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Issue:
Image interpolation using wavelet transform based on statistical features
Author(s):
DU Huizuo
,
MEI Wenbo
,
SU Guangchuan
Pages:
332
-
334
Year:
2005
Issue:
2
Journal:
JOURNAL OF COMPUTER APPLICATIONS
Keyword:
图像插值
;
小波变换
;
统计特征
;
Abstract:
针对一般图像插值方法常见的两个缺点:边缘锯齿、细节模糊,提出了一种基于图像统计特征的小波变换插值方法,该方法利用图像插值前后边缘统计特征的相似性,从低分辨率图像中获取估算高分辨率图像所需的协方差矩阵和向量,保持了边缘光滑性.同时利用小波分解与重构,将图像非边缘的细节特征进行了增强.该方法无需迭代运算,计算量较小.实验结果表明了用该方法获取高分辨率图像的有效性和可行性.
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