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 and luminous efficiency tested in experimental panel show the same variations with the simulation results.
老炼平台的实验测试结果也表明了同样的趋势。 - 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。 - Reviewing the Connection Between Luminance and Illuminance in Road& Tunnel Lighting
重视道路和隧道照明中亮度与照度的关系 - Simple white Screen uses the best luminance of your cell phone to help you get light in the night.
简单的白色屏幕使用最佳的亮度的手机来帮助你得到光在晚上。 - 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。 - 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； - 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。 - 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。 - 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。 - 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。