| 基于双向反馈的自适应误差扩散半色调算法 |
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| 引用本文： | 钟平,钟建军,张伟,潘涌.基于双向反馈的自适应误差扩散半色调算法[J].应用激光,2008,28(4). |
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| 作者姓名： | 钟平 钟建军 张伟 潘涌 |
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| 作者单位： | 1. 东华大学理学院,上海,200051
2. 上海市激光技术研究所,上海,200233;上海市激光束精细加工重点实验室,上海,200233 |
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| 基金项目： | 上海市科委应用技术开发项目 |
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| 摘 要： | 误差扩散算法是图像进行半色调处理的主要方法,广泛地应用于各种二值图像处理设备.针对传统误差扩散中的"龟纹"和"伪轮廓"现象,在基于双向反馈误差扩散算法的基础上,提出一种双向反馈自适应误差扩散半色调算法,它不仅在误差扩散后的高频和低频成分中加入了中间频带,使图像更趋于均匀和柔和,并且通过自适应的方法,随图像特性动态修改误差扩散滤波器系数,最大程度地克服由于固定系数扩散所产生的方向性纹理缺陷,使处理后的二值图像更加充分地表现原图像信息.采用激光雕刻设备证明了该算法的有效性.
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| 关 键 词： | 数字半色调 误差扩散 自适应误差扩散算法 双向反馈TP751 |
Adaptive Error Diffusion Algorithm Based on Bidirectional Feedback |
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| Zhong Ping,Zhong Jianjun,Zhang Wei,Pan Yong.Adaptive Error Diffusion Algorithm Based on Bidirectional Feedback[J].Applied Laser,2008,28(4). |
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| Authors: | Zhong Ping Zhong Jianjun Zhang Wei Pan Yong |
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| Affiliation: | Zhong Ping1,Zhong Jianjun1,Zhang Wei2,3,Pan Yong2,3(1College of Science,Donghua University,Shanghai 200051,China,2Shanghai Institute of Laser Technology,Shanghai 200233,3Shanghai Key Lab of Laser Beam Micro-pracessing,China) |
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| Abstract: | Error diffusion algorithm is the leading technique for image halftoning,and it is widely applied in the binary devices.Firstly,this paper proposes error diffusion algorithm based on bidirectional feedback which aims at reducing distortions and false contour introduced by traditional error diffusion;Secondly,the error diffusion algorithm based on bidirectional feedback is improved further,and we present an adaptive error diffusion algorithm based on bidirectional feedback;The novel algorithm not only make ou... |
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| Keywords: | TN201A |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
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