mirror of https://github.com/opencv/opencv.git
Open Source Computer Vision Library
https://opencv.org/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
306 lines
8.9 KiB
306 lines
8.9 KiB
Per-element Operations |
|
======================= |
|
|
|
.. highlight:: cpp |
|
|
|
|
|
|
|
.. index:: gpu::add |
|
|
|
gpu::add |
|
------------ |
|
.. ocv:function:: void gpu::add(const GpuMat& src1, const GpuMat& src2, GpuMat& dst) |
|
|
|
.. ocv:function:: void gpu::add(const GpuMat& src1, const Scalar& src2, GpuMat& dst) |
|
|
|
Computes a matrix-matrix or matrix-scalar sum. |
|
|
|
:param src1: First source matrix. ``CV_8UC1``, ``CV_8UC4``, ``CV_32SC1``, and ``CV_32FC1`` matrices are supported for now. |
|
|
|
:param src2: Second source matrix or a scalar to be added to ``src1``. |
|
|
|
:param dst: Destination matrix with the same size and type as ``src1``. |
|
|
|
.. seealso:: |
|
:ocv:func:`add` |
|
|
|
.. index:: gpu::subtract |
|
|
|
gpu::subtract |
|
----------------- |
|
.. ocv:function:: void gpu::subtract(const GpuMat& src1, const GpuMat& src2, GpuMat& dst) |
|
|
|
.. ocv:function:: void gpu::subtract(const GpuMat& src1, const Scalar& src2, GpuMat& dst) |
|
|
|
Computes a matrix-matrix or matrix-scalar difference. |
|
|
|
:param src1: First source matrix. ``CV_8UC1``, ``CV_8UC4``, ``CV_32SC1``, and ``CV_32FC1`` matrices are supported for now. |
|
|
|
:param src2: Second source matrix or a scalar to be subtracted from ``src1``. |
|
|
|
:param dst: Destination matrix with the same size and type as ``src1``. |
|
|
|
.. seealso:: |
|
:ocv:func:`subtract` |
|
|
|
|
|
|
|
.. index:: gpu::multiply |
|
|
|
gpu::multiply |
|
----------------- |
|
.. ocv:function:: void gpu::multiply(const GpuMat& src1, const GpuMat& src2, GpuMat& dst) |
|
|
|
.. ocv:function:: void gpu::multiply(const GpuMat& src1, const Scalar& src2, GpuMat& dst) |
|
|
|
Computes a matrix-matrix or matrix-scalar per-element product. |
|
|
|
:param src1: First source matrix. ``CV_8UC1``, ``CV_8UC4``, ``CV_32SC1``, and ``CV_32FC1`` matrices are supported for now. |
|
|
|
:param src2: Second source matrix or a scalar to be multiplied by ``src1`` elements. |
|
|
|
:param dst: Destination matrix with the same size and type as ``src1``. |
|
|
|
.. seealso:: |
|
:ocv:func:`multiply` |
|
|
|
|
|
.. index:: gpu::divide |
|
|
|
gpu::divide |
|
--------------- |
|
.. ocv:function:: void gpu::divide(const GpuMat& src1, const GpuMat& src2, GpuMat& dst) |
|
|
|
.. ocv:function:: void gpu::divide(const GpuMat& src1, const Scalar& src2, GpuMat& dst) |
|
|
|
Computes a matrix-matrix or matrix-scalar sum. |
|
|
|
:param src1: First source matrix. ``CV_8UC1``, ``CV_8UC4``, ``CV_32SC1``, and ``CV_32FC1`` matrices are supported for now. |
|
|
|
:param src2: Second source matrix or a scalar. The ``src1`` elements are divided by it. |
|
|
|
:param dst: Destination matrix with the same size and type as ``src1``. |
|
|
|
This function, in contrast to :ocv:func:`divide`, uses a round-down rounding mode. |
|
|
|
.. seealso:: |
|
:ocv:func:`divide` |
|
|
|
|
|
|
|
.. index:: gpu::exp |
|
|
|
gpu::exp |
|
------------ |
|
.. ocv:function:: void gpu::exp(const GpuMat& src, GpuMat& dst) |
|
|
|
Computes an exponent of each matrix element. |
|
|
|
:param src: Source matrix. ``CV_32FC1`` matrixes are supported for now. |
|
|
|
:param dst: Destination matrix with the same size and type as ``src``. |
|
|
|
.. seealso:: |
|
:ocv:func:`exp` |
|
|
|
|
|
|
|
.. index:: gpu::log |
|
|
|
gpu::log |
|
------------ |
|
.. ocv:function:: void gpu::log(const GpuMat& src, GpuMat& dst) |
|
|
|
Computes a natural logarithm of absolute value of each matrix element. |
|
|
|
:param src: Source matrix. ``CV_32FC1`` matrixes are supported for now. |
|
|
|
:param dst: Destination matrix with the same size and type as ``src``. |
|
|
|
.. seealso:: :ocv:func:`log` |
|
|
|
|
|
|
|
.. index:: gpu::absdiff |
|
|
|
gpu::absdiff |
|
---------------- |
|
.. ocv:function:: void gpu::absdiff(const GpuMat& src1, const GpuMat& src2, GpuMat& dst) |
|
|
|
.. ocv:function:: void gpu::absdiff(const GpuMat& src1, const Scalar& src2, GpuMat& dst) |
|
|
|
Computes per-element absolute difference of two matrices (or of a matrix and scalar). |
|
|
|
:param src1: First source matrix. ``CV_8UC1``, ``CV_8UC4``, ``CV_32SC1`` and ``CV_32FC1`` matrices are supported for now. |
|
|
|
:param src2: Second source matrix or a scalar to be added to ``src1``. |
|
|
|
:param dst: Destination matrix with the same size and type as ``src1``. |
|
|
|
.. seealso:: |
|
:ocv:func:`absdiff` |
|
|
|
.. index:: gpu::compare |
|
|
|
gpu::compare |
|
---------------- |
|
.. ocv:function:: void gpu::compare(const GpuMat& src1, const GpuMat& src2, GpuMat& dst, int cmpop) |
|
|
|
Compares elements of two matrices. |
|
|
|
:param src1: First source matrix. ``CV_8UC4`` and ``CV_32FC1`` matrices are supported for now. |
|
|
|
:param src2: Second source matrix with the same size and type as ``a``. |
|
|
|
:param dst: Destination matrix with the same size as ``a`` and the ``CV_8UC1`` type. |
|
|
|
:param cmpop: Flag specifying the relation between the elements to be checked: |
|
|
|
* **CMP_EQ:** ``src1(.) == src2(.)`` |
|
* **CMP_GT:** ``src1(.) < src2(.)`` |
|
* **CMP_GE:** ``src1(.) <= src2(.)`` |
|
* **CMP_LT:** ``src1(.) < src2(.)`` |
|
* **CMP_LE:** ``src1(.) <= src2(.)`` |
|
* **CMP_NE:** ``src1(.) != src2(.)`` |
|
|
|
.. seealso:: |
|
:ocv:func:`compare` |
|
|
|
|
|
.. index:: gpu::bitwise_not |
|
|
|
gpu::bitwise_not |
|
-------------------- |
|
.. ocv:function:: void gpu::bitwise_not(const GpuMat& src, GpuMat& dst, const GpuMat& mask=GpuMat()) |
|
|
|
.. ocv:function:: void gpu::bitwise_not(const GpuMat& src, GpuMat& dst, const GpuMat& mask, const Stream& stream) |
|
|
|
Performs a per-element bitwise inversion. |
|
|
|
:param src: Source matrix. |
|
|
|
:param dst: Destination matrix with the same size and type as ``src``. |
|
|
|
:param mask: Optional operation mask. 8-bit single channel image. |
|
|
|
:param stream: Stream for the asynchronous version. |
|
|
|
|
|
|
|
.. index:: gpu::bitwise_or |
|
|
|
gpu::bitwise_or |
|
------------------- |
|
.. ocv:function:: void gpu::bitwise_or(const GpuMat& src1, const GpuMat& src2, GpuMat& dst, const GpuMat& mask=GpuMat()) |
|
|
|
.. ocv:function:: void gpu::bitwise_or(const GpuMat& src1, const GpuMat& src2, GpuMat& dst, const GpuMat& mask, const Stream& stream) |
|
|
|
Performs a per-element bitwise disjunction of two matrices. |
|
|
|
:param src1: First source matrix. |
|
|
|
:param src2: Second source matrix with the same size and type as ``src1``. |
|
|
|
:param dst: Destination matrix with the same size and type as ``src1``. |
|
|
|
:param mask: Optional operation mask. 8-bit single channel image. |
|
|
|
:param stream: Stream for the asynchronous version. |
|
|
|
|
|
|
|
.. index:: gpu::bitwise_and |
|
|
|
gpu::bitwise_and |
|
-------------------- |
|
.. ocv:function:: void gpu::bitwise_and(const GpuMat& src1, const GpuMat& src2, GpuMat& dst, const GpuMat& mask=GpuMat()) |
|
|
|
.. ocv:function:: void gpu::bitwise_and(const GpuMat& src1, const GpuMat& src2, GpuMat& dst, const GpuMat& mask, const Stream& stream) |
|
|
|
Performs a per-element bitwise conjunction of two matrices. |
|
|
|
:param src1: First source matrix. |
|
|
|
:param src2: Second source matrix with the same size and type as ``src1``. |
|
|
|
:param dst: Destination matrix with the same size and type as ``src1``. |
|
|
|
:param mask: Optional operation mask. 8-bit single channel image. |
|
|
|
:param stream: Stream for the asynchronous version. |
|
|
|
|
|
|
|
.. index:: gpu::bitwise_xor |
|
|
|
gpu::bitwise_xor |
|
-------------------- |
|
.. ocv:function:: void gpu::bitwise_xor(const GpuMat& src1, const GpuMat& src2, GpuMat& dst, const GpuMat& mask=GpuMat()) |
|
|
|
.. ocv:function:: void gpu::bitwise_xor(const GpuMat& src1, const GpuMat& src2, GpuMat& dst, const GpuMat& mask, const Stream& stream) |
|
|
|
Performs a per-element bitwise ``exclusive or`` operation of two matrices. |
|
|
|
:param src1: First source matrix. |
|
|
|
:param src2: Second source matrix with the same size and type as ``src1``. |
|
|
|
:param dst: Destination matrix with the same size and type as ``src1``. |
|
|
|
:param mask: Optional operation mask. 8-bit single channel image. |
|
|
|
:param stream: Stream for the asynchronous version. |
|
|
|
|
|
|
|
.. index:: gpu::min |
|
|
|
gpu::min |
|
------------ |
|
.. ocv:function:: void gpu::min(const GpuMat& src1, const GpuMat& src2, GpuMat& dst) |
|
|
|
.. ocv:function:: void gpu::min(const GpuMat& src1, const GpuMat& src2, GpuMat& dst, const Stream& stream) |
|
|
|
.. ocv:function:: void gpu::min(const GpuMat& src1, double src2, GpuMat& dst) |
|
|
|
.. ocv:function:: void gpu::min(const GpuMat& src1, double src2, GpuMat& dst, const Stream& stream) |
|
|
|
Computes the per-element minimum of two matrices (or a matrix and a scalar). |
|
|
|
:param src1: First source matrix. |
|
|
|
:param src2: Second source matrix or a scalar to compare ``src1`` elements with. |
|
|
|
:param dst: Destination matrix with the same size and type as ``src1``. |
|
|
|
:param stream: Stream for the asynchronous version. |
|
|
|
.. seealso:: |
|
:ocv:func:`min` |
|
|
|
|
|
|
|
.. index:: gpu::max |
|
|
|
gpu::max |
|
------------ |
|
.. ocv:function:: void gpu::max(const GpuMat& src1, const GpuMat& src2, GpuMat& dst) |
|
|
|
.. ocv:function:: void gpu::max(const GpuMat& src1, const GpuMat& src2, GpuMat& dst, const Stream& stream) |
|
|
|
.. ocv:function:: void gpu::max(const GpuMat& src1, double src2, GpuMat& dst) |
|
|
|
.. ocv:function:: void gpu::max(const GpuMat& src1, double src2, GpuMat& dst, const Stream& stream) |
|
|
|
Computes the per-element maximum of two matrices (or a matrix and a scalar). |
|
|
|
:param src1: First source matrix. |
|
|
|
:param src2: Second source matrix or a scalar to compare ``src1`` elements with. |
|
|
|
:param dst: Destination matrix with the same size and type as ``src1``. |
|
|
|
:param stream: Stream for the asynchronous version. |
|
|
|
.. seealso:: |
|
:ocv:func:`max`
|
|
|