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一种改进的半色调误差扩散算法

An Improved Halftone Error Diffusion Algorithm for Midtone
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摘要 回顾了E-D算法的改进情况,对E-D相关算法的半色调结果图在色调中值时出现的假纹理结构进行了分析,指出用黑白相间的棋盘结构替换假纹理结构,可以得到更好的纹理结构,并给出了算法和试验的结果,最后对比分析三种E-D算法的结果图及其傅立叶谱,证明该方法行之有效. The article reviews many improved error diffusion algorithms, presents their improved aim and implemented methods. Then it analyses their common drawback and gives artifacts basic structure when midtone. The author indicates using chessboard structure as halftone background will improve quality when midtone. At last some halftone image to their Fourier spectrum are compared and prove the method.
作者 朱国仲 刘建华
机构地区 华北水利水电学院
出处 《中原工学院学报》 CAS 2007年第3期17-19,23,共4页 Journal of Zhongyuan University of Technology
基金 河南省科技攻关项目(0524220064)
关键词 半色调 误差扩散 阈值 谱 反馈 halftone error diffusion threshold spectrum feedback
分类号 TP391 [自动化与计算机技术—计算机应用技术]
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参考文献12

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二级参考文献10

  • 1Mese M, Vaidyanathan P P. Recent Advances in Digital Halftoning and Inverse Halftoning Methods[J]. IEEE Transactions on Circuits and Systems, 2002, 49(6): 790-805.
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共引文献14

中原工学院学报
2007年 第3期

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