NDLI: A Fingerprint Image Enhancement Algorithm Based on Stretching Transfer Function

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A Fingerprint Image Enhancement Algorithm Based on Stretching Transfer Function

Content Provider	Scilit
Author	Zhou, Jun Wang, Chao Wang, Fang Ma, Jinhai Yang, Mei
Copyright Year	2019
Description	Journal: Journal of Physics: Conference Series In this paper, a fingerprint image enhancement algorithm based on the stretching transfer function is proposed. The Otsu method is used to generate the threshold, which divides the fingerprint image grayscale roughly into two parts. The width of grayscale distribution can be controlled by adjusting the parameter of the stretching transfer function. The contrast of the input fingerprint image will be enhanced by the function, highlight image layers and make the ridge and valley lines clearer. The function could also retain the fingerprint image information in transformation process, thus lays a solid foundation for the accuracy and reliability of the fingerprint characteristic value extraction in the next step. The treatment effect of the algorithm is obviously better than that of histogram equalization algorithm; the superiority also lies in the smaller amount of calculation and the faster processing speed which effectively avoids manual intervention. It can be used for the occasion with limited computing resources and high real-time requirements. Besides, the ability to control the contrast of output image by only changing a single parameter provides users with regulations and choices in biometric.
Related Links	https://iopscience.iop.org/article/10.1088/1742-6596/1302/3/032038/pdf
ISSN	17426588
e-ISSN	17426596
DOI	10.1088/1742-6596/1302/3/032038
Journal	Journal of Physics: Conference Series
Issue Number	3
Volume Number	1302
Language	English
Publisher	IOP Publishing
Publisher Date	2019-08-01
Access Restriction	Open
Subject Keyword	Journal: Journal of Physics: Conference Series Industrial Engineering Fingerprint Image Enhancement Algorithm
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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