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Active polarization imaging method for latent fingerprint detection

机译：主动极化成像方法用于潜在指纹检测

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摘要

Fingerprint identification is one of the reliable methods for personal identification, and is becoming more and more widely used in society. In this paper, the polarization characteristic of latent fingerprint is studied, and the experimental platform for polarization imaging detection of latent fingerprint based on active light source is built. Through quality evaluation and comprehensive analysis of the fingerprint images, we obtain the best analytical method and the best angle for the detection of latent fingerprint polarization imaging. Using the difference and complementarity between different type of polarization images, a fusion algorithm of polarization image and intensity image is proposed. The results show that compared with the general intensity imaging, the latent fingerprint image obtained by polarization imaging method is clearer and the details are more abundant.
机译：指纹识别是用于个人识别的可靠方法之一，并且在社会上越来越被广泛使用。研究了潜指纹的偏振特性，建立了基于有源光源的潜指纹偏振成像检测实验平台。通过对指纹图像的质量评估和综合分析，我们为检测潜在的指纹极化成像获得了最佳的分析方法和最佳的角度。利用不同类型偏振图像之间的差异和互补性，提出了偏振图像与强度图像的融合算法。结果表明，与普通强度成像相比，偏振成像法获得的潜像指纹图像更清晰，细节更丰富。

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