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color-vision
相关语句
  色视觉
     ObjectiveBased on the basic principle of the color-vision theory and the characteristics of RGB images,simulate the vision of the monochromat and the dichromat or anomalous trichromat.MethodsUse cellular neural network(CNN) models.
     目的基于色视觉理论的基本原理和RGB图像的构成特点模拟全色盲者和红绿色盲者或红绿色弱者的视觉。
短句来源
  “color-vision”译为未确定词的双语例句
     Ccmparisions of Four Kinds of Color-vision Tests on Optic Atrophy
     视神经萎缩时四种色觉检查法的比较
短句来源
     SURFACE COLOR DISCRIMINATION OF ACHROMATIC COLOR IN CONGENITAL RED-GREEN COLOR-VISION ABNORMAL PEOPLE
     先天性红-绿色觉异常者的非彩色表色色差辨别研究
短句来源
     This research was on surface color discrimination of achromatic color in congenital red-green color- vision abnormal people.
     该文就先天性红-绿色觉异常者对非彩色系表色色差的辨别展开了研究。
短句来源
     Because vision sub-system is the first step of the whole system, its speed and accuracy are important to the whole systems speed and accuracy. Real-time segmentation is the first step in the color-vision system on the robot system. A color image segmentation method using improved seed-fill algorithm in YUV color space is introduced in this paper.
     针对机器人彩色视觉系统的实时性要求 ,提出了一种基于 YUV色彩空间的利用阈值向量来分割图象的识别方法 ,并改进了种子填充算法 ,从而明显减少了识别的计算量 ,并在保证识别精度的前提下 ,提高了处理速度 .
短句来源
  相似匹配句对
     COLOR
     冬季女装色彩预测
短句来源
     Physiological Effects of Color Vision
     颜色视觉的生理效应
     Color and Motion in Vision Channel
     视觉通道中颜色与运动信息
短句来源
     Vision
     视觉
短句来源
     New Vision of Chinese Traditional Color-use
     中国传统色彩应用的新视角
短句来源
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  color-vision
With data from a long-range PCR method using the insertion/deletion polymorphism, we proposed a structure of the second gene of 3-gene arrays, Green-pTEX-Green-pTEX-Green-fTEX and Red-pTEX-Red-pTEX-Red-fTEX, in color-vision-deficient subjects.
      
In color-vision-deficient male subjects with a single-gene array, the frequency of the 697?bp region was 83% (25/30) in the array of Green-fTEX and 66% (74/112) in the array of Red-fTEX.
      
Statistically significant outcomes in the P300 and N200 range support the potential fruitfulness of the proposed color-vision-model-based approach to human emotional space.
      
The color-vision approach to emotional space: Cortical evoked potential data
      
Each direction from each color center was assessed 3 times by a panel of 9 normal color-vision observers with the psychophysical method of interleaved staircase.
      
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The present study examined the critical flicker fusion (CFF) of spectrallights and white light at different luminance levels. Flicker was produced byintercepting a beam of light with a sector disk driven by a variable speedmotor. Six wavelengths were used, i. e. 440, 460, 540, 560, 640 and 660 nm.CFF thresholds were determined with three subjects of normal color vision. The results indicated(1) the relation of CFF to log I or to luminancelevels (Ferry-Porter law), for a given range of luminance, is a linear...

The present study examined the critical flicker fusion (CFF) of spectrallights and white light at different luminance levels. Flicker was produced byintercepting a beam of light with a sector disk driven by a variable speedmotor. Six wavelengths were used, i. e. 440, 460, 540, 560, 640 and 660 nm.CFF thresholds were determined with three subjects of normal color vision. The results indicated(1) the relation of CFF to log I or to luminancelevels (Ferry-Porter law), for a given range of luminance, is a linear one,except at the highest luminance level (5087td). White light showed CFFmax and the slope for the curve relating CFF to log I was larger than thatof each of the colored lights. It was shown that luminance is one of the mostimportant determinants for the relation between CFF and log I. (2) Amongcolored lights used, green is higher than those at the extreme ends of thespectrum for either absolute values of CFF or the slope described above.Based on these results, we may infer that the effect of wavelength on therelation between CFF and log I is not negligible. (3) While the differenceof curves described above between middle wavelength and extremes of thespectrum is rather obvious, the difference between the curves of adjacentwavelengths or the same hue is not apparent. It seems that the influence ofwavelength separations on CFF is negligible. (4) Under some luminancelevels absolute values of CFF are lower for white light than those for coloredlights, but the CFF max for white light mentioned is greater than those ofall the wavelengths used under highest luminance levels. Our findings oncemore suggest the reconsideration of the appropriateness of the application ofCIE V(λ) under certain conditions.

本实验研究了不同亮度级的光谱色光(440,460,540,560,640,660nm)和白光的CFF。结果表明:除极高亮度(5087td)外,CFF与logI函数均呈线性关系。白光表现了最大的CFF,其图线斜率大于任何色光的图线斜率。可以见到:亮度是CFF和logI之间关系的最重要的决定因素之一。在所用的色光中,绿色不论在CFF绝对值或其图线斜率方面均高于光谱两端色光的相应数据。从而可以推断:波长对CFF和logI之间关系的效应不可忽视。光谱两端色光曲线的差别明显,而同色区内相邻色的曲线间差异则不显著,这又一次说明波长的区别对CFF的意义重大。在某些亮度水平上白光CFF绝对值低于色光,虽然在最高亮度级时其最大CFF值高于所有色光的相应数据。我们的研究结果再次提出,有必要对CIE V(λ)在某些条件下应用的适当性进行重新考虑。

The characteristics of scotopic ERG in 76 patients(151 eyes)with retinitis pigmentosa were studied.All of them showed abnormal patterns, 84.8% extinguished and 15.2% subnormal.It is demonstrated that extinguished ERG is the main electrophysiological characteristic of this disease.The relations between the changes of scotopic ERG and dark adaptation,of scotopic ERG and visual field and of scotopic ERG and color vision were analysed.

本文总结76例151只眼视网膜色素变性的暗视视网膜电图的特性,全部病例都呈现异常的病理改变,其中84.8%为熄灭型,15.2%为降低型,证实熄灭型为本病主要电生理特征。比较暗视视网膜电图改变与暗适应、视野及色觉变化的关系,发现51.4%的熄灭型眼伴有重度暗适应功能降低,视野缩窄呈管型,部分患者还有色觉障碍,显示不同程度蓝色盲或全色盲,这类病人的预后极差。并观察到某些病人虽其暗适应功能轻度降低,视野呈周边环状缺损,色觉正常,但其暗视视网膜电图为熄灭型,提示此项检查对该病早期诊断意义。

It is considered generally that the vision is not affected in early senile cataract and the contrast sensitivity is a more sensitive quantitativemethod for form vision.Contrast sensitivity wasobtained from 20 patients (33 eyes) with early senilecataract in this study.The patients aged from 49 to73 years,mean 58 years,9men (15 eyes) and 11women (18 eyes).All the patients had the best cor-rected visual acuity of 20/20 and 30/20.The fundusexamination,color vision and IOP were performedin all patients.Ranging from...

It is considered generally that the vision is not affected in early senile cataract and the contrast sensitivity is a more sensitive quantitativemethod for form vision.Contrast sensitivity wasobtained from 20 patients (33 eyes) with early senilecataract in this study.The patients aged from 49 to73 years,mean 58 years,9men (15 eyes) and 11women (18 eyes).All the patients had the best cor-rected visual acuity of 20/20 and 30/20.The fundusexamination,color vision and IOP were performedin all patients.Ranging from 0.5 to 22.8 cycles per degree(cpd),contrast thresholds were determined forstationary sinusoidal gratings at 0.5cpd,1cpd,3cpd,6cpd,11.4cpd and 22.8cpd spatial frequencies.Data from patients were compared with those fromage-matched normal subjects.The results showedthat 18 of the 33 eyes (55%)were abnormal in variedfrequencies.Of these 9 eyes were abnormal in highfrequencies (or with abnormal in medial and/or lowfrequencies),and the other 9 eyes were abnormalonly in medial and/or low frequencieshis findings indicate that contrast sensitivity could be abnormal in early senile cataract while the visual acuity is stillnormal.Therefore contrast sensitivity is a moreeffective method for determination of form vision inearly senile cataract.

一般认为老年性白内障的早期改变不影响视力。对比敏感度是一种比视敏度更为敏感的形觉功能定量检查方法。本文检查了20例33只早期老年性白内障眼的对比敏感度。患者年龄为49~73岁,平均58岁;其中男性9例(15眼),女性11例(18眼)。所有患眼检查前均测得其最佳矫正视力在1.0~1.5。同时还做了眼底、色觉检查及眼压测量。在0.5至22.8周/每度视角(C/D)的空间频率范围内使用0.5 C/D、1 C/D、3 C/D、6 C/D、11.4 C/D、和22.8 C/D 6个空间频率的垂直向静态正弦波光栅测量患眼的阀值对比敏感度,并与同年龄组正常值进行比较。结果表明:33只眼中有18只眼(55%)在不同的空间频率敏感度低于正常值,其中9只眼(50%)在高空间频率(11.4 C/D 和22.8 C/D)对比敏感度异常(或伴有中、低频敏感度异常),9只眼(50%)则只有中、低频区敏感度异常。上述结果说明早期老年性白内障病人当视力还在正常范围时,其对比敏感度已出现异常。因此,对此敏感度是测定早期老年性白内障患者形觉功能改变比较敏感有效的指标。

 
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