Unverified50% confidenceSolutionExact time
The order of morphological processing matters: first use median filtering or small-spot removal to eliminate isolated background pixels, then apply despeckling to the inverted image to close pinholes inside the lines. If the order is reversed, dust spots will be welded onto the lines, forming even worse clumps.
1
Sources
50%
Confidence
Long-term
Relevance
10/16/2026
First Seen
Sources
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