1) Threshold contrast-detail detectability
阈值对比度-细节检测能力
2) contrast threshold
对比度阈值
1.
Object: To evaluate mesopic contrast threshold under 3 kinds of background and to explore the effect of adaptation time, adaptation luminance and glare on contrast threshold of human s eye.
目的评估3种背景环境下的中间视觉对比度阈值,并探讨暗适应时间、背景亮度和眩光对人眼对比度阈值的影响。
3) contrast detection threshold
对比度觉察阈值
1.
The goal gratings of five frequencies with different mean luminance were displayed on a CRT display,the contrast detection thresholds under different condition were measured for 9 young observers,and the curve reflecting the relationship between luminance and contrast detection threshold was obtained.
用CRT显示器显示5种频率的目标光栅,通过改变矩形波光栅的平均亮度,测量了9名男性青年在不同平均亮度条件下的对比度觉察阈值,并得出亮度与对比度觉察阈值间的关系曲线,从而探讨人眼在显示器亮度范围内的亮度视觉特性。
4) Image threshold contrast
图像阈值对比度
5) contrast threshold of human visual
视觉对比度阈值
1.
A smokescreen total obscure power(TOP) testing system,based on illumination measurement technology and contrast threshold of human visual is developed.
基于辐照度测量法和以人眼视觉对比度阈值为基准,研制了烟雾全遮蔽能力检测系统。
6) Threshold image contrast enhancement
阈值对比度增强
补充资料：察觉细节能力
察觉细节能力：指对物体或图形的有关细节具有正确的知觉能力，对于图形的明暗、线的宽度和长度作出视觉的区别和比较，看出其细微的差异。对于生物学家、建筑师、测量员、制图员、医生、药剂师、画家、无线电修理工来说，需要较强的形态知觉，而对于历史学家、政治学家、社会服务人员、招待员、售货员、办公室职员来说，形态知觉就不显得很重要了。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条