Ranking of different Mean filters wr.t. response to salt noise, pepper noise and edge
filter name | Response to salt noise | score | Response to pepper noise | score | Response to edge | comment | |
AMF |
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B+ |
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B+ |
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OK edge response (B+) |
GMF |
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A |
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B- |
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Best edge response (A) | |
Midpoint |
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C |
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C |
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Not good edge response (C) |
Harmonic mean filter |
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A |
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C |
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OK edge response (B) | |
Median |
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A+ |
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A+ |
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Not good edge response (D) |
Maximum |
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F |
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A+ |
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Not good edge response (D) |
Minumum |
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A+ |
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F |
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Not good edge response (F) |
CHM, Q=1 |
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B |
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A |
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Not too bad edge response (C) | |
CHM, Q=2 |
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C | A+ |
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Not too bad edge response (C) |