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 luminance signal in color video.
彩色电视中的亮度信号。参阅YIQ，YUV。 - 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。 - Through calculating on the luminance, chrominance and gradient density of the moving foreground region. a shadow judging function was constructed.
通过对前景运动区域像素的亮度、色度和梯度密度的计算，得到一个阴影判断函数。 - 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。 - In television, a short duration variation in the luminance following a step change in the video signal.
电视技术中，电视信号在出现一个阶跃变化后引起亮度的短时间闪烁。 - This paper discussed the luminance, mechanism of too.
本文对发光机理进行了初探。 - Creates a result color with the luminance and hue of the base color and the saturation of the blend color.
用基色的亮度和色相以及混合色的饱和度创建结果色。 - The second luminance signal includes second weights different from the predetermined weights.
该第二亮度信号包含与预定加权不同的第二加权。 - 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。