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
- 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。 - 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。 - Maintaining the correct size, shape, colour and luminance levels of a graphic is obviously very important.
比如，保持正确的尺寸，形状，颜色，流明度方面的问题就明显非常重要。 - 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。 - High luminance LED screen facing the snow trails made skiers can see the news on every spots of trails.
面向雪道的宽幅高亮度LED室外显示屏，使滑雪者在雪道的任意一点都可以看到滚动播出的各种信息； - However, due to the action of an auto-iris, this is not indicative of actual average picture luminance.
但是，由于自动行动的光圈，这不是实际的平均状况亮度指示。 - The present invention provides a display device which can improve the uniformity of the luminance and chromaticity.
要约提供一种能够提高显示板平面内的亮度及色度均匀性的显示装置。 - 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。 - A second luminance signal is formed from the color signals.
第二亮度信号从彩色信号中形成。 - 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。