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全变差框架下快速恢复彩色图像的方法研究与应用

DOI: 10.13190/jbupt.201206.6.liuhy, PP. 6-10

Keywords: 去噪,去模糊,全变差,彩色图像

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Abstract:

数字图像在采集和传输过程中很容易被噪声污染或出现不同程度的模糊现象,这给图像的后期处理和应用带来相当大的困难.改进的算法基于交替最小化算法和新的二分法技术,在全变差能量最小化的框架下,提出一个具有自动选择最优均衡参数能力对彩色图像去除噪声及通道内和通道间模糊的算法.实验结果表明,由于所采用的二分法的快速收敛性,改进的算法可以很快确定最优均衡参数数值,从而提高了算法的去噪声和去模糊能力及自适应能力.

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