At night, it's the extra-sensitive rods that take over — this is why it's difficult to detect color in low levels of light.
夜间，特别敏感的视杆细胞在眼睛视物占有主导地位—这就是为什么在昏暗的光线条件下我们很难看到事物的色彩。
First, the new target is characterised, then an algorithm[color=#FF0000] (a series of rules programmed into a computer) is devised to detect it in scanned samples.
首先，新目标会被识别，[color=#FF0000]然后一个运算法则（一串被输入进电脑的运算法则）会被设计出以在被扫描物品中侦测爆炸物。
For example, inshore fish have good color vision, whereas offshore pelagic fish have limited color vision and detect only a few if any colors other than black and white.
例如，内海鱼类有良好的色彩视觉，而外海中上层鱼类则有有限的色彩视觉只能检测少数黑色和白色以外的其他颜色。
It can detect scanners (or import a.png or.jpg), do color enhancement, and output to a.png.
它可以查找扫描仪(或者导入一个png或者jpg格式的图像)，实施颜色增强，或者输出png图像。
It has been successfully used to detect the wavelength of homogeneous light, and being studied on identification of color difference and the measurement of peak wavelength of polychromatic light.
它已成功地用于单色光波长的确定，对复色光峰值波长的确定以及色差辨识方面获得了成功的应用。
Due to the inherent limitation of the 3-ccd scanners spectral sensitivities, the scanner should be calibrated when using it substitute spectrophotometer to detect the printers color characteristics.
在用3 - CCD扫描仪代替分光测色仪检测打印机彩色特性时，由于扫描仪固有的光谱特性缺陷，需对扫描仪进行校正。
Due to the inherent limitations of the3-CCD scanner's spectral sensitivities, people should calibrate scanner when using it to detect the printer's color characteristics.
在用3 - CCD扫描仪检测打印机彩色特性时，由于扫描仪固有的光谱响应特性缺陷，需对扫描仪进行校正。
AIM: To detect the flow frequency spectrum of diabetic rabbits with color Doppler imaging (CDI), and evaluate the flow characteristic and occurrence mechanism of early diabetic retinopathy (DR).
目的：应用彩色多普勒技术检测糖尿病兔视网膜血流频谱，旨在探讨糖尿病视网膜病变早期血流变化的特点及其发生机制。
The new algorithm based on color hue is put forward to detect the shadow of moving object, and the shadow is detected successfully.
提出了基于颜色色度信息的阴影检测算法，成功地检测出运动物体的阴影。
To detect and segment the shadow accurately, an algorithm based on body color vector matching is presented.
为了准确检测与分割阴影，提出了基于体色向量匹配的阴影检测与分割算法。
Objective To detect the color damage in patients with idiopathic neuritis (ION) after the treatment.
目的观察特发性视神经炎(ION)患者治疗后色觉损害情况。
Four color fluorescence activated cell sorting (FACS) analysis was applied to detect the expression profiles of adhesion molecules and chemokine receptor CXCR 4 on CD34 bright cells.
应用四色荧光活化流式细胞术(FACS)检测CD 34 +细胞其粘附分子及趋化因子受体CXCR -4的表达谱。
The commonly used stool occult blood tests rely on chemical color conversions to detect microscopic amounts of blood.
常用的大便潜血试验的方法就是依靠化学色素转化来检测微量血液。
That can be used to detect a specific color or vehicle or other object of interest.
因此它能用于探测特定的颜色、车辆或其它目标。
In this paper, we present a multi-feature optimal fusion algorithm, inclusive of skin color, to detect one or multiple faces in color image with complex background.
本文针对复杂背景下的彩色图像，提出了一种包含肤色的多特征信息优化融合的人脸检测算法。
Methods Using color Doppler flow imaging to detect the pulmonary blood color and continuous wave Doppler echocardiogram to measure the pulmonary flow velocity.
方法用彩色多普勒超声观察心腔和肺动脉内的血流颜色变化，并用连续多普勒超声测量肺动脉内血流速度。
Among the various hydrogen leak detection methods, the way to detect hydrogen with hydrogen inducing color change materials shows its intrinsic safety property.
在众多的氢气泄漏检测方法中，光学色敏示氢检漏法显示出其本质安全的特点。
Objective to detect pregnant women's blood of superior thyroid artery in the second trimester of pregnancy through color ultrasound, to evaluate fetus skeleton development in uterus.
目的经彩超检测妊娠中期孕妇甲状腺上动脉血流，用于评估宫内胎儿骨骼发育。
It is also a practical method to detect the motion human face in digital videos combined with the motion information, gray level information and skin color information.
同时，也是一种充分利用了视频图像运动信息和人脸肤色信息进行运动人脸检测的实用方法。
An algorithm that integrates gray scale gradient cue and color histogram cue to detect the human head is proposed.
提出了结合图像灰度梯度信息和彩色直方图信息的人头识别算法。
On the basis of eigenfaces idea, this paper proposed a new concept as eigen skin-color, and proposed a new method to detect human faces using eigen skin-color.
本文根据特征脸方法的思想，提出了特征肤色的新概念，进而提出了一种新的基于特征肤色的人脸检测方法。
The eigen skin-color method is for the color images. For gray images, this paper USES face recognition method based on hidden Markov models to detect human faces.
特征肤色的方法是针对彩色图像的人脸检测方法，针对灰度图像本文采用基于隐马尔可夫模型的人脸识别方法来检测人脸。
Grain color selector with photoelectricity technology, is used to detect and separate the bad works from the grain compound, based on the differences of color and shape.
谷物色选机利用光电技术，根据颜色和形状的差别，从谷物中将颜色不正常或感染了病虫害的异色粒、被害粒以及石子等外来夹杂物检出并分离。
In this paper, AFLP was used to detect feather color trait in mule duck and its female parent Beijing duck.
本研究初步利用AFLP标记对半番鸭及其母本-北京鸭进行检测。
Methods: With color Doppler energy imaging techniques to detect blood flow of central artery of retina in30normal cases for control and71cases of diabetics.
方法：采用彩色多普勒能量成像的方法，对30例正常人和71例糖尿病患者视网膜中央动脉的血流进行了检测。
In order to improve the color of apple juice concentrate, HPLC was used to detect the contents of phenolic compounds in the unit operation of concentrated apple juice production.
为了提高苹果浓缩汁的色值指标，采用HPLC法，对苹果浓缩汁生产单元操作中酚类物质的含量进行检测。
The algorithm uses double rules to detect shadows:Rule 1 makes use of the character of HSV color space which corresponds closely to the human perception of color;
提出了一种新的基于HSV颜色信息和一阶梯度信息的阴影剪除算法，该算法运用双重准则检测阴影：准则一利用了HSV颜色空间与人观察彩色的方式十分接近的特性；
The algorithm uses double rules to detect shadows:Rule 1 makes use of the character of HSV color space which corresponds closely to the human perception of color;
提出了一种新的基于HSV颜色信息和一阶梯度信息的阴影剪除算法，该算法运用双重准则检测阴影：准则一利用了HSV颜色空间与人观察彩色的方式十分接近的特性；
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