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我加載小圖像。如何在OpenCv C++中將圖像添加到圖像中
Mat extra;
extra = imread("Korona.jpg");
我從相機加載圖像,我嘗試添加我的圖像。
VideoCapture cap;
Mat frame;
cap >> frame;
cv::Rect roi(cv::Point(0, 0), cv::Size(110, 110));
cv::Mat destinationROI = img(roi);
extra.copyTo(destinationROI(cv::Rect(0, 0, extra.cols, extra.rows)));
但沒有成功,並且有這樣的錯誤:
OpenCV Error: Assertion failed (0 <= roi.x && 0 <= roi.width && roi.x + roi.width <= m.cols && 0 <= roi.y && 0 <= roi.height && roi.y + roi.height <= m.rows) in cv::Mat::Mat, file C:\build\master_winpack-build-win64-vc14\opencv\modules\core\src\matrix.cpp, line 522
任何想法?謝謝。
該錯誤表明您的'roi'尺寸大於源'Mat'讀取的JPG大小是多少? – EdChum
extra.copyTo(img(cv :: Rect(5,5,11,11)));我嘗試這個,但有這個錯誤penCV錯誤:斷言失敗(scn == 3 || scn == 4)在cv :: cvtColor,文件C:\ build \ master_winpack-build-win64-vc14 \ opencv \ modules \ imgproc \ src \ color.cpp,行9716 – Masa
什麼是'img'?該聲明不在您的代碼中... – Rama