利用六边形网格实现半色调抖动技术的研究

doi:10.3778/j.issn.1002-8331.2009.36.045

计算机工程与应用 ›› 2009, Vol. 45 ›› Issue (36): 151-153.DOI: 10.3778/j.issn.1002-8331.2009.36.045

• 图形、图像、模式识别 • 上一篇下一篇

利用六边形网格实现半色调抖动技术的研究

陈显军^1，3，舒志雄¹，杨明浩¹，秦晨光¹，湛永松^1，2

1.中国传媒大学数字技术与艺术研发中心，北京 100024
2.香港城市大学深圳研究院，广东深圳 518058
3.海口经济学院信息工程学院，海口 570203

收稿日期:2008-12-29 修回日期:2009-03-09 出版日期:2009-12-21 发布日期:2009-12-21
通讯作者: 陈显军

Research of half-toning dithering technique using hexagon grids

CHEN Xian-jun^1，3，SHU Zhi-xiong¹，YANG Ming-hao¹，QIN Chen-guang¹，ZHAN Yong-song^1，2

1.Digital Technology and Digital Art R&D Center，Communication University of China，Beijing 100024，China
2.Shenzhen Research Institute of City University of Hongkong，Shenzhen，Guangdong 518058，China
3.Information Engineering School，Haikou College of Economics，Haikou 570203，China

Received:2008-12-29 Revised:2009-03-09 Online:2009-12-21 Published:2009-12-21
Contact: CHEN Xian-jun

摘要/Abstract

摘要： 针对传统的半色调抖动技术存在水平和竖直方向上的人工痕迹以及网格化轮廓等缺陷，提出了一种新颖的基于六边形网格的抖动矩阵构造方法。首先，将原驱散式Bayer抖动矩阵进行元素重组和离散旋转以构造一个更为合理的抖动矩阵，然后按照新矩阵对图像进行半色调化处理。实验结果表明，该抖动算法不但能够显著消除传统抖动技术所存在的不利因素，而且比其他同类的改进抖动算法具有更强的色调再现能力和细节表现力。

关键词: 半色调, 抖动矩阵, 离散旋转, 色调再现

Abstract: With the issue that most traditional dithering techniques may bring horizontal and vertical artifacts and grid contouring effects，a novel method of constructing the dither matrix is proposed.First of all，a more reasonable dither matrix is constructed through element re-composition and discrete rotation based on the primary dispersed-dot Bayer dither matrix.Then，the new matrix is used for half-toning to remove the above disadvantages effectively.Experiment results show that the new dither algorithm has stronger capabilities of tone reproduction and detail representation compared with other congener progressive dither algorithms.

Key words: half-toning, dither matrix, discrete rotation, tone reproduction

中图分类号:

TP391.41

陈显军^1，3，舒志雄¹，杨明浩¹，秦晨光¹，湛永松^1，2. 利用六边形网格实现半色调抖动技术的研究[J]. 计算机工程与应用, 2009, 45(36): 151-153.

CHEN Xian-jun^1，3，SHU Zhi-xiong¹，YANG Ming-hao¹，QIN Chen-guang¹，ZHAN Yong-song^1，2. Research of half-toning dithering technique using hexagon grids[J]. Computer Engineering and Applications, 2009, 45(36): 151-153.

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[2]	龚晔¹,张逸新²,刘振¹,李中正¹. 半色调加网防伪应用[J]. 计算机工程与应用, 2008, 44(22): 216-218.

利用六边形网格实现半色调抖动技术的研究

Research of half-toning dithering technique using hexagon grids

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