Unhandled exception at 0x00007FFE7BFD8A5C in wb.exe: Microsoft C++ exception: std::out_of

在执行C++ imshow代码是出现如下错误：

第一次类似报错：另一个报错博文中中执行imshow函数时的报错

第二次该类报错：

[cpp] view plaincopy print?

vector<Mat> channels;
split(ycbr, channels);
Lu = channels.at(0);
Cr = channels.at(1);
Cb = channels.at(2);
alpha = channels.at(3);
imshow("Lu", Lu);
//waitKey(600);

Unhandled exception at 0x00007FFE7BFD8A5C in wb.exe: Microsoft C++ exception: std::out_of_range at memory location 0x000000C38835CD40.

[cpp] view plaincopy print?

Mat ycbr = Mat::zeros(row, col, CV_8UC4);

[cpp] view plaincopy print?

split(ycbr, channels);

原因：检查channels的vector向量尺寸，发现 size == 3，虽然ycbr定义时候定义为 CV_8UC4，是4通道，但是由split函数进行通道分割后，只产生了三个channel。因此，出现

[cpp] view plaincopy print?

alpha = channels.at(3); 导致报错哦~~~~

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</pre><img src="https://img-blog.csdn.net/20161013102228843?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" /><img src="https://img-blog.csdn.net/20161013102243796?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast" alt="" />解决方案：<pre name="code" class="cpp">//alpha = channels.at(3); // 问题所在

第三次出现类似报错：

[cpp] view plaincopy print?

vector<int> Ciny,Ciny2;
sortIdx(Ciny,Ciny2,SORT_DESCENDING);

报错如下图：

报错具体原因：

sortIdx() 输入参数 mat 是可以的，如： http://blog.csdn.net/qing101hua/article/details/52817373 中第一个示例

但是vector 不行

解决：暂无

第四次报错：

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Rect rect(tst.rows-10, tst.cols - 10, 3, 8);
cout << "rect : " << rect << endl;
Mat roiTst = tst(rect);

Unhandled exception at 0x00007FFE7BFD8A5C in wb.exe: Microsoft C++ exception: std::out_of_range at m相关推荐

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Unhandled exception at 0x00007FFE7BFD8A5C in wb.exe: Microsoft C++ exception: std::out_of_range at m

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