gsm2d

2D gaussian smoothing

Calling Sequence

MG = gsm2d(M [,sigma])

Parameters

M: the matrix (intensity image) to be smoothed
sigma: the standard deviation of the gaussian kernel. Defaults to 5.
MG: the smoothed image.

Description

Function gsm performs 2D gaussian smoothing of the image M, with standard deviation sigma, using FFT.

Examples

initial_dir = PWD;
chdir (SIPDIR + 'images');

[Img,map] = imread('onca.gif');
clf
imshow(Img,map);
Img = im2gray(Img, map);     // Img is now 0-1 range
clf
imshow(Img);
Img = gsm2d(Img,2);
clf
imshow(Img);

chdir(initial_dir);

Authors

Ricardo Fabbri <ricardofabbri (AT) users DOT sf DOT net>

Availability

The latest version of the Scilab Image Processing toolbox can be found at

http://siptoolbox.sourceforge.net