A method of choosing ideal subtractive primary colors is presented according to the color reproduction request.
从彩色再现的角度,就彩色复制对色料三原色色度特性的要求以及颜色本身的性质,给出选择既纯又亮的色料三原色的方法,并对色料三原色的理想色度值及其分光反射率曲线的合理确定进行探讨,提出理想的色料三原色应该满足的条件。
RGB tricolor gray value was separated from the picture and blue was selected as image characteristic value.
应用扫描图像RGB三原色灰度值分离理论,根据植物叶片扫描图像像素点的分布特征,选用蓝色灰度值作为特征值,以扫描图像灰度中间值127作为叶面积图像与背景图像灰度值的判读指标,通过叶片像素点的分布比例计算叶片面积。
This method separate the RGB tricolor gray value from the picture, so the leaf area was determined by measuring the proportion of every leaf pixel.
在Windows操作系统下,测量系统采用图像处理技术,根据植物叶片扫描图像像素点的分布特征以及扫描图像灰度值的直方图来确定灰度值的判读指标;应用扫描图像RGB三原色的灰度值分离理论,通过叶片像素点的分布比例提出一种计算叶片面积大小的算法。
anomalous trichromatism
色弱,反常三原色性
Complementary to the three additive light primaries, there are three subtractive primaries.
与加色法三原色互为补色的颜色为减色法三原色。
tricolor printing
三原色放相法，即加色放相法
The subtractive primaries are cyan (a bluish green), magenta (a purplish pink), and yellow;
减色法三原色是青绿色、品红(略带紫色的粉红色)和黄色；
A visual defect characterized by the inability to discern blue and yellow.
蓝色盲，第三原色盲具有不能区分黄色和蓝色的视觉缺陷
Properly combined, the subtractive primaries can absorb all colors of light, producing black.
适当组合时，减色法三原色能吸收光线中的所有色彩，产生黑色。
A Method for Extracting RGB-Color-Regions from Images
一种三原色图像特征域快速提取方法
Additive synthesis: Three-colour process wherein suitable proportion of red, green and blue lights are blended to form the sensation of white. Also called Additive process.
加色作用:把三原色，即红、绿和蓝光按一定比例混合则产生白色感觉的三色法。亦称加色法。
These dye colors are the complementary colors to the three additive primaries of red, green and blue.
这些染料色是加色法的三原色红、绿、蓝的相互补充。
Study on Selection and Compatibility of Three Prime Color Reactive Dyes with High Light-Perspiration Fastness;
高耐光汗复合色牢度活性染料三原色的筛选及其拼色性能的研究
One of the simplest color themories(but the least accurate) is based on three primary colors -- red, yellow, and blue.
其中一个最简单的颜色理论（但是最不精确的）是建立在三原色基础上的——红色、黄色和蓝色。
Through field tricolor ink density measurement and calculation, the actual analysis of aqueous ink tricolor of error.
本文通过三原色油墨实地密度的测定及计算，分析实际三原色水性油墨存在的误差。
an early form of color TV in which successive fields are scanned in three primary colors.
一种早期的彩电，连续的场被扫描成三原色。
Gain and Loss Calculation of Transforming RGB Tricolor Tone with Exponent-TRC
以指数方程变换RGB三原色阶调的得失计算
primary color
原色（红、蓝、黄三色）
Dirty colour: A colour containing three primary colours or any colour with black.
色: 不纯的颜色。它含有黑色或三种原色。
Four-colour process: Colour printing with the three subtractive primary colours (yellow,magenta,cyan)plus black .Also called Full colour printing,Process colour printing.
四色彩印:用三个减色法原色（黄、洋红、青蓝）加上黑色的彩色印刷。
Design of Color Test System Based on Three Element Color Theory;
基于RGB三基色原理的颜色检测仪的设计