3D Touchless Fingerprints: Compatibility with Legacy Rolled Images

2006 Biometrics Symposium: Special Session on Research at the Biometric Consortium Conference Pub Date : 2006-09-01 DOI:10.1109/BCC.2006.4341621

Yi Chen, Geppy Parziale, Eva Diaz-Santana, Anil K. Jain

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引用次数: 87

Abstract

Fingerprints are traditionally captured based on contact of the finger on paper or a platen surface. This often results in partial or degraded images due to improper finger placement, skin deformation, slippage and smearing, or sensor noise from wear and tear of surface coatings. A new generation of touchless live scan devices that generate 3D representation of fingerprints is appearing in the market. This new sensing technology addresses many of the problems stated above. However, 3D touchless fingerprint images need to be compatible with the legacy rolled images used in automated fingerprint identification systems (AFIS). In order to solve this interoperability issue, we propose an unwrapping algorithm that unfolds the 3D fingerprint in such a way that it resembles the effect of virtually rolling the 3D finger on a 2D plane. Our preliminary experiments show promising results in obtaining touchless fingerprint images that are of high quality and at the same time compatible with legacy rolled fingerprint images.

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3D非触摸指纹:与传统滚动图像的兼容性

传统的指纹采集是基于手指在纸上或平板表面的接触。这通常会导致部分或退化的图像，由于不适当的手指放置，皮肤变形，滑动和涂抹，或传感器噪声磨损和撕裂的表面涂层。市场上出现了新一代可生成指纹3D图像的非接触式实时扫描设备。这种新的传感技术解决了上面提到的许多问题。然而，3D非接触式指纹图像需要与自动指纹识别系统(AFIS)中使用的传统卷图像兼容。为了解决这种互操作性问题，我们提出了一种展开算法，该算法以类似于在2D平面上虚拟滚动3D手指的方式展开3D指纹。我们的初步实验表明，该方法可以获得高质量的非接触式指纹图像，同时与传统的卷指纹图像兼容。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2006 Biometrics Symposium: Special Session on Research at the Biometric Consortium Conference

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