| 基于小波变换的印刷质量分析 |
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| 引用本文： | 姚海根.基于小波变换的印刷质量分析[J].出版与印刷,2005(3):41-45. |
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| 作者姓名： | 姚海根 |
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| 作者单位： | 上海理工大学出版印刷学院,印刷包装工程系,上海,200093 |
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| 摘 要： | 长期以来,傅里叶变换一直是空间域与频率域转换图像处理的基础技术,然而傅氏变换必须覆盖整个空间区域,导致不能了解局部信息.小波变换在Gobor提出的窗口傅里叶变换的基础上逐步发展起来,不仅能满足人们了解图像细节的需要,已成为数字图像多分辨率理论的主要分析工具,也可应用于印刷品质量的客观分析和评价.
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| 关 键 词： | 小波变换 印刷质量 质量分析 小波变换 印刷品质量 质量分析 Wavelet Transform Based Quality Analysis 评价 客观分析 应用 率理论 图像多分辨 数字 图像细节 发展 窗口傅里叶变换 信息 局部 空间区域 覆盖 傅氏变换 |
Printing Quality Analysis Based on Wavelet Transform |
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| Yao Hai-gen.Printing Quality Analysis Based on Wavelet Transform[J].Publishing & Printing,2005(3):41-45. |
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| Authors: | Yao Hai-gen |
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| Abstract: | Fourier transform has been used as a basic approach of transformation between spatial domain and frequency domain for a long time. However, Fourier transform must cover the whole area to be analyzed left details unknown. A new method called wavelet transform is developing on the basis of window Fourier transform created by Gobor which not only helps one to understand image details and becomes main analyzing tool for multi-resolution theory, of digital image, but can also be applied to objective analysis and evaluation of print quality. |
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