| Neugebauer方程组修正系数的确定方法 |
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| 引用本文： | 杨力,崔元日,蒋继旺,李向亭,刘真,周丰昆,陈淑芳.Neugebauer方程组修正系数的确定方法[J].测绘学院学报,1996(1). |
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| 作者姓名： | 杨力 崔元日 蒋继旺 李向亭 刘真 周丰昆 陈淑芳 |
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| 作者单位： | 长春光机所 |
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| 基金项目： | 国家应用光学重点实验室资助 |
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| 摘 要： | 在原始的Ｎｅｕｇｅｂａｕｅｒ方程组基础上，引入修正系数ｎｘ、ｎｙ、ｎｚ，可很好地反映油墨层及纸张的光散射和吸收作用及工艺因素的影响，大大提高了Ｎｅｕｇｅｂａｕｅｒ方程组对实际印刷过程的描述精度。本文基于最小二乘原理，通过对一定数量目标色块三刺激值的匹配，精确确定了Ｎｅｕｇｅｂａｕｅｒ方程组修正系数ｎｘ、ｎｙ、ｎｚ。
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| 关 键 词： | 颜色再现，Neugebauer方程组，修正系数 |
The Determination for the Modified Coefficients for Neugebauer Equations |
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| Yang Li,Cui Yuanri,Jiang Jiwang,Li Xiangting,Liu Zhen,Zhou Fengkun,Chen Shufang.The Determination for the Modified Coefficients for Neugebauer Equations[J].Journal of Institute of Surveying and Mapping,1996(1). |
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| Authors: | Yang Li Cui Yuanri Jiang Jiwang Li Xiangting Liu Zhen Zhou Fengkun Chen Shufang |
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| Abstract: | The influence of scattering and absorption of light by the paper. layers of ink and other technological effects, such as screen ruling etc. on half tone reproduction. can be well described by the modified Neugebauer Equations.in which the modified coefficients nx. ny, nz have been introduced. In this paper. a method for determination of the modified coefficients. by fitting the Neugebauer Equations to a number of color samples with known tristimulus values, is proposed. |
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| Keywords: | Color reproduction Neugebauer equations Modified coefficients |
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