brightness

Japanese: brightness
brightness

...We often use words such as "this room is bright" or "this room is dark" to express our senses, but in specialized fields such as color science, the word "brightness" is used more strictly. In other words, the word "brightness" is used only for the light source color. The light source color is the color of the light source that illuminates an object, which is the color itself, so to speak, and is distinguished from the color of the object that we see when we look at it, that is, the object color. ...

*Some terminology explanations that mention "brightness" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…この部屋は明るい,あるいは暗いなどと日常でよく使っている人間の感覚を表現する言葉であるが,色彩学などの専門の分野ではもう少し厳密な使い方をしている。つまり,明るさbrightnessという言葉は光源色のみに対して用いるのである。光源色とは物体を照らす光源の色であり,いわば色そのものであって,物体に対して私たちが見る物体の色,すなわち物体色とは区別されている。…

※「brightness」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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