added pictures for OpenCV 2.x reference manual; fixed some build problems and done some more cleanup work
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Per-element Operations. |
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======================= |
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.. highlight:: cpp |
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.. index:: gpu::add |
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gpu::add |
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------------ |
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.. c:function:: void gpu::add(const GpuMat\& a, const GpuMat\& b, GpuMat\& c) |
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Computes matrix-matrix or matrix-scalar sum. |
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:param a: First source matrix. ``CV_8UC1`` , ``CV_8UC4`` , ``CV_32SC1`` and ``CV_32FC1`` matrices are supported for now. |
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:param b: Second source matrix. Must have the same size and type as ``a`` . |
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:param c: Destination matrix. Will have the same size and type as ``a`` . |
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.. c:function:: void gpu::add(const GpuMat\& a, const Scalar\& sc, GpuMat\& c) |
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* **a** Source matrix. ``CV_32FC1`` and ``CV_32FC2`` matrixes are supported for now. |
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* **b** Source scalar to be added to the source matrix. |
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* **c** Destination matrix. Will have the same size and type as ``a`` . |
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See also: |
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:func:`add` . |
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.. index:: gpu::subtract |
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gpu::subtract |
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----------------- |
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.. c:function:: void gpu::subtract(const GpuMat\& a, const GpuMat\& b, GpuMat\& c) |
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Subtracts matrix from another matrix (or scalar from matrix). |
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:param a: First source matrix. ``CV_8UC1`` , ``CV_8UC4`` , ``CV_32SC1`` and ``CV_32FC1`` matrices are supported for now. |
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:param b: Second source matrix. Must have the same size and type as ``a`` . |
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:param c: Destination matrix. Will have the same size and type as ``a`` . |
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.. c:function:: void subtract(const GpuMat\& a, const Scalar\& sc, GpuMat\& c) |
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* **a** Source matrix. ``CV_32FC1`` and ``CV_32FC2`` matrixes are supported for now. |
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* **b** Scalar to be subtracted from the source matrix elements. |
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* **c** Destination matrix. Will have the same size and type as ``a`` . |
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See also: |
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:func:`subtract` . |
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.. index:: gpu::multiply |
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gpu::multiply |
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----------------- |
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.. c:function:: void gpu::multiply(const GpuMat\& a, const GpuMat\& b, GpuMat\& c) |
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Computes per-element product of two matrices (or of matrix and scalar). |
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:param a: First source matrix. ``CV_8UC1`` , ``CV_8UC4`` , ``CV_32SC1`` and ``CV_32FC1`` matrices are supported for now. |
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:param b: Second source matrix. Must have the same size and type as ``a`` . |
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:param c: Destionation matrix. Will have the same size and type as ``a`` . |
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.. c:function:: void multiply(const GpuMat\& a, const Scalar\& sc, GpuMat\& c) |
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* **a** Source matrix. ``CV_32FC1`` and ``CV_32FC2`` matrixes are supported for now. |
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* **b** Scalar to be multiplied by. |
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* **c** Destination matrix. Will have the same size and type as ``a`` . |
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See also: |
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:func:`multiply` . |
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.. index:: gpu::divide |
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gpu::divide |
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--------------- |
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.. c:function:: void gpu::divide(const GpuMat\& a, const GpuMat\& b, GpuMat\& c) |
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Performs per-element division of two matrices (or division of matrix by scalar). |
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:param a: First source matrix. ``CV_8UC1`` , ``CV_8UC4`` , ``CV_32SC1`` and ``CV_32FC1`` matrices are supported for now. |
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:param b: Second source matrix. Must have the same size and type as ``a`` . |
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:param c: Destionation matrix. Will have the same size and type as ``a`` . |
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.. c:function:: void divide(const GpuMat\& a, const Scalar\& sc, GpuMat\& c) |
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* **a** Source matrix. ``CV_32FC1`` and ``CV_32FC2`` matrixes are supported for now. |
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* **b** Scalar to be divided by. |
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* **c** Destination matrix. Will have the same size and type as ``a`` . |
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This function in contrast to |
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:func:`divide` uses round-down rounding mode. |
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See also: |
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:func:`divide` . |
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.. index:: gpu::exp |
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gpu::exp |
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------------ |
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.. c:function:: void gpu::exp(const GpuMat\& a, GpuMat\& b) |
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Computes exponent of each matrix element. |
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:param a: Source matrix. ``CV_32FC1`` matrixes are supported for now. |
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:param b: Destination matrix. Will have the same size and type as ``a`` . |
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See also: |
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:func:`exp` . |
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.. index:: gpu::log |
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gpu::log |
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------------ |
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.. c:function:: void gpu::log(const GpuMat\& a, GpuMat\& b) |
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Computes natural logarithm of absolute value of each matrix element. |
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:param a: Source matrix. ``CV_32FC1`` matrixes are supported for now. |
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:param b: Destination matrix. Will have the same size and type as ``a`` . |
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See also: |
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:func:`log` . |
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.. index:: gpu::absdiff |
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gpu::absdiff |
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---------------- |
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.. c:function:: void gpu::absdiff(const GpuMat\& a, const GpuMat\& b, GpuMat\& c) |
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Computes per-element absolute difference of two matrices (or of matrix and scalar). |
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:param a: First source matrix. ``CV_8UC1`` , ``CV_8UC4`` , ``CV_32SC1`` and ``CV_32FC1`` matrices are supported for now. |
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:param b: Second source matrix. Must have the same size and type as ``a`` . |
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:param c: Destionation matrix. Will have the same size and type as ``a`` . |
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.. c:function:: void absdiff(const GpuMat\& a, const Scalar\& s, GpuMat\& c) |
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* **a** Source matrix. ``CV_32FC1`` matrixes are supported for now. |
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* **b** Scalar to be subtracted from the source matrix elements. |
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* **c** Destination matrix. Will have the same size and type as ``a`` . |
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See also: |
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:func:`absdiff` . |
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.. index:: gpu::compare |
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gpu::compare |
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---------------- |
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.. c:function:: void gpu::compare(const GpuMat\& a, const GpuMat\& b, GpuMat\& c, int cmpop) |
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Compares elements of two matrices. |
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:param a: First source matrix. ``CV_8UC4`` and ``CV_32FC1`` matrices are supported for now. |
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:param b: Second source matrix. Must have the same size and type as ``a`` . |
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:param c: Destination matrix. Will have the same size as ``a`` and be ``CV_8UC1`` type. |
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:param cmpop: Flag specifying the relation between the elements to be checked: |
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* **CMP_EQ** :math:`=` |
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* **CMP_GT** :math:`>` |
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* **CMP_GE** :math:`\ge` |
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* **CMP_LT** :math:`<` |
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* **CMP_LE** :math:`\le` |
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* **CMP_NE** :math:`\ne` |
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See also: |
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:func:`compare` . |
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.. index:: gpu::bitwise_not |
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.. _gpu::bitwise_not: |
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gpu::bitwise_not |
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-------------------- |
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.. c:function:: void gpu::bitwise_not(const GpuMat\& src, GpuMat\& dst, |
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const GpuMat\& mask=GpuMat()) |
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.. c:function:: void gpu::bitwise_not(const GpuMat\& src, GpuMat\& dst, |
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const GpuMat\& mask, const Stream\& stream) |
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Performs per-element bitwise inversion. |
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:param src: Source matrix. |
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:param dst: Destination matrix. Will have the same size and type as ``src`` . |
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:param mask: Optional operation mask. 8-bit single channel image. |
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:param stream: Stream for the asynchronous version. |
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See also: |
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. |
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.. index:: gpu::bitwise_or |
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.. _gpu::bitwise_or: |
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gpu::bitwise_or |
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------------------- |
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.. c:function:: void gpu::bitwise_or(const GpuMat\& src1, const GpuMat\& src2, GpuMat\& dst, |
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const GpuMat\& mask=GpuMat()) |
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.. c:function:: void gpu::bitwise_or(const GpuMat\& src1, const GpuMat\& src2, GpuMat\& dst, |
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const GpuMat\& mask, const Stream\& stream) |
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Performs per-element bitwise disjunction of two matrices. |
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:param src1: First source matrix. |
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:param src2: Second source matrix. It must have the same size and type as ``src1`` . |
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:param dst: Destination matrix. Will have the same size and type as ``src1`` . |
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:param mask: Optional operation mask. 8-bit single channel image. |
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:param stream: Stream for the asynchronous version. |
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See also: |
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. |
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.. index:: gpu::bitwise_and |
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.. _gpu::bitwise_and: |
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gpu::bitwise_and |
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-------------------- |
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.. c:function:: void gpu::bitwise_and(const GpuMat\& src1, const GpuMat\& src2, GpuMat\& dst, |
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const GpuMat\& mask=GpuMat()) |
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.. c:function:: void gpu::bitwise_and(const GpuMat\& src1, const GpuMat\& src2, GpuMat\& dst, |
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const GpuMat\& mask, const Stream\& stream) |
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Performs per-element bitwise conjunction of two matrices. |
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:param src1: First source matrix. |
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:param src2: Second source matrix. It must have the same size and type as ``src1`` . |
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:param dst: Destination matrix. Will have the same size and type as ``src1`` . |
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:param mask: Optional operation mask. 8-bit single channel image. |
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:param stream: Stream for the asynchronous version. |
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See also: |
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. |
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.. index:: gpu::bitwise_xor |
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.. _gpu::bitwise_xor: |
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gpu::bitwise_xor |
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-------------------- |
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.. c:function:: void gpu::bitwise_xor(const GpuMat\& src1, const GpuMat\& src2, GpuMat\& dst, |
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const GpuMat\& mask=GpuMat()) |
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.. c:function:: void gpu::bitwise_xor(const GpuMat\& src1, const GpuMat\& src2, GpuMat\& dst, |
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const GpuMat\& mask, const Stream\& stream) |
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Performs per-element bitwise "exclusive or" of two matrices. |
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:param src1: First source matrix. |
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:param src2: Second source matrix. It must have the same size and type as ``src1`` . |
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:param dst: Destination matrix. Will have the same size and type as ``src1`` . |
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:param mask: Optional operation mask. 8-bit single channel image. |
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:param stream: Stream for the asynchronous version. |
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See also: |
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. |
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.. index:: gpu::min |
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gpu::min |
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------------ |
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.. c:function:: void gpu::min(const GpuMat\& src1, const GpuMat\& src2, GpuMat\& dst) |
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.. c:function:: void gpu::min(const GpuMat\& src1, const GpuMat\& src2, GpuMat\& dst, |
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const Stream\& stream) |
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Computes per-element minimum of two matrices (or of matrix and scalar). |
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:param src1: First source matrix. |
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:param src2: Second source matrix. |
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:param dst: Destination matrix. Will have the same size and type as ``src1`` . |
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:param stream: Stream for the asynchronous version. |
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.. c:function:: void gpu::min(const GpuMat\& src1, double src2, GpuMat\& dst) |
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.. c:function:: void gpu::min(const GpuMat\& src1, double src2, GpuMat\& dst, |
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const Stream\& stream) |
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* **src1** Source matrix. |
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* **src2** Scalar to be compared with. |
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* **dst** Destination matrix. Will have the same size and type as ``src1`` . |
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* **stream** Stream for the asynchronous version. |
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See also: |
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:func:`min` . |
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.. index:: gpu::max |
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gpu::max |
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------------ |
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.. c:function:: void gpu::max(const GpuMat\& src1, const GpuMat\& src2, GpuMat\& dst) |
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|
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.. c:function:: void gpu::max(const GpuMat\& src1, const GpuMat\& src2, GpuMat\& dst, |
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const Stream\& stream) |
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Computes per-element maximum of two matrices (or of matrix and scalar). |
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:param src1: First source matrix. |
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:param src2: Second source matrix. |
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:param dst: Destination matrix. Will have the same size and type as ``src1`` . |
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:param stream: Stream for the asynchronous version. |
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|
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.. c:function:: void max(const GpuMat\& src1, double src2, GpuMat\& dst) |
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|
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.. c:function:: void max(const GpuMat\& src1, double src2, GpuMat\& dst, |
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const Stream\& stream) |
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* **src1** Source matrix. |
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* **src2** Scalar to be compared with. |
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* **dst** Destination matrix. Will have the same size and type as ``src1`` . |
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* **stream** Stream for the asynchronous version. |
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See also: |
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:func:`max` . |
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