连通域降噪（转载）
作者：互联网
原文链接：https://blog.csdn.net/ysc6688
void ContoursRemoveNoise(cv::Mat & srcImage)
{
int i, j;
int color = 1;
int nRows = srcImage.rows;
int nCols = srcImage.cols;
for (i = 0; i < nRows; ++i)
{
for (j = 0; j < nCols; ++j)
{
if (!srcImage.at<uchar>(i,j))
{
floodFill(srcImage, cv::Point(j, i), cv::Scalar(color));
color++;
}
}
}
int ColorCount[255] = { 0 };
for (i = 0; i < nRows; ++i)
{
for (j = 0; j < nCols; ++j)
{
if (srcImage.at<uchar>(i, j) != 255)
{
ColorCount[srcImage.at<uchar>(i, j)]++;
}
}
}
for (i = 0; i < nRows; ++i)
{
for (j = 0; j < nCols; ++j)
{
if (ColorCount[srcImage.at<uchar>(i, j)] <= 20)
{
srcImage.at<uchar>(i, j) = 255;
}
else
{
srcImage.at<uchar>(i, j) = 0;
}
}
}
}
标签：srcImage,连通,nCols,++,降噪,nRows,int,ColorCount,转载 来源： https://blog.csdn.net/kenfan1647/article/details/99737353