Remove Noise from Image
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I have this RGB image.
I cropped the image into 4 equal size and then When I convert these images to binary images using im2bw. I get noisy image.
I have applied different filters but none of them worked. Can anyone suggest which filter or pre-processing technique should I use?
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Image Analyst
am 11 Mär. 2017
Try using a tophat or bottomhat filter, imtophat() or imbothat(). Or else use adapthisteq().
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Li Sun
am 23 Okt. 2017
to add to what he has said, try to convert your RGB to LAB format, then do it on the L layer, then convert back to RGB. BTW, were you able to get good result without cropping the image?
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