1,//第一个矩阵
	CvScalar value,//运算标量
	CvArr* dst,//结果矩阵
	const CvArr* mask = NULL;//运算开关
);

#include <cv.h>
#include <highgui.h>
#include <stdio.h>

int main(int argc, char** argv)
{
	IplImage *src1, *src2,*src3;
	src1=cvLoadImage("1.jpg");
	src2=cvLoadImage("5.jpg");

	CvScalar cs;
	cs.val[1] = 100.0;
	cs.val[2] = 100.0;
	cs.val[0] = 100.0;
	cs.val[3] = 100.0;
	cvAndS(src1,cs,src1);
	cvShowImage( "测试1", src1);
	cvShowImage( "测试2", src2);

	cvWaitKey();
	return 0;
}

CvScalar cvAvg(//求出src的平均像素值
	const CvArr* src,//目标矩阵
	const CvArr* mark = NULL//像素开关
);

#include <cv.h>
#include <highgui.h>
#include <iostream>
#include <stdio.h>
using namespace std;

int main(int argc, char** argv)
{
	IplImage *src1;
	src1=cvLoadImage("1.jpg");

	CvScalar cs;
	
	cs = cvAvg(src1);

	cout<<cs.val[0] << endl;
	cout<<cs.val[1] << endl;
	cout<<cs.val[2] << endl;
	cout<<cs.val[3] << endl;

	getchar();
	return 0;
}

CvScalar cvAvg(//求像素平均值和标准差
	const CvArr* arr,//目标矩阵
	CvScalar* mean,//平均值
	CvScalar* std_dev,//标准差
	const CvArr* mark = NULL//像素开关
);

#include <cv.h>
#include <highgui.h>
#include <iostream>
#include <stdio.h>
using namespace std;

int main(int argc, char** argv)
{
	IplImage *src1;
	src1=cvLoadImage("1.jpg");

	CvScalar cs,cs1;
	
	cvAvgSdv(src1,&cs,&cs1);

	cout<<"平均值："<<endl;
	cout<<cs.val[0] << endl;
	cout<<cs.val[1] << endl;
	cout<<cs.val[2] << endl;
	cout<<cs.val[3] << endl;
	cout <<endl;
	cout <<"标准差"<<endl;
	cout<<cs1.val[0] << endl;
	cout<<cs1.val[1] << endl;
	cout<<cs1.val[2] << endl;
	cout<<cs1.val[3] << endl;

	getchar();
	return 0;
}