averaging a column in a image matlab

i'm getting an artefact in my image its going down, is there away to get rid of it?

i was thinking maybe use the column on the left and right to average it out?

Answer 1

[KSSV]

As you know the index..you eliminate that particular column from the image.

Try:

I(:,1366) = [] ;

And then use imshow on I.

Answer 2

[Image Analyst]

Use a tophat filter, imtophat(). then threshold that and use it as a mask to replace it with the eroded image (local min). Something like (untested)

badPixels = imtophat(grayImage, ones(1, 3));
mask = badPixels > 4; % or whatever number works.
erodedImage = imerode(grayImage, ones(1,3)); % Get local min value.
grayImage(mask) = erodedImage(mask);