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Sweat glands extraction in optical coherence tomography fingerprints

机译:光学相干断层扫描指纹图谱中的汗腺提取

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Optical coherence tomography (OCT) is a non-invasive technique which can capture high-resolution three-dimension fingerprints. The surface fingerprint, sweat glands and internal fingerprint in OCT fingerprint provides more information than conventional two-dimension fingerprints. In this paper, we present a sweat gland extraction method. The method detects each gland's position using Frangi's filter and segment them by thresholding method. The experiment result on 50 fingers shows our method can successfully segment sweat glands. We also scanned fake fingerprints to do liveness detection. Different from real fingers, fake fingerprints do not have internal structures. We can distinguish fake fingerprints easily with OCT fingerprints. We also show that combining sweat glands information with fingerprint valleys and ridges can improve performance of fingerprint identification.
机译:光学相干断层扫描(OCT)是一种非侵入性技术,可以捕获高分辨率的三维指纹。与传统的二维指纹相比,OCT指纹中的表面指纹,汗腺和内部指纹可提供更多信息。在本文中,我们提出了一种汗腺提取方法。该方法使用Frangi滤波器检测每个腺体的位置,并通过阈值化方法对其进行分割。在50个手指上的实验结果表明,我们的方法可以成功地分割汗腺。我们还扫描了伪造的指纹以进行活动检测。与真实手指不同,假指纹没有内部结构。我们可以使用OCT指纹轻松区分假指纹。我们还表明,将汗腺信息与指纹谷和脊结合起来可以提高指纹识别的性能。

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