visual contrast

The dyes offer high visual contrast for viewing and next-generation prints .

染色使胶片在浏览和新一代印刷时具有很高的视觉对比度。

NBI changes the white light normally emitted by the colonoscope to a bluish light , providing a narrower wavelength and enhancing visual contrast of the surface structure of the colon .

窄带成像技术将结肠镜常规发射的白光改变为蓝光，以此提供一个较窄的波长，加强结肠表面结构的视觉对比度。

A simple method of measuring visual contrast sensitivity function

视系统对比敏感度函数（CSF）的一种简易测定

The visual contrast effects of grey scale were estimated as 4 grades .

灰阶增强依视觉效果分为4级。

The bright red lip and the white skin in the Lady will give viewers a sharp visual contrast .

《仕女》中鲜明的红唇与雪白肌肤成了强烈对比。

The visual contrast was qualitatively graded as0,1 + . 2 + and3 + .

视觉造影效果以0，1+，2+和3+的分级方法进行定性分析。

When he took the stage with Jean-Claude Trichet , President of the European Central Bank , in Davos this year , the visual contrast could not have been greater .

今年在达沃斯，当他与欧洲央行行长让-克洛德特里谢（jean-claudetrichet）同台露面时，两个人在外观上的对比再鲜明不过了。

Then , the research confirmed this assumptions through the experiment one . Secondly , this study explores two factors : the visual contrast and the amount of abrupt-onset object ( quantity and size of abrupt onset objects ) .

本研究通过实验一证实了这个假设。其次，本研究探讨了在变化盲视现象中突现效应的两个影响因素：突现客体的视觉对比度和突现客体的量（面积和数量）。

Changes in luminance of visual field and contrast sensitivity

视场亮度变化对视觉对比感受性的影响

This time she compared avid gamers with nongamers on a type of visual perception called contrast sensitivity .

这次她将贪玩游戏的人和不玩游戏的人进行了对比，比较了一种被称为“对比敏感度”的视觉指标。

The figurative realism of western paintings and the spirit of traditional Chinese painting have strong visual and content contrast .

西方具象写实绘画与中国绘画，一直拥有视觉和内容上的强烈反差。

Subjective sensation , visual acuity , contrast sensitivity and FM 100 color vision were recorded at 1 week , 1 month , 3 months , 6 months after operation , respectively .

术后1周，1，3，6月时，分别询问主观感觉、测量视力、对比敏感度、色觉。

In the FPGA system , after image enhancement processing of adaptive histogram equalization , the images are improved significantly , such as in visual images , contrast enhancement . The results achieve the purpose of this article .

在FPGA系统上，采用自适应直方图均衡化图像增强处理后，图像视觉效果明显改善，对比度增强，成像效果理想，达到了本文的研究目的。

Visual acuity , contrast sensitivity , stereoscopic vision and color vision were examined before and 1 week after neodymium - yttrium aluminum garnet ( Nd : YAG ) laser posterior capsulotomy .

两组患者分别于掺钕钇铝石榴石（Nd：YAG）激光晶状体后囊切开术前及术后1周进行患眼及对侧眼最佳矫正视力、对比敏感度、立体视觉、色觉等视功能检查。

Examinations to establish visual acuity and color contrast examination shall be conducted with personnel involved in inspection and NDE activities .

从事检验和无损检验工作的人员，应接受视力和色对比度检查。

Methods measurements of contrast sensitivity at 6 spatial frequencies and visual acuity at 4 contrast levels were made in 39 asthenopes .

方法采用对比敏感度函数中6种空间频率和对比视力表中4种对比度的视标对有关人员进行测试。

Rhythm permeates the script , action , camera and sound clips in various production areas . No rhythm , there is no plot ups and downs in visual arts , no contrast between warm and cold colors , no more the vivid and moving characters .

它渗透在剧本、动作、镜头剪辑和声音各个制作环节中，没有节奏，影视艺术就没有情节的起伏跌宕，也没有色彩的冷暖对比，更没有人物的生动感人。

In this paper , the characteristics of the human visual system are verified and the thresholds of visual contrast sensitivity and the luminance levels of each gray-level are given by experiment .

文章采用简单的实验验证了人眼视觉所具有的亮度掩蔽特性，得到了不同灰度级上的相对灵敏度阈值及人眼可分辨的亮度层次。