Replace the central pixel of the 3x3 mask with the minimum value.

 

function call:

[out_img1]=vsg('SINFilter',in_img1);

 

Arguments:

in_img1 input image, 3 channel RGB, 1 channel greyscale or binary image, or DICOM image.

 

Description:

The SINFilter has the effect of spreading dark regions and contracting bright ones.

out_img1 – an image of the same dimensions as the input image that shows outputs the smallest value at each pixel location for that location and its 8 neighbours.

 

Example:

img = openimage('lake.jpg');

[out_img1]=vsg('SINFilter',img);

h=figure; image(uint8(out_img1));set(h,'Name','SIN filter');

Home       Functions       Back