计算机科学 ›› 2014, Vol. 41 ›› Issue (8): 47-49.doi: 10.11896/j.issn.1002-137X.2014.08.009
• 2013年全国理论计算机科学学术年会 • 上一篇 下一篇
罗国中,殷建平,祝恩
LUO Guo-zhong,YIN Jian-ping and ZHU En
摘要: 图像获取过程中,受成像系统的影响,无法获取原始场景中所有的信息。超分辨率图像重建技术就是在不改变成像系统的前提下,提高图像质量。POCS(凸集投影算法)可以利用多帧低分辨率图像重建一帧高分辨率图像。然而传统的POCS算法通常会产生“锯齿”边缘。在自然图像中,会存在许多的相似边缘结构。利用局部相似性的结构,可以有效地消除“锯齿”边缘。因此提出一种基于非局部POCS的超分辨率图像重建算法,以有效锐化图像边缘,提高图像的视觉感观。
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