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Edge enhancement in the retina Compare these grey squares. Do they look the same, or different
Edge enhancement in the retina Now compare them. What do you notice? A B
Edge enhancement in the retina What about this way? What do you notice? A B
Edge enhancement in the retina Now move them closer . . . What happens? Which is darker? A B
Edge enhancement in the retina Now swap them What happens? Which is darker? A B

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