62 lines
2.2 KiB
ReStructuredText
62 lines
2.2 KiB
ReStructuredText
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Intel® IPP Asynchronous C/C++ Converters
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========================================
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.. highlight:: cpp
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General Information
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-------------------
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This section describes conversion between OpenCV and `Intel® IPP Asynchronous C/C++ <http://software.intel.com/en-us/intel-ipp-preview>`_ library.
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`Getting Started Guide <http://registrationcenter.intel.com/irc_nas/3727/ipp_async_get_started.htm>`_ help you to install the library, configure header and library build paths.
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hpp::getHpp
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-----------
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Create ``hppiMatrix`` from ``Mat``.
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.. ocv:function:: Ptr<hppiMatrix> hpp::getHpp(const Mat& src)
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:param src: input matrix.
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This function allocates and initializes the ``hppiMatrix`` that has the same size and type as input matrix, returns the ``Ptr<hppiMatrix>``.
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Supports ``CV_8U``, ``CV_16U``, ``CV_16S``, ``CV_32S``, ``CV_32F``, ``CV_64F``.
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.. note:: The ``hppiMatrix`` pointer to the image buffer in system memory refers to the ``src.data``. Control the lifetime of the matrix and don't change its data, if there is no special need.
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.. seealso:: :ref:`howToUseIPPAconversion`, :ocv:func:`hpp::getMat`
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hpp::getMat
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-----------
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Create ``Mat`` from ``hppiMatrix``.
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.. ocv:function:: Mat hpp::getMat(hppiMatrix* src, hppAccel accel, int cn)
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:param src: input hppiMatrix.
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:param accel: accelerator instance.
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:param cn: number of channels.
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This function allocates and initializes the ``Mat`` that has the same size and type as input matrix.
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Supports ``CV_8U``, ``CV_16U``, ``CV_16S``, ``CV_32S``, ``CV_32F``, ``CV_64F``.
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.. seealso:: :ref:`howToUseIPPAconversion`, :ocv:func:`hpp::copyHppToMat`, :ocv:func:`hpp::getHpp`.
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hpp::copyHppToMat
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-----------------
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Convert ``hppiMatrix`` to ``Mat``.
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.. ocv:function:: void hpp::copyHppToMat(hppiMatrix* src, Mat& dst, hppAccel accel, int cn)
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:param src: input hppiMatrix.
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:param dst: output matrix.
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:param accel: accelerator instance.
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:param cn: number of channels.
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This function allocates and initializes new matrix (if needed) that has the same size and type as input matrix.
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Supports ``CV_8U``, ``CV_16U``, ``CV_16S``, ``CV_32S``, ``CV_32F``, ``CV_64F``.
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.. seealso:: :ref:`howToUseIPPAconversion`, :ocv:func:`hpp::getMat`, :ocv:func:`hpp::getHpp`.
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