luminance

['lu:minəns]

n. 发光, [物]亮度

n.

1. 发光性

2. 【物】明视度

luminance

luminance['lju:minəns]n.1.■光明；光辉；灿烂2.■发光(性);放光状态[亦作 luminosity]3.■【光学】亮度；照度

1. [mass noun](Physics)the intensity of light emitted from a surface per unit area in a given direction
   (物理)亮度
   ■the component of a television signal which carries information on the brightness of the image
   （电视信号中的）亮度信号
   

1. late 19th cent. (as a general term meaning 'light, brightness'): from Latin luminant- 'illuminating' (from the verb luminare) + -ance
   

luminance

名词 luminance:

the quality of being luminous; emitting or reflecting light

同义词：luminosity, brightness, brightness level, luminousness, light

luminance

■Redesign of color luminance meter BM-5

BM-5彩色亮度计的改造设计

■Techniques to overcome CCD image deficiencies result in loss of luminance, color saturation and detail, delivering less accurate data for intelligent video solutions.

CCD图像采集的缺陷补偿技术会引起下列问题：图像流明度下降、图像色饱和度损耗、图像细节丢失以及传送给智能图像解析系统的数据精确度下降。

■HDR images, as you may know, have wider luminance data stored than other formats.

HDR图片，就象你所知道的一样，比其它图片的格式多出了具有更大取值范围的亮度数据存储格式。

■Two dimensional analysis of HDTV luminance signals

HDTV亮度信号二维频谱分析

■Using Ir(C6)_2(acac)as dopant and Alq_3 as electron transporting host with the same structure,a green color(CIE coordinates x=0.29;y=0.58)and a max luminance of 8 832 cd/m2 and an efficiency of 5.6 cd/A(quantum efficiency 1.5%)are obtained.

y=0.40的橙红色发光器件,最高亮度可达3 390 cd/m2,最大电流效率为1.3 cd/A。 采用同样的器件结构以Ir(C6)2(acac)掺杂Alq3主体得到绿色发光器件,发光色的CIE坐标值为x=0.29;

■An international unit of luminous intensity per projected area normal to the line of observation. Luminance may be described in units of Candelas per square meter, or nits.

一个发光的强度的国际单位每计画的地区与观察的线垂直。亮度可能被每平方米或者尼特用坎德拉的单位描述。

■The luminance difference of a given target under given viewing conditions that the average human observer can just perceive.

一个规定的目标的亮度差别在下面假使有观看条件平均人观察者能请察觉。

■An image quality assessment method related with luminance details

一种与亮度细节相关的图像质量评价方法

■An image quality measure based on luminance levels

一种基于亮度层次的图像质量评价方法

■One is the unpolarized light luminance emhancement backlighting unit,the other is the polarized light luminance enhancement backlighting unit.

一种是非偏振光亮度增强型背光源，另一种是偏振光亮度增强型背光源。

■In graphical form, here is a chart that shows a comparison of the JPEG luminance and chrominance across the default presets, each with the equivalent JPEG standard "quality factor".

下面是默认设置下的jpeg亮度和色度的对比图表，每个都有对应的jpeg标准质量系数。

■However, Samsung offers a three-year guarantee on its LED backlights, so you should be covered if uneven colour or luminance did manifest themselves.

不过，三星提供了一个为期三年的保证，就其LED背光源，因此，您应涵盖如果不平衡，肤色或亮度没有体现出来。

■A Research on Mesopic Equivalent Luminance of Non-spectral Colors

中间视觉时颜色光等效亮度研究

■mid-frequency luminance nonlinearity

中间频率亮度非线性

■To produce an image with true luminance, the high dynamic range (HDR) image capturing technique is a good solution.

为了让产生的影像可以显示实际环境的亮度分布，产生高动态范围(HDR)影像的技术应该是较佳的解决方案。

■To solve this problem，an improved algorithm is proposed，which introduces two-level detection and utilizes both luminance and chrominance information.

为此提出一种改进型算法，采用两级检测方式，兼用了像素的亮度信息和色度信息。

■In this paper, analyzes two dimensional characteristics of the spectrum of HRI luminance signals mainly and gradually builds up its mathematical model and three dimensional sample spectrum model.

主要分析了HRI亮度信号的空间频谱特性，并逐步建立其二维频谱的数学模型和二维抽样谱模型。

■They were illuminant,visual field,background,and luminance.

主要探讨了影响色差评定的因素:光源、视场、背景、照度。

■Luminance: The apparent brightness of a light source or surface observed from a specific direction, It is measured in cd/sq.cm. Also called Brightness.

亮度:光源或物体表面在一定方向观察所显现的光亮情况。以烛光每平方厘米计。

■a unit of luminance equal to one thousandth(10-3) of a lambert

亮度单位，等于千分之一（10－3）朗伯

■Separating luminance and chrominance information saves image processing bandwidth.

亮度和色度信息的分离，可以节省图像处理带宽。

■Motion Perception of luminance and color contrast in glaucoma

亮度和颜色参与时青光眼视觉运动觉的变化

■Luminance resolution is better than other like-products.

亮度清晰度均优于同类产品。

■weighted random noise in luminance channel

亮度通道加权随机噪声

■Luminance sampling rate and the bit rate are set to the maximum in the profile/level.

亮度采样率和比特率使用档次和级别组合所允许的最大值。

■Luminance, Gamma, Color temp.

亮度，伽玛，色温。

■Luminance: The measured value of brightness; reflected light measure on motion picture screens as foot lamberts or candelas per square meter.

亮度：明亮度的测量值；电影银幕上的反射光亮度量为每平方米多少个呎朗伯特或烛光单位。

■luminance chrominance separation

亮色分离

■The chip for separating luminance and chrominance contributes lot to the digitized TV.

亮色分离芯片在当前的数字化电视中起着很重要的作用。

■Electric design in making medicament from power distribution electric, luminance, annihilating germ by ultraviolet radiation, fire alarm, wire and tube and so on, was discussed briefly in this paper.

从动力配电、电气照明、紫外线灭菌、火灾报警和电气管线等几个方面对制剂厂的电气设计作了简要的论述。

■This paper brings forward a frangibility blind digital watermark algorithm based on mark strong watermark.It selects three luminance DCT coefficients at random,then embeds watermark information.

从基于标识性鲁棒水印出发,提出了一种脆弱性防篡改盲数字水印算法,即任意选择3个亮度DCT系数嵌入水印信息。

■HSOT LGP could not only increase the luminance and uniformity of backlight but also reduce the cost of the backlight system with fewer optical films.

体散射导光板不仅可以提高亮度、均匀性等光学性能，还可以节省增亮片、扩散片等光学膜片达到降低背光源成本的目的。

■Development and analysis of phosphor screen, a part of field emission plat panel display, determine the device performance on luminance, resolution and life.

作为场发射平面显示器件的组成部分之一，荧光屏的研制与结果分析决定了该显示器件的亮度、清晰度、分辨率和寿命等性能。

■It segmented image with region growing.Then local adaptation luminance was computed via region-based bilateral filter.It outputted low dynamic range images in conjunction with tone mapping operator.

使用区域生长法对图像进行分割，然后采用基于区域的双边滤波技术来计算每一像素的局部适应亮度，再联合色调映射算子获得可显示的低动态范围图像。

■For example, previously has been used as a zinc sulfide-afterglow phosphor, but the light-emitting too short, the luminance is not enough.

例如，以前一直使用硫化锌作为余辉型荧光体，但发光时间太短，辉度也不够。

■Study of optical characteristic point luminance control method

光学特征点亮度控制方法研究

■Luminance efficacy of a source of light

光源辉度效力

■High luminance effect, long-life, better light color. It is used in airport, pool, film, stage and so on.

光色好,具有多种光束形状。适用于机场、水池、影视、舞台等专业照明。

■High luminance effect, long-life, better light color. It is used in film, stage, electrical education and so on.

光色好。体积小巧。适用于影视、舞台、电教、投影等专业照明场合。

■Correction of Non-linearity of Luminance For Color LED Display

全彩色LED大屏的亮度非线性修正

■The OLC (Omni-directional luminance control ) provides excellent even lighting without glare.

全方位反射，配光均匀，无眩光。

■city lighting; luminance ratio; chromatic light;

关键词：城市照明;亮度比;光色;

■And the TFT-LCD is the only one display, which can compete with CRT in luminance, contrast, power consumption, life, cubage and weight.

其中TFT-LCD是目前唯一在亮度、对比度、功耗、寿命、体积和重量等综合性能上全面赶上和超过CRT的显示器件。

■Devices with structure-of ITO/NPB/BCMVBi/PBD/LiF/Al and ITO/NPB/BCPVBi/PBD/LiF/Al have many such as low turn-on voltage, high luminance and high efficiency.

其中三层结构器件:ITO/NPB/BCMVBi/PBD/LiF/Al和ITO/NPB/BCPVBi/PBD/LiF/Al器件性能优越,具有低启动电压,高亮度,以及高发光效率等诸多优点。

■The mixture reagent of hexane and acetone that brings good side-glowing luminance is used to treat the optical fibers' surface.

其中光纤表面采用侧发光处理效果较好的正己烷与丙酮混合试剂处理。

■The built-in luminance stabilizing system provides stability in luminance for a long period of time.

内置的亮度稳定系统提供稳定的亮度为在很长一段时间。

■separate luminance color television came

分离亮度彩色电视摄像机

■Error creating library luminance texture.

创建粒子库亮度纹理错误.

■Error creating project luminance texture.

创建项目亮度纹理错误.

■coefficient of initial retroreflected luminance

初始逆反射亮度系数