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Improved analysis for skin color separation based on independent component analysis

机译:基于独立成分分析的改进的肤色分离分析

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摘要

The conventional skin color separation method suffers from the severe limitation that the input skin image must have no shading component and must have substantial variation in the pigment density distribution, simultaneously. We therefore propose an improved method, which uses two input skin images instead of one. In this improved method, one input image has no shading component and the other has substantial variation in pigment density distribution. To verify the effect of our method, we took images of four subjects and separated them into pigment components. We then compared the independence evaluation value of the separated signals extracted using our method and that of the conventional method. The results show that we obtain separated signals that have a better independence evaluation value by our method than by the conventional method.
机译:传统的皮肤颜色分离方法受到严格的限制,即输入的皮肤图像必须没有阴影成分,并且同时必须在颜料密度分布中具有实质性的变化。因此,我们提出一种改进的方法,该方法使用两个输入的皮肤图像而不是一个。在这种改进的方法中,一个输入图像没有阴影分量,另一个输入图像的颜料密度分布却有很大的变化。为了验证我们方法的效果,我们拍摄了四个对象的图像并将其分成颜料成分。然后,我们比较了使用我们的方法和常规方法提取的分离信号的独立性评估值。结果表明,与常规方法相比,我们的方法获得的分离信号具有更好的独立性评估值。

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