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|
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`
|
