用迭代法对数字图像经过插值放大后产生的模糊问题进行了研究。
We study the problem of blurring of digital images after interpolation and enlargement by using the iteration method.
采用传统插值法放大的图像存在边缘锯齿化和边缘模糊化缺点。
The images magnified by traditional interpolation method have shortages such as blurred edges and jagged edges.
提出了基于小波变换的ENO插值图像放大方法，对插值后的图像做小波变换，对于高频系数进行修正，经过重构保持放大图像的清晰度。
A method of image magnification with ENO interpolation which based on wavelet transform is presented, to enhance the coefficient of the high frequency subband.
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