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.
331 lines
10 KiB
331 lines
10 KiB
Per-element Operations. |
|
======================= |
|
|
|
.. highlight:: cpp |
|
|
|
.. index:: gpu::add |
|
|
|
gpu::add |
|
------------ |
|
.. c:function:: void gpu::add(const GpuMat& a, const GpuMat& b, GpuMat& c) |
|
|
|
Computes matrix-matrix or matrix-scalar sum. |
|
|
|
:param a: First source matrix. ``CV_8UC1`` , ``CV_8UC4`` , ``CV_32SC1`` and ``CV_32FC1`` matrices are supported for now. |
|
|
|
:param b: Second source matrix. Must have the same size and type as ``a`` . |
|
|
|
:param c: Destination matrix. Will have the same size and type as ``a`` . |
|
|
|
.. c:function:: void gpu::add(const GpuMat& a, const Scalar& sc, GpuMat& c) |
|
|
|
* **a** Source matrix. ``CV_32FC1`` and ``CV_32FC2`` matrixes are supported for now. |
|
|
|
* **b** Source scalar to be added to the source matrix. |
|
|
|
* **c** Destination matrix. Will have the same size and type as ``a`` . |
|
|
|
See also: |
|
:func:`add` . |
|
|
|
.. index:: gpu::subtract |
|
|
|
gpu::subtract |
|
----------------- |
|
.. c:function:: void gpu::subtract(const GpuMat& a, const GpuMat& b, GpuMat& c) |
|
|
|
Subtracts matrix from another matrix (or scalar from matrix). |
|
|
|
:param a: First source matrix. ``CV_8UC1`` , ``CV_8UC4`` , ``CV_32SC1`` and ``CV_32FC1`` matrices are supported for now. |
|
|
|
:param b: Second source matrix. Must have the same size and type as ``a`` . |
|
|
|
:param c: Destination matrix. Will have the same size and type as ``a`` . |
|
|
|
.. c:function:: void subtract(const GpuMat& a, const Scalar& sc, GpuMat& c) |
|
|
|
* **a** Source matrix. ``CV_32FC1`` and ``CV_32FC2`` matrixes are supported for now. |
|
|
|
* **b** Scalar to be subtracted from the source matrix elements. |
|
|
|
* **c** Destination matrix. Will have the same size and type as ``a`` . |
|
|
|
See also: |
|
:func:`subtract` . |
|
|
|
.. index:: gpu::multiply |
|
|
|
gpu::multiply |
|
----------------- |
|
.. c:function:: void gpu::multiply(const GpuMat& a, const GpuMat& b, GpuMat& c) |
|
|
|
Computes per-element product of two matrices (or of matrix and scalar). |
|
|
|
:param a: First source matrix. ``CV_8UC1`` , ``CV_8UC4`` , ``CV_32SC1`` and ``CV_32FC1`` matrices are supported for now. |
|
|
|
:param b: Second source matrix. Must have the same size and type as ``a`` . |
|
|
|
:param c: Destionation matrix. Will have the same size and type as ``a`` . |
|
|
|
.. c:function:: void multiply(const GpuMat& a, const Scalar& sc, GpuMat& c) |
|
|
|
* **a** Source matrix. ``CV_32FC1`` and ``CV_32FC2`` matrixes are supported for now. |
|
|
|
* **b** Scalar to be multiplied by. |
|
|
|
* **c** Destination matrix. Will have the same size and type as ``a`` . |
|
|
|
See also: |
|
:func:`multiply` . |
|
|
|
.. index:: gpu::divide |
|
|
|
gpu::divide |
|
--------------- |
|
.. c:function:: void gpu::divide(const GpuMat& a, const GpuMat& b, GpuMat& c) |
|
|
|
Performs per-element division of two matrices (or division of matrix by scalar). |
|
|
|
:param a: First source matrix. ``CV_8UC1`` , ``CV_8UC4`` , ``CV_32SC1`` and ``CV_32FC1`` matrices are supported for now. |
|
|
|
:param b: Second source matrix. Must have the same size and type as ``a`` . |
|
|
|
:param c: Destionation matrix. Will have the same size and type as ``a`` . |
|
|
|
.. c:function:: void divide(const GpuMat& a, const Scalar& sc, GpuMat& c) |
|
|
|
* **a** Source matrix. ``CV_32FC1`` and ``CV_32FC2`` matrixes are supported for now. |
|
|
|
* **b** Scalar to be divided by. |
|
|
|
* **c** Destination matrix. Will have the same size and type as ``a`` . |
|
|
|
This function in contrast to |
|
:func:`divide` uses round-down rounding mode. |
|
|
|
See also: |
|
:func:`divide` . |
|
|
|
.. index:: gpu::exp |
|
|
|
gpu::exp |
|
------------ |
|
.. c:function:: void gpu::exp(const GpuMat& a, GpuMat& b) |
|
|
|
Computes exponent of each matrix element. |
|
|
|
:param a: Source matrix. ``CV_32FC1`` matrixes are supported for now. |
|
|
|
:param b: Destination matrix. Will have the same size and type as ``a`` . |
|
|
|
See also: |
|
:func:`exp` . |
|
|
|
.. index:: gpu::log |
|
|
|
gpu::log |
|
------------ |
|
.. c:function:: void gpu::log(const GpuMat& a, GpuMat& b) |
|
|
|
Computes natural logarithm of absolute value of each matrix element. |
|
|
|
:param a: Source matrix. ``CV_32FC1`` matrixes are supported for now. |
|
|
|
:param b: Destination matrix. Will have the same size and type as ``a`` . |
|
|
|
See also: |
|
:func:`log` . |
|
|
|
.. index:: gpu::absdiff |
|
|
|
gpu::absdiff |
|
---------------- |
|
.. c:function:: void gpu::absdiff(const GpuMat& a, const GpuMat& b, GpuMat& c) |
|
|
|
Computes per-element absolute difference of two matrices (or of matrix and scalar). |
|
|
|
:param a: First source matrix. ``CV_8UC1`` , ``CV_8UC4`` , ``CV_32SC1`` and ``CV_32FC1`` matrices are supported for now. |
|
|
|
:param b: Second source matrix. Must have the same size and type as ``a`` . |
|
|
|
:param c: Destionation matrix. Will have the same size and type as ``a`` . |
|
|
|
.. c:function:: void absdiff(const GpuMat& a, const Scalar& s, GpuMat& c) |
|
|
|
* **a** Source matrix. ``CV_32FC1`` matrixes are supported for now. |
|
|
|
* **b** Scalar to be subtracted from the source matrix elements. |
|
|
|
* **c** Destination matrix. Will have the same size and type as ``a`` . |
|
|
|
See also: |
|
:func:`absdiff` . |
|
|
|
.. index:: gpu::compare |
|
|
|
gpu::compare |
|
---------------- |
|
.. c:function:: void gpu::compare(const GpuMat& a, const GpuMat& b, GpuMat& c, int cmpop) |
|
|
|
Compares elements of two matrices. |
|
|
|
:param a: First source matrix. ``CV_8UC4`` and ``CV_32FC1`` matrices are supported for now. |
|
|
|
:param b: Second source matrix. Must have the same size and type as ``a`` . |
|
|
|
:param c: Destination matrix. Will have the same size as ``a`` and be ``CV_8UC1`` type. |
|
|
|
:param cmpop: Flag specifying the relation between the elements to be checked: |
|
|
|
* **CMP_EQ** :math:`=` |
|
* **CMP_GT** :math:`>` |
|
* **CMP_GE** :math:`\ge` |
|
* **CMP_LT** :math:`<` |
|
* **CMP_LE** :math:`\le` |
|
* **CMP_NE** :math:`\ne` |
|
|
|
|
|
See also: |
|
:func:`compare` . |
|
|
|
.. index:: gpu::bitwise_not |
|
|
|
gpu::bitwise_not |
|
-------------------- |
|
.. c:function:: void gpu::bitwise_not(const GpuMat& src, GpuMat& dst, const GpuMat& mask=GpuMat()) |
|
|
|
.. c:function:: void gpu::bitwise_not(const GpuMat& src, GpuMat& dst, const GpuMat& mask, const Stream& stream) |
|
|
|
Performs per-element bitwise inversion. |
|
|
|
:param src: Source matrix. |
|
|
|
:param dst: Destination matrix. Will have 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 |
|
------------------- |
|
.. c:function:: void gpu::bitwise_or(const GpuMat& src1, const GpuMat& src2, GpuMat& dst, const GpuMat& mask=GpuMat()) |
|
|
|
.. c:function:: void gpu::bitwise_or(const GpuMat& src1, const GpuMat& src2, GpuMat& dst, const GpuMat& mask, const Stream& stream) |
|
|
|
Performs per-element bitwise disjunction of two matrices. |
|
|
|
:param src1: First source matrix. |
|
|
|
:param src2: Second source matrix. It must have the same size and type as ``src1`` . |
|
|
|
:param dst: Destination matrix. Will have 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 |
|
-------------------- |
|
.. c:function:: void gpu::bitwise_and(const GpuMat& src1, const GpuMat& src2, GpuMat& dst, const GpuMat& mask=GpuMat()) |
|
|
|
.. c:function:: void gpu::bitwise_and(const GpuMat& src1, const GpuMat& src2, GpuMat& dst, const GpuMat& mask, const Stream& stream) |
|
|
|
Performs per-element bitwise conjunction of two matrices. |
|
|
|
:param src1: First source matrix. |
|
|
|
:param src2: Second source matrix. It must have the same size and type as ``src1`` . |
|
|
|
:param dst: Destination matrix. Will have 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 |
|
-------------------- |
|
.. c:function:: void gpu::bitwise_xor(const GpuMat& src1, const GpuMat& src2, GpuMat& dst, const GpuMat& mask=GpuMat()) |
|
|
|
.. c:function:: void gpu::bitwise_xor(const GpuMat& src1, const GpuMat& src2, GpuMat& dst, const GpuMat& mask, const Stream& stream) |
|
|
|
Performs per-element bitwise "exclusive or" of two matrices. |
|
|
|
:param src1: First source matrix. |
|
|
|
:param src2: Second source matrix. It must have the same size and type as ``src1`` . |
|
|
|
:param dst: Destination matrix. Will have 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 |
|
------------ |
|
.. c:function:: void gpu::min(const GpuMat& src1, const GpuMat& src2, GpuMat& dst) |
|
|
|
.. c:function:: void gpu::min(const GpuMat& src1, const GpuMat& src2, GpuMat& dst, const Stream& stream) |
|
|
|
Computes per-element minimum of two matrices (or a matrix and a scalar). |
|
|
|
:param src1: First source matrix. |
|
|
|
:param src2: Second source matrix. |
|
|
|
:param dst: Destination matrix. Will have the same size and type as ``src1`` . |
|
|
|
:param stream: Stream for the asynchronous version. |
|
|
|
.. c:function:: void gpu::min(const GpuMat& src1, double src2, GpuMat& dst) |
|
|
|
.. c:function:: void gpu::min(const GpuMat& src1, double src2, GpuMat& dst, |
|
const Stream& stream) |
|
|
|
* **src1** Source matrix. |
|
|
|
* **src2** Scalar to be compared with. |
|
|
|
* **dst** Destination matrix. Will have the same size and type as ``src1`` . |
|
|
|
* **stream** Stream for the asynchronous version. |
|
|
|
See also: |
|
:func:`min` . |
|
|
|
.. index:: gpu::max |
|
|
|
gpu::max |
|
------------ |
|
.. c:function:: void gpu::max(const GpuMat& src1, const GpuMat& src2, GpuMat& dst) |
|
|
|
.. c:function:: void gpu::max(const GpuMat& src1, const GpuMat& src2, GpuMat& dst, const Stream& stream) |
|
|
|
.. c:function:: void gpu::max(const GpuMat& src1, double value, GpuMat& dst) |
|
|
|
.. c:function:: void gpu::max(const GpuMat& src1, double value, GpuMat& dst, const Stream& stream) |
|
|
|
Computes per-element maximum of two matrices (or a matrix and a scalar). |
|
|
|
:param src1: First source matrix. |
|
|
|
:param src2: Second source matrix. |
|
|
|
:param value: The scalar value to compare ``src1`` elements with |
|
|
|
:param dst: Destination matrix. Will have the same size and type as ``src1`` . |
|
|
|
:param stream: Stream for the asynchronous version. |
|
|
|
See also: |
|
:func:`max` .
|
|
|