LaplacianGaussianFilter

LaplacianGaussianFilter[image,r]
convolves image with a Laplacian of Gaussian kernel of pixel radius r.

LaplacianGaussianFilter[image,{r,σ}]
convolves image with a Laplacian of Gaussian kernel of radius r and standard deviation σ.

LaplacianGaussianFilter[data,]
applies Laplacian of Gaussian filtering to an array of data.

Details and OptionsDetails and Options

ExamplesExamplesopen allclose all

Basic Examples  (5)Basic Examples  (5)

Find edge features in a color image:

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Laplacian of Gaussian applied to a grayscale image:

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Find the edges of an object, showing the inside of the edge in darker tones and the outside in brighter tones:

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Laplacian of Gaussian (LoG) filter of a numeric array:

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Apply the Laplacian of Gaussian (LoG) filter to a 3D image:

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Introduced in 2008
(7.0)
| Updated in 2012
(9.0)