| 基于小波变换的图像变焦技术 |
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| 引用本文： | 钱曾波,朱述龙.基于小波变换的图像变焦技术[J].测绘学院学报,1994(3). |
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| 作者姓名： | 钱曾波 朱述龙 |
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| 摘 要： | 图像变焦是图像信息系统中的一项基本功能，本文采用小波分析的理论来完成图像的缩小和放大任务，使得图像在缩小过程中保留较大的结构特征，而在图像放大过程中增强边缘信息，有效地克服在重采样和内播技术完成变焦时所产生的缺陷。
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| 关 键 词： | 小波变换，影像变焦，影像放大，影像缩小 |
Image Zooming Using Wavelet Transformation |
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| Qian Zengbo, Zhu Shulong.Image Zooming Using Wavelet Transformation[J].Journal of Institute of Surveying and Mapping,1994(3). |
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| Authors: | Qian Zengbo Zhu Shulong |
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| Institution: | Qian Zengbo; Zhu Shulong |
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| Abstract: | Image Zooming is a basic operation in an image information system. In this paper, the theory of wavelet is used to finish image enlarging and image reducing. It can preserve larger structure when image is reduced and enhance edges when image is enlarged. The disadvantages in previous methods are well overcome. |
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| Keywords: | Wavelet transform Image zooming Image enlarging Image reducing |
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