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利用点扩展函数信息的变分图像去噪及增晰方法

DOI: 10.11834/jig.20090913

Keywords: 变分法,点扩展函数,图像去噪,图像增晰

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Abstract:

基于偏微分方程(PDE)及变分法的图像去噪方法利用其数学特性得到了优于传统方法的结果,但很多模型只考虑了去噪的问题。通过对最小化凸能量函数模型引入点扩展函数信息,构造了具有去模糊效果的变分去噪模型,采用了Kacˇanov线性化方法进行求解,得到了更好的结果,实验结果及数据证明了模型的有效性。

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