The RMS granularity is a measure of the graininess of a photograph, which is measured by scanning the image with a microdensitometer to determine the root mean square of the density deviation at multiple measurement points. *Some of the terminology that refers to "RMS granularity" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…また,拡大した写真像を種々の距離で観察し,粒状の識別される限界の距離を求める方法もある。物理的粒状性を求めるには写真像をマイクロ濃度計で走査して多数の測定点の濃度の偏差の2乗平均根を求める方法があり,この方法で求めた粒状はRMS粒状度という。 ※「RMS 粒状度」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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