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Merge branch '3.4' into merge-3.4

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This commit is contained in:
Alexander Smorkalov
2023-06-23 20:12:58 +03:00
parent aff420329c d9a5603fa3
commit bf06bc92aa
3 changed files with 33 additions and 3 deletions
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modules/core/include/opencv2/core/mat.hpp
+23 -2
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@@ -1289,15 +1289,36 @@ public:
t(); // finally, transpose the Nx3 matrix.
// This involves copying all the elements
@endcode
3-channel 2x2 matrix reshaped to 1-channel 4x3 matrix, each column has values from one of original channels:
@code
Mat m(Size(2, 2), CV_8UC3, Scalar(1, 2, 3));
vector<int> new_shape {4, 3};
m = m.reshape(1, new_shape);
@endcode
or:
@code
Mat m(Size(2, 2), CV_8UC3, Scalar(1, 2, 3));
const int new_shape[] = {4, 3};
m = m.reshape(1, 2, new_shape);
@endcode
@param cn New number of channels. If the parameter is 0, the number of channels remains the same.
@param rows New number of rows. If the parameter is 0, the number of rows remains the same.
*/
Mat reshape(int cn, int rows=0) const;
/** @overload */
/** @overload
* @param cn New number of channels. If the parameter is 0, the number of channels remains the same.
* @param newndims New number of dimentions.
* @param newsz Array with new matrix size by all dimentions. If some sizes are zero,
* the original sizes in those dimensions are presumed.
*/
Mat reshape(int cn, int newndims, const int* newsz) const;
/** @overload */
/** @overload
* @param cn New number of channels. If the parameter is 0, the number of channels remains the same.
* @param newshape Vector with new matrix size by all dimentions. If some sizes are zero,
* the original sizes in those dimensions are presumed.
*/
Mat reshape(int cn, const std::vector<int>& newshape) const;
/** @brief Transposes a matrix.