Mach band

英語（米国） (en-US) 英語（イギリス） (en-GB)

名詞

Any of a series of bands of slightly different shades of grey that make up an optical illusion where the contrast between the bands appears to be exaggerated as soon as they contact one another.

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When I adjusted the grayscale ramp on the monitor, a Mach band appeared at the border of two tones, making the edge seem more pronounced than it should.

詳細

意味（1）

Any of a series of bands of slightly different shades of grey that make up an optical illusion where the contrast between the bands appears to be exaggerated as soon as they contact one another.

Mach bands （ plural ）