一种适用于商业应用的低成本指纹验证算法

Proceedings of the 1992 South African Symposium on Communications and Signal Processing Pub Date : 1992-09-11 DOI:10.1109/COMSIG.1992.274304

D. Weber

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引用次数: 21

摘要

通过二维傅里叶变换实现的二维滤波器对打印进行扫描和增强。然后将图像阈值化为二值图像。指纹脊同时变薄，并通过直线跟踪技术进行跟踪，以获得骨架图像。在这个过程中，某些类型的细节的位置被检测。然后将这些细节与先前存储的模板进行比较，以验证用户的身份。模板匹配过程对指纹的平移和旋转具有鲁棒性。

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A cost effective fingerprint verification algorithm for commercial applications

The print is scanned in and enhanced using a 2 dimensional filter which is implemented using a 2D Fourier transform. The image is then thresholded to a binary image. The fingerprint ridges are simultaneously thinned and traced by a line-following technique to obtain a skeletonised image. During this process, the positions of certain types of minutiae are detected. These minutiae are then compared to a previously stored template to verify the identity of the user. The template matching procedure is robust against translation and rotation of the fingerprint.<>

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Proceedings of the 1992 South African Symposium on Communications and Signal Processing

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