LaplaceEdgeImg

DESCRIPTION

Performs a 2D convolution on an image using a predefined 3x3 Laplace kernel. The resulting image is edge enhanced. The convolution kernel is

 0  -1   0
-1   4  -1
 0  -1   0

Edge detection by convolution with a Laplace kernel is discussed in:

Digital Image Processing, Gonzales, R.C., Wintz, P., Addison Wesley, Second Edition, 1987, pp 338--340.

Port: Img In
Type: Lattice
Constraints: 1..3-D
Source image.

Port: Img Out
Type: Lattice
Constraints: 1..3-D
Edge enhanced filtered image.