luminance

英 [ˈluːmɪnəns]

美 [ˈluːmɪnəns]

n.  亮度

计算机

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
  1. its luminosity is measured relative to that of our sun
  Synonym:luminositybrightnessbrightness levelluminousnesslight

双语例句

• A second luminance signal is formed from the color signals.
  第二亮度信号从彩色信号中形成。
• 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。
• 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 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。
• Luminance and chrominance correction for multi-view video using multiplicative and additive errors
  多视点视频中基于乘加误差模型的亮度和色差校正
• The luminance signal in color video.
  彩色电视中的亮度信号。参阅YIQ，YUV。
• 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。
• The System can reckon by time, count down and adjust LED luminance automatically.
  系统具有正、例计时和自动调节LED显示亮度的功能。
• 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。
• 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。