I need to remove artifacts (dust or other debris) from other images taken by the same microscope.
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I am collecting images from our microscope to attempt to train a cnn to recognize how out of focus the microscope is (this is the article if you are interested, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5943362/). However, there are artifacts on our images as you can see below because of imperfections on the camera and possibly internal microscope lenses. Below is first, a picture taken without anything on microscope and second is a picture of the cells we are working with. Is there any method I could try with matlab to attempt to remove these background artifacts? We are having trouble training the network with our current data (we have done it before with another microscope/camera set that worked quite well) and we think this is the problem. Thanks in advance for any advice!