luminance
英 [ˈluːmɪnəns]
美 [ˈluːmɪnəns]
n. 亮度
COCA.32601
牛津词典
noun
- 亮度
the amount of light given out in a particular direction from a particular area
英英释义
noun
- the quality of being luminous
- its luminosity is measured relative to that of our sun
双语例句
- The second luminance signal is subtracted from each of the color signals to produce second color difference signals.
从每个彩色信号中减去该第二亮度信号以生成第二色差信号。 - In television, the signal used for controlling the luminance values in the picture.
在电视中，用于控制画面亮度值的信号。 - In additional, the luminance step is applied to detect the penumbra.
另外，提出了亮度步长的方法来检测阴影中的半影。 - A new automatic exposure algorithm using luminance histogram of an image is proposed.
提出一种基于亮度直方图的自动曝光控制算法。 - A second luminance signal is formed from the color signals.
第二亮度信号从彩色信号中形成。 - Since color vector angles are only sensitive to hue and saturation but insensitive to luminance, edge information in a color image can be extracted based on them.
利用颜色向量角对亮度不敏感，对色度和饱和度敏感的特性提取彩色图像边缘。 - Objective To study the relation between myopia and luminance with chroma in paper and ink.
目的探讨书写用纸张、墨水的亮度、色度对近视发生的可能影响。 - In video jargon, the brightness is called the luminance signal, while the color is the chrominance signal.
在电视的专门术语中，光亮叫做亮度信号，当颜色成为电视信号的时候。 - The luminance gain has a great affect on the visual range of LLL night vision systems.
亮度增益对夜视仪的视距有很重要的影响。 - This paper discussed the luminance, mechanism of too.
本文对发光机理进行了初探。