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Cepstral feature based motion blur image PSF parameter estimation
Pages: 180-183
Year: Issue:  12
Journal: Automation & Instrumentation

Keyword:  Motion-blurred imageDegradation modelCepstrum charactersfilteringRadon transformationLucy-Richardson algorithm;
Abstract: 根据运动模糊图像的特点,提出一种基于倒谱的运动模糊图像PSF参数估计方法.首先,分析了运动模糊图像退化模型以及运动模糊图像频谱和倒谱的特征,对倒谱图像信息滤波增强后,用Radon变换法计算出运动模糊方向,由倒谱中两个负峰值的位置计算出模糊长度.最后,用Lucy-Richardson算法对估计值进行图像复原验证.实验结果表明,该方法能够较精确地估算出运动模糊参数PSF值.
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