opencv ROI操做

 

Range函數

 

copyTo 函數將小圖像複製到大圖像的制定區域

srcBw.copyTo(Temp(Range(1, m_Size.height + 1), Range(1, m_Size.width + 1)));

cv::floodFill(Temp, Point(0, 0), Scalar(255));

Mat cutImg;//裁剪延展的圖像

copyTo 函數將大圖像的制定區域複製到小圖像上 Temp(Range(1, m_Size.height + 1), Range(1, m_Size.width + 1)).copyTo(cutImg);