席世锟,张逸新.基于油墨不同叠印的二阶调频网物理网点扩大的研究[J].包装工程,2012,33(5):93-97.
XI Shi-kun,ZHANG Yi-xin.Study of Physical Dot Gain of Second Order FM Halftone Based on Ink Superposition Conditions[J].Packaging Engineering,2012,33(5):93-97. |
| 基于油墨不同叠印的二阶调频网物理网点扩大的研究 |
| Study of Physical Dot Gain of Second Order FM Halftone Based on Ink Superposition Conditions |
| 投稿时间：2011-10-11 修订日期：2012-03-10 |
| DOI： |
| 中文关键词: 叠印 调频网点 物理网点扩大 油墨铺展 Yule-Nielsen修正光谱聂格伯尔模型（YNSN） |
| 英文关键词: ink superposition FM halftone physical dot gain ink spreading YNSN model |
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| 中文摘要: |
| 建立了二阶调频网点构成的半色调图像光谱预测模型。考虑油墨在不同叠印条件下由于油墨铺展引起的物理网点扩大，采用Yule-Nielsen修正的光谱聂格伯尔模型对打印的二阶调频网点图像的光谱进行预测，然后计算色度值，并与测量值进行比较。实验结果表明，考虑油墨在不同叠印条件下的铺展的EYNSN模型预测的平均和最大色差分别为2.64和6.21，与未考虑油墨铺展的预测结果相比，预测精度有所提高。 |
| 英文摘要: |
| A new spectral prediction model for second order FM halftone prints was developed. Taking into account physical dot gain caused by ink spreading in different ink superposition, we first used YNSN model to predict spectrum of the target composed of second order FM halftone, then calculated color values, last compared color values with the measured values. The experimental result showed that the mean and max ΔE difference between measured values and the values predicted by the new model taken into account ink spreading are 2.46 and 5.86. In contrast with to the color difference predicted by the model not taken into account ink spreading, the new spectral prediction model for second order FM halftone prints has better prediction accuracy. |
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