| 数字图像自适应插值法 |
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| 引用本文： | 金海丁 周孝宽. 数字图像自适应插值法[J]. 激光与红外, 2006, 36(9): 907-910 |
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| 作者姓名： | 金海丁 周孝宽 |
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| 作者单位： | 北京航空航天大学宇航学院图像中心,北京,100083;北京航空航天大学宇航学院图像中心,北京,100083 |
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| 摘 要： | 文章分析了数字图像插值中最常用的双线形插值和立方卷积插值,并提出了一个根据映射点邻域原图像的复杂程度,自适应地调节插值权值的数字图像插值方法。
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| 关 键 词： | 图像缩放 双线形插值 立法卷积插值 自适应 |
| 文章编号： | 1001-5078（2006）09-0907-04 |
| 收稿时间： | 2006-04-05 |
| 修稿时间： | 2006-04-052006-05-29 |
Self-adaptive Interpolation Algorithm for Digital Image |
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| JIN Hai-ding,ZHOU Xiao-kuan. Self-adaptive Interpolation Algorithm for Digital Image[J]. Laser & Infrared, 2006, 36(9): 907-910 |
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| Authors: | JIN Hai-ding ZHOU Xiao-kuan |
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| Affiliation: | School of Astronautics, Beihang University, Beijing 100083,China |
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| Abstract: | Bilinear and cubic convolution, themost popular interpolation algorithm for digital image, are analyzed first in the paper. Based on these two algorithms, a novel self-adap tive interpolation algorithm is proposed. In this new method, when the grayscale of each interpolated point is computed, the weights of direct and indirect neighbor pixels are self-adap tively determined by the complexity of the neighborhood of the image. The experiment results show that the algorithm is superior to the traditional interpolation algorithm. |
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| Keywords: | image zoom bilinear interpolation cubic convolution interpolation self-adaptive |
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