Diffuse light intensity - Diffuse light intensity

Japanese: 拡散光強度 - かくさんこうきょうど
Diffuse light intensity - Diffuse light intensity

…There are two types of gloss: one that is primarily related to the intensity of specularly reflected light and the other that is related to the clarity of specularly reflected light. The former includes specular gloss and relative gloss, while the latter includes clarity gloss. Specular gloss is a method of expressing gloss using the reflection intensity in the direction of specular reflection, while relative gloss is a method that uses the ratio of the intensity of specularly reflected light to the intensity of diffuse light. Clarity gloss is a method of judging the clarity of a surface on which the image of another object is reflected by projecting a reflected image. …

*Some of the terminology that refers to "diffuse light intensity" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…光沢度には,主として正反射光の強度に関係したものと正反射光の鮮明度に関係したものがあり,前者には鏡面光沢度,対比光沢度,後者には鮮明度光沢度がある。鏡面光沢度とは,正反射方向での反射強度で光沢を表す方法,対比光沢度は,拡散光強度に対する正反射光強度の比を用いる方法である。鮮明度光沢度は,表面に他の物体の像のうつる程度の面について,反射像をうつしてその鮮明度の良否を判定する方法である。…

※「拡散光強度」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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