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averaging a column in a image matlab

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hasan alhussaini
hasan alhussaini 2017-9-8
回答： Image Analyst 2017-9-8
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?

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回答（2 个）

KSSV
KSSV 2017-9-8
编辑：KSSV 2017-9-8
As you know the index..you eliminate that particular column from the image.
Try:
I(:,1366) = [] ;
And then use imshow on I.
Image Analyst
Image Analyst 2017-9-8
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);

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