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Noise in photographic images | imatest - imatest | Image Quality Testing Software & Test Charts
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日期：2024-09-20
The appearance of noise is illustrated in the stepchart images on the right. Noise is usually measured as an RMS (root mean square) voltage. The mathematics of noise is presented in a green box at the bottom of this page. The stepcharts in columns (A)-(C)...看更多
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