There are interactions in the effects of VDT luminance contrast and screen luminance on operator's visual performance.
VDT的亮度对比度和屏面亮度在对操作者视觉功能的影响中,存在着交互作用。
As to sea image, the variance feature of region of interest and the luminance contrast feature between target and background are used to fusion recognition.
对于海面图像,分别采用感兴趣舰船目标区域的方差值、目标和背景亮度对比度这两个特征对目标进行融合识别。
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。
Locus of points on a surface at which the luminance is the same, for given positions of the observer and of the source or sources in relation to the surface.
对于给定的观察者位置,和给定的光源位置或者与光源相关的发光表面来说,该表面或曲线上各点的亮度相同。
In this paper, the relation of cloudy sky luminance with particle scatter and air mass is discussed by using the results of atmospheric and geometrical optics.
利用大气光学和几何光学的成果,讨论了阴天天空亮度与粒子散射和大气质量的关系,从微观机理上说明了阴天空最大亮度元的存在性,并得到了有趣的结果。
CCD imaging luminance meter of wider range measure is obtained by using CCD with the function of charge cumulation, using methods of charge and digital cumulation.
采用具有电荷累积功能的面阵CCD器件,电荷累积与数字累积相结合的方法,提出了可获得更大范围量程的CCD成像型亮度计系统。
The functions can be realized by the system, for example, display in same time about image, test frame, luminance value and set parameter, and wide-range measure...
该系统的建立,可实现图像、测试框、亮度值、设定参数的同屏显示及宽量程测量等多种功能。
As shown in the following code snippet, the bright-pass filter first maps the scene to a desired middle gray target luminance before subtracting out the dark areas.
下面的代码片段展示了光亮过滤器在减去黑暗区域之前首先映射场景到希望的中等灰度的亮度的物体。
The operation principle of luminance control of field emission display(FED) is introduced based on the modulating characteristic and the feature of matrix addressing.
根据场发射显示器(FED)显示单元的调制特性和矩阵寻址方式特点,分析了其亮度控制的原理和实现方法。
The principle for testing the image tube luminance and background is discussed. The constitution of the instrument and processing methods of test data are introduced.
论述像管亮度增益与背景测试仪的原理,介绍仪器的组成以及测试数据的处理方法。
The functions can be realized by the system, for example, display in same time about image, test frame, luminance value and set parameter, and wide-range measure, etc.
该系统的建立,可实现图像、测试框、亮度值、设定参数的同屏显示及宽量程测量等多种功能。
According to the requirement of luminance measurement, the model of optical system was constructed and the optical and mechanical parts of illuminometer were designed.
分析亮度测量要求,建立了亮度仪光学系统理论模型,设计光学及机械结构。
Using these shapes, the team arranged the two "shoals" so that they had the same overall surface area and luminance even though they contained a different number of objects.
同类鱼群”被分成两组,两组”鱼群”是由整体表面积和亮度都一致的几何形状组成的,只是每组里”鱼群”内个体数量不一样。
Because the luminance is set to Max, the color will still be white, so we'll need to lower the luminance to change the color from bright white to the hue value you picked.
因为亮度被设置为最高的原因,色彩仍是白色,因此我们必须降低亮度以达到你所期望的效果。
This paper introduces an advanced gray scale compensator for NW TN LCD. It provides excellent grad scale stability, particularly for low luminance in the vertical direction.
介绍一种NWTNLCD用高级灰度补偿器,它可给出优良的灰度稳定性,特别是在垂直方向内的低亮度灰度稳定性。
Photometers are specifically designed to measure emitted, reflected or transmitted light in photometric terms of luminous flux, luminance, illuminance or luminous intensity.
光度计是专门用于测量发射,反射或透射光的光通量,亮度,照度或发光强度等。
The sharp variation of luminance at the entrance and exit of highway tunnel will cause the difficulty in visual adaptation of the driver, and even lead to traffic accidents.
公路隧道进出口亮度的急剧变化会造成驾驶员视觉适应困难,严重时甚至导致交通事故。
The electro luminance timing effects and the voltage current timing effects have been measured and compared with that of the similar electroluminescent device inorganic LED.
实验表明有机薄膜发光的电光时间效应与LED器件相比有其特殊性。
The designers and product, reflective pixels, enhancing luminance, presenting colors and driving the pixels of color reflective liquid_crystal are emphasis described. Finally.
着重介绍彩色反射式显示器的设计和制作技术、显示亮度的增强、色彩的呈现以及象素的驱动。
The proposed method determines the motion activity and visual content change of the MPEG compressed video by using the luminance DCT DC value, macroblock type and motion vector.
本文算法利用亮度DCTDC值、宏块类型和运动向量来确定MPEG压缩视频中运动活动和视觉内容变化。
With the proximity focused diode image intensifier coupled to a low luminance el display, and a photocathode instead of a field-emitter, a new photocathode display is developed.
详述了近贴聚焦二极管像增强器与低亮度矩阵el显示屏耦合,用光电阴极代替场发射电子,开发出一种新型显示器。
However, with overall consideration of design, 4000K is the only colour temperature used in this project. Intense and dimmed lights are simply achieved through luminance control.
而我们的灯光设计从总体考虑,却单单使用4000k,用亮度控制,形成最纯粹的光的强弱变化;
The proposed tracking method is demonstrated through two real infrared image sequences, which include the changes of luminance and size, and the drastic abrupt motions of the target.
通过两个包括亮度和尺寸变化以及目标的严重突变运动的红外序列,验证了提出的跟踪算法的有效性。
The testing and evaluating results of OLED sample panel proved that the testing bench and the evaluating method of OLED luminance uniformity based on CCD are convenient and available.
给出了OLED样板的测试评估结果,表明了这种基于CCD的测试平台与评估理论的方法是快捷而有效的。
An ABL circuit (4) calculates a luminance limit quantity (BL) based on luminance limit characteristics, the average luminance level (APL) and the power consumption limit quantity (PL).
ABL电路(4)根据亮度限制特性、平均亮度级别(APL)和功耗限制量(PL)算出亮度限制量(BL)。
The research on the appraisal to the road lighting quality should use luminance standard and small target visibility level which are more conform to the human eye visual characteristic.
研究道路照明应以更加符合人眼视觉特性的亮度指标和可见度指标对道路照明质量进行评价。
The operating range for extended target is calculated by considering of the target finding ability of eyes, contrast of target luminance, discrimination level and detection probability.
并综合考虑人眼的目标发现能力、目标的亮度对比度、观察等级和探测概率的要求,计算出面源目标的作用距离。
The operating range for extended target is calculated by considering of the target finding ability of eyes, contrast of target luminance, discrimination level and detection probability.
并综合考虑人眼的目标发现能力、目标的亮度对比度、观察等级和探测概率的要求,计算出面源目标的作用距离。
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