计算机科学 ›› 2016, Vol. 43 ›› Issue (Z6): 214-216.doi: 10.11896/j.issn.1002-137X.2016.6A.051
马洪华,黄永林,丁岩岩
MA Hong-hua, HUANG Yong-lin and DING Yan-yan
摘要： 提出了一种改进的TV(Total Variance)彩色图像复原方法。为消除TV模型的各向异性扩散导致的块效应,采用在TV模型的基础上耦合高阶项的新模型；并将这个新的模型推广到彩色图像,利用多通道的耦合机制实现各单色通道图像复原过程的相互制约。新模型保持了各向异性扩散的特性,图像的边缘得到了保持。实验结果证明, 与其它模型的复原 彩色图像相比,新模型复原的图像的峰值信噪比(PSNR)有了更大的提高,图像的非边缘区看上去更加平滑自然。
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