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 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。 - 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。 - 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。 - 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。 - 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。 - The theory of rare earth's luminance is discussed through measuring and comparing the cell's spectra and electric property.
同时，通过对器件光谱及电学特性的测量、比较和分析，探讨了有关稀土电致发光机理等问题。 - 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。 - The luminance signal in color video.
彩色电视中的亮度信号。参阅YIQ，YUV。 - 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。 - 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；