程序运行出现vector subscript out of range

[无所畏惧的巨人]

#include"opencv2/core/core.hpp"
#include"opencv2/highgui/highgui.hpp"
#include"opencv2/imgproc/imgproc.hpp"
#include"iostream"
#include"vector"
using namespace std;
using namespace cv;

int getA(Mat& src, Mat &dark)
{
int row=src.rows;
int col=src.cols;
vector<uchar>list;
for(int i=0;i<row;++i)
{
for(int j=0;j<col;++j)
{
list.push_back(dark.at<uchar>(i,j));
}
}
sort(list.begin(),list.end());
int thresh=list[0.999*row*col];
vector<uchar>list1;
int k=0;
for(int i=0;i<row;++i)
{
for(int j=0;j<col;++j)
{
if(dark.at<uchar>(i,j)>thresh)
list1.push_back(src.at<uchar>(i,j));
++k;
}
}
int Sum=0;
for(int i=0;i<k;++i)
{

Sum=Sum+list1[i];
}
int A;
A=Sum/k;
return A;
}
Mat getMax(Mat& src)
{
Mat image(src.size(),CV_8UC1);
int row=src.rows;
int col=src.cols;
for(int i=0;i<row;i++ )
{
for(int j=0;j<col;j++)
{
Vec3b intensity=src.at<Vec3b>(i,j);
image.at<uchar>(i,j)=intensity.val[0];
if(image.at<uchar>(i,j)<intensity.val[1])
image.at<uchar>(i,j)=intensity.val[1];
else if(image.at<uchar>(i,j)<intensity.val[2])
image.at<uchar>(i,j)<intensity.val[2];

}
}
return image;
}

int main()
{
Mat srcImage=imread("G:\\study resource\\underwater_image\\haze18.jpg");
if(srcImage.empty())
return -1;
imshow("srcGray",srcImage);
Mat dstImage;
std::vector<Mat>vInts(3);
split(srcImage,vInts);
imshow("dstImageB",vInts[0]);
imshow("dstImageG",vInts[1]);
imshow("dstImageR",vInts[2]);
int row,col;
row=srcImage.rows;
col=srcImage.cols; //get dark image
Mat dark(srcImage.size(),CV_8UC1);
for(int i=0;i<row;i++ )
{
for(int j=0;j<col;j++)
{
Vec3b intensity=srcImage.at<Vec3b>(i,j);
dark.at<uchar>(i,j)=intensity.val[0];
if(dark.at<uchar>(i,j)>intensity.val[1])
dark.at<uchar>(i,j)=intensity.val[1];
else if(dark.at<uchar>(i,j) > intensity.val[2])
dark.at<uchar>(i,j) < intensity.val[2];

}
}
imshow("dark",dark); // end
Mat dst(dark.size(),CV_8UC1); //dark image经过最小值滤波后图像begin
int radius=7; //窗口半径
vector<uchar>vlist;
for(int i=radius;i<row-radius;++i)
{
for(int j=radius;j<col-radius;++j)
{
for(int pi=i-radius;pi<=i+radius;pi++)
{
for(int pj=j-radius;pj<=j+radius;pj++)
{
vlist.push_back(dark.at<uchar>(pi,pj));
}
}
sort(vlist.begin(),vlist.end());
dst.at<uchar>(i,j)=vlist[0];
vlist.clear();
}
} //end

//求环境光A
Mat Aimage=getMax(srcImage);
int A=getA(Aimage,dark);
cout<<"a"<<A<<endl;

imshow("dst",dst);
waitKey(0);
return 0;
}

[赵4老师]

代码功能归根结底不是别人帮自己看或讲解或注释出来的；而是被自己静下心来花足够长的时间和精力亲自动手单步或设断点或对执行到某步获得的中间结果显示或写到日志文件中一步一步分析出来的。 提醒：再牛×的老师也无法代替学生自己领悟和上厕所！ 单步调试和设断点调试（VS IDE中编译连接通过以后，按F10或F11键单步执行，按Shift+F11退出当前函数；在某行按F9设断点后按F5执行停在该断点处。）是程序员必须掌握的技能之一。