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cv mat cloneThe class Mat_<_Tp> is a thin template wrapper on top of the Mat class. It does .Mat_ (int _rows, int _cols, _Tp *_data, size_t _step= AUTO_STEP) constructs .
cv mat clone Simply use .clone() function of cv::Mat: cv::Mat source = cv::imread("basic_shapes.png"); cv::Mat dst = source.clone(); This will do the trick. You are making an image with one channel only (which means . Mat::copyTo is for when you already have a destination cv::Mat that (may be or) is already allocated with the right data size. Mat::clone is a convenience for when you .cv::Mat::clone() method can be used to get a full (a.k.a. deep) copy of the matrix when you need it. by constructing a header for a part of another matrix. It can be a single row, .Mat_ (int _rows, int _cols, _Tp *_data, size_t _step= AUTO_STEP) constructs a matrix on top of user-allocated data. step is in bytes (!!!), regardless of the type. Mat_ (int _rows, int _cols, const _Tp &value) .Mat F = A. clone (); Mat G; A. copyTo (G); Now modifying F or G will not affect the matrix pointed by the Mat header. What you need to remember from all this is that:cv mat clone 1. 使用`clone()`函数：`clone()`函数会创建一个新的`cv::Mat`对象，并复制原始对象的数据和元信息。这是一个深拷贝操作。 ```cpp cv::Mat src = cv::imread("image.jpg.
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cv mat clone