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基于辐照度的运动模糊图像去模糊

DOI: 10.11834/jig.20150311

Keywords: 摄像机响应函数,饱和过程,辐照度,运动去模糊

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Abstract:

目的已有的图像运动去模糊研究没有考虑模糊实际上发生在辐照度图像中的问题,也缺少自动检测成块饱和像素的方法。针对这两个问题,提出基于辐照度的运动模糊图像去模糊方法。方法提出能量累积形成模糊的运动过程与摄像机响应函数相结合的摄像机响应函数求解方法,以及基于块的饱和像素自动检测算法并在此基础上,对辐照度图去除运动模糊和亮度还原,实现清晰原图恢复。结果对单幅图像的定性去模糊取得了比直接去模糊等前人方法更小的振铃,较好的噪声抑制和清晰图像还原效果;采用信噪比的定量对比也取得较前人方法更高的数值。结论基于辐照度的方法对图像运动去模糊效率有提升作用。

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