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Image Filtering
Select a filter from the list below.
| Icon | Name | Description / Applications | Modules | |
|---|---|---|---|---|
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cvBilateralFilter | 
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Applies bilateral filter to the image. |
OpenCV |
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cvBlur |
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Smoothes image using normalized box filter. |
OpenCV |
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cvBorderInterpolate |
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Computes source location of extrapolated pixel. |
OpenCV |
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cvBoxFilter |
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Smoothes an image using box filter. |
OpenCV |
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cvBuildPyramid |
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Constructs Gaussian pyramid for an image. |
OpenCV |
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cvCopyMakeBorder |
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Forms a border around the image. |
OpenCV |
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cvDilate |
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Dilates an image by using a specific structuring element. |
OpenCV |
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cvErode |
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Erodes an image by using a specific structuring element. |
OpenCV |
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cvFilter2D |
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Convolves an image with the kernel. |
OpenCV |
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cvGaussianBlur |
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Smoothes image using a Gaussian filter. |
OpenCV |
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cvGetDerivKernels |
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Returns filter coefficients for computing spatial image derivatives. Prepares matrices to be used with cvSepFilter2D or cvFilter2D. |
OpenCV |
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cvGetGaborKernel |
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Creates a Gabor Filter kernel. Prepares matrix to be used with cvSepFilter2D or cvFilter2D. |
OpenCV |
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cvGetGaussianKernel |
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Returns Gaussian filter coefficients. Prepares matrix to be used with cvSepFilter2D or cvFilter2D. |
OpenCV |
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cvGetStructuringElement |
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Returns the structuring element of the specified size and shape for morphological operations. Prepares element to be used with cvErode, cvDilate or cvMorphologyEx. |
OpenCV |
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cvLaplacian |
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Calculates the Laplacian of an image. |
OpenCV |
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cvMedianBlur |
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Smoothes image using median filter. |
OpenCV |
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cvMorphologyDefaultBorderValue |
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Returns magic border value for erosion and dilation. |
OpenCV |
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cvMorphologyEx |
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Performs advanced morphological transformations. |
OpenCV |
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cvPyrDown |
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Smoothes an image and downsamples it. |
OpenCV |
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cvPyrUp |
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Upsamples an image and then smoothes it. |
OpenCV |
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cvScharr |
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Calculates the first x- or y- image derivative using Scharr operator. |
OpenCV |
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cvSepFilter2D |
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Applies separable linear filter to an image. |
OpenCV |
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cvSobel |
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Calculates the first, second, third or mixed image derivatives using an extended Sobel operator. |
OpenCV |
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cvSqrBoxFilter |
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Smoothes an image using square box filter. |
OpenCV |