DOLPS

DOLPS – Difference of low pass 3x3 filters. Image A results from applying 3 iterations of the low pass filter. Image B results from applying 6 iterations of the low pass filter. DOLPS = A-B.

 

function call:

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

 

Arguments:

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

 

Description:

out_img1 - an image which has dimensions the same as the input image. The output image is the difference between the input image lowpass filtered 3 times and the input lowpass filtered 6 times.

 

Example:

img = openimage('lake.jpg'); %color image

h=figure;image(uint8(img1)); set(h,'Name','Input');

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

h=figure; imagesc(out_img1(:,:,1));colormap(gray);set(h,'Name','DOLPS Image');
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