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Noise reduction in OCT skin images

机译:OCT皮肤图像降噪

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摘要

OCT skin images suffer from artifacts. Speckle is the main artifact while the other one is called background noise. In this study, we propose an algorithm that significantly reduces the background noise before applying a speckle reduction method. The results show that the diagnostically relevant features in the images become clearer after applying the proposed method. We used sub-pixel weighted median filtering for speckle reduction. The results from background noise removal in combination with the proposed speckle reduction algorithm show a significant improvement in the clarity of diagnostically relevant features in in-vivo human skin images.
机译:OCT皮肤图像遭受伪影。斑点是主要的伪影,而另一个是被称为背景噪声。在本研究中,我们提出了一种算法,在施加散斑减少方法之前显着降低了背景噪声。结果表明,在应用所提出的方法后,图像中的诊断相关特征变得更加清晰。我们使用子像素加权中值过滤进行散斑减少。背景噪声除去与所提出的散斑还原算法结合的结果表明,在体内人类皮肤图像中诊断相关特征的清楚起见显着提高。

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