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@ -286,6 +286,8 @@ For points in an image of a stereo pair, computes the corresponding epilines in
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.. ocv:cfunction:: void cvComputeCorrespondEpilines( const CvMat* points, int which_image, const CvMat* fundamental_matrix, CvMat* correspondent_lines )
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.. ocv:pyfunction:: cv2.computeCorrespondEpilines(points, whichImage, F[, lines]) -> lines
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:param points: Input points. :math:`N \times 1` or :math:`1 \times N` matrix of type ``CV_32FC2`` or ``vector<Point2f>`` .
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:param whichImage: Index of the image (1 or 2) that contains the ``points`` .
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@ -81,6 +81,9 @@ The function ``imshow`` displays an image in the specified window. If the window
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If window was created with OpenGL support, ``imshow`` also support :ocv:class:`ogl::Buffer` , :ocv:class:`ogl::Texture2D` and :ocv:class:`gpu::GpuMat` as input.
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.. note:: This function should be followed by ``waitKey`` function which displays the image for specified milliseconds. Otherwise, it won't display the image.
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namedWindow
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---------------
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Creates a window.
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@ -759,7 +759,7 @@ Dilates an image by using a specific structuring element.
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:param dst: output image of the same size and type as ``src``.
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:param element: structuring element used for dilation; if ``element=Mat()`` , a ``3 x 3`` rectangular structuring element is used.
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:param kernel: structuring element used for dilation; if ``element=Mat()`` , a ``3 x 3`` rectangular structuring element is used. Kernel can be created using :ocv:func:`getStructuringElement`
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:param anchor: position of the anchor within the element; default value ``(-1, -1)`` means that the anchor is at the element center.
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@ -782,11 +782,16 @@ The function supports the in-place mode. Dilation can be applied several ( ``ite
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:ocv:func:`erode`,
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:ocv:func:`morphologyEx`,
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:ocv:func:`createMorphologyFilter`
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:ocv:func:`getStructuringElement`
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.. Sample code::
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* : An example using the morphological dilate operation can be found at opencv_source_code/samples/cpp/morphology2.cpp
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erode
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-----
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Erodes an image by using a specific structuring element.
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@ -801,7 +806,7 @@ Erodes an image by using a specific structuring element.
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:param dst: output image of the same size and type as ``src``.
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:param element: structuring element used for erosion; if ``element=Mat()`` , a ``3 x 3`` rectangular structuring element is used.
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:param kernel: structuring element used for erosion; if ``element=Mat()`` , a ``3 x 3`` rectangular structuring element is used. Kernel can be created using :ocv:func:`getStructuringElement`.
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:param anchor: position of the anchor within the element; default value ``(-1, -1)`` means that the anchor is at the element center.
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@ -823,7 +828,8 @@ The function supports the in-place mode. Erosion can be applied several ( ``iter
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:ocv:func:`dilate`,
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:ocv:func:`morphologyEx`,
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:ocv:func:`createMorphologyFilter`
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:ocv:func:`createMorphologyFilter`,
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:ocv:func:`getStructuringElement`
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.. Sample code::
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@ -956,7 +962,7 @@ Returns Gaussian filter coefficients.
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:param ksize: Aperture size. It should be odd ( :math:`\texttt{ksize} \mod 2 = 1` ) and positive.
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:param sigma: Gaussian standard deviation. If it is non-positive, it is computed from ``ksize`` as \ ``sigma = 0.3*((ksize-1)*0.5 - 1) + 0.8`` .
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:param ktype: Type of filter coefficients. It can be ``CV_32f`` or ``CV_64F`` .
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:param ktype: Type of filter coefficients. It can be ``CV_32F`` or ``CV_64F`` .
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The function computes and returns the
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:math:`\texttt{ksize} \times 1` matrix of Gaussian filter coefficients:
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@ -985,6 +991,32 @@ Two of such generated kernels can be passed to
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getGaborKernel
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-----------------
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Returns Gabor filter coefficients.
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.. ocv:function:: Mat getGaborKernel( Size ksize, double sigma, double theta, double lambd, double gamma, double psi = CV_PI*0.5, int ktype = CV_64F )
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.. ocv:pyfunction:: cv2.getGaborKernel(ksize, sigma, theta, lambd, gamma[, psi[, ktype]]) -> retval
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:param ksize: Size of the filter returned.
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:param sigma: Standard deviation of the gaussian envelope.
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:param theta: Orientation of the normal to the parallel stripes of a Gabor function.
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:param lambd: Wavelength of the sinusoidal factor.
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:param gamma: Spatial aspect ratio.
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:param psi: Phase offset.
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:param ktype: Type of filter coefficients. It can be ``CV_32F`` or ``CV_64F`` .
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For more details about gabor filter equations and parameters, see: `Gabor Filter <http://en.wikipedia.org/wiki/Gabor_filter>`_.
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getKernelType
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-------------
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Returns the kernel type.
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@ -1099,7 +1131,9 @@ Performs advanced morphological transformations.
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:param dst: Destination image of the same size and type as ``src`` .
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:param element: Structuring element.
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:param kernel: Structuring element. It can be created using :ocv:func:`getStructuringElement`.
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:param anchor: Anchor position with the kernel. Negative values mean that the anchor is at the kernel center.
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:param op: Type of a morphological operation that can be one of the following:
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@ -1157,7 +1191,8 @@ Any of the operations can be done in-place. In case of multi-channel images, eac
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:ocv:func:`dilate`,
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:ocv:func:`erode`,
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:ocv:func:`createMorphologyFilter`
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:ocv:func:`createMorphologyFilter`,
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:ocv:func:`getStructuringElement`
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.. Sample code::
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@ -23,7 +23,7 @@ Restores the selected region in an image using the region neighborhood.
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:param flags: Inpainting method that could be one of the following:
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* **INPAINT_NS** Navier-Stokes based method.
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* **INPAINT_NS** Navier-Stokes based method [Navier01]
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* **INPAINT_TELEA** Method by Alexandru Telea [Telea04]_.
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@ -36,3 +36,9 @@ for more details.
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* : An example using the inpainting technique can be found at opencv_source_code/samples/cpp/inpaint.cpp
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* : PYTHON : An example using the inpainting technique can be found at opencv_source_code/samples/python2/inpaint.py
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.. [Telea04] Telea, Alexandru. "An image inpainting technique based on the fast marching method." Journal of graphics tools 9, no. 1 (2004): 23-34.
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.. [Navier01] Bertalmio, Marcelo, Andrea L. Bertozzi, and Guillermo Sapiro. "Navier-stokes, fluid dynamics, and image and video inpainting." In Computer Vision and Pattern Recognition, 2001. CVPR 2001. Proceedings of the 2001 IEEE Computer Society Conference on, vol. 1, pp. I-355. IEEE, 2001.
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@ -170,6 +170,8 @@ Finds the geometric transform (warp) between two images in terms of the ECC crit
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.. ocv:function:: double findTransformECC( InputArray templateImage, InputArray inputImage, InputOutputArray warpMatrix, int motionType=MOTION_AFFINE, TermCriteria criteria=TermCriteria(TermCriteria::COUNT+TermCriteria::EPS, 50, 0.001))
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.. ocv:pyfunction:: cv2.findTransformECC(templateImage, inputImage, warpMatrix[, motionType[, criteria]]) -> retval, warpMatrix
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:param templateImage: single-channel template image; ``CV_8U`` or ``CV_32F`` array.
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:param inputImage: single-channel input image which should be warped with the final ``warpMatrix`` in order to provide an image similar to ``templateImage``, same type as ``temlateImage``.
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