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前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
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bf06bc92
编写于
6月 23, 2023
作者:
A
Alexander Smorkalov
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Merge branch '3.4' into merge-3.4
上级
aff42032
d9a5603f
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
33 addition
and
3 deletion
+33
-3
modules/core/include/opencv2/core/mat.hpp
modules/core/include/opencv2/core/mat.hpp
+23
-2
modules/core/src/parallel.cpp
modules/core/src/parallel.cpp
+2
-0
modules/dnn/src/layers/elementwise_layers.cpp
modules/dnn/src/layers/elementwise_layers.cpp
+8
-1
未找到文件。
modules/core/include/opencv2/core/mat.hpp
浏览文件 @
bf06bc92
...
...
@@ -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.
...
...
modules/core/src/parallel.cpp
浏览文件 @
bf06bc92
...
...
@@ -128,6 +128,8 @@
#include <ppltasks.h>
#elif defined HAVE_CONCURRENCY
#include <ppl.h>
#elif defined HAVE_PTHREADS_PF
#include <pthread.h>
#endif
...
...
modules/dnn/src/layers/elementwise_layers.cpp
浏览文件 @
bf06bc92
...
...
@@ -1100,7 +1100,14 @@ struct SigmoidFunctor : public BaseDefaultFunctor<SigmoidFunctor>
inline
float
calculate
(
float
x
)
const
{
return
1.
f
/
(
1.
f
+
exp
(
-
x
));
float
y
;
if
(
x
>=
0
)
y
=
1.
f
/
(
1.
f
+
exp
(
-
x
));
else
{
y
=
exp
(
x
);
y
=
y
/
(
1
+
y
);
}
return
y
;
}
#ifdef HAVE_CUDA
...
...
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