Laplacian of Gaussian filter

can anyone please tell how to implement laplacian of gaussian filter on an image in matlab

[divya kaithapalli]

please give me answer

[MANISHA GOSWAMI]

f=img; w=fspecial('log',[3 3],0.5); filtered_img=imfilter(f,w,'replicate'); imshow(filtered_img);

Answer 1

[abdulkader helwan]

http://www.mathworks.com/help/images/ref/fspecial.html?refresh=true

Answer 2

[Thomas]

This page has some Information for Laplacian of Gaussian (LOG)

http://www.mathworks.com/help/toolbox/images/ref/edge.html

[kush]

it tells about laplacian of gaussian for egbe detection but I want LoG filter to remove deformities