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[[en:processing:фильтр_лапласа]]

Trace: Laplace filter

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Laplace filter

Discrete Laplace operator is an analog of the continuous Laplace operator. It is given by the divergence of the gradient of a function. As well as gradient filter, Laplace filter emphasizes the edges in image.

Laplace filter can be called up from menu MathematicsLinear filters, The filter uses the following matrix:

.