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laplacian.c File Reference

Laplacian operator. More...


Detailed Description

Laplacian operator.

Usage: laplacian in.pgm alpha out.pgm

Description: Deriche's recursive implementation of the Laplacian operator. The parameter alpha (double) controls the spatial extension of the filter: 0 < alpha < infinity, typical value: alpha = 1

Types supported: byte 2D

Category: signal

Author:
Michel Couprie

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