一种快速超分辨率图像重建算法
Nan fang yi ke da xue xue bao = Journal of Southern Medical University(2009)
Abstract
本文提出了一种新的自适应超分辨率重建算法,能够从序列低分辨率图像中重建出高分辨率图像.该算法充分考虑到低分辨率图像中的运动误差估计、点扩散函数以及加性高斯白噪声对重建算法的影响,通过构造新的非线性白适应正则化函数,并用实验方法分析函数的凸性以得到自适应步长因子.为验证算法的有效性,本文采用光学图像进行实验.实验结果表明,新算法能够有效地改善图像的空间分辨率和提高算法的收敛速度.
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Key words
adaptive regularization,super-resolution reconstruction,nonlinear
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