A high precision recognition method for small area fingerprints based on machine vision
by Qiqun Liu; Tan Liu
International Journal of Data Mining and Bioinformatics (IJDMB), Vol. 28, No. 1, 2024

Abstract: Aiming at the problem that the traditional small-area fingerprint recognition method is insufficient to recognise the feature points in the boundary region and the recognition accuracy is low, a high-precision small-area fingerprint recognition method based on machine vision is proposed. Firstly, by analysing the estimated values of key fingerprint parameters, Tico descriptor is introduced to obtain detailed feature points and determine the frequency field. Then, the fingerprint image of small area is enhanced based on direction and frequency to make the image features clearer. Then, based on the enhanced fingerprint image, the fingerprint model is demodulated by a suitable two-dimensional signal, the detailed features of the small-area fingerprint image are extracted, and the direction vector Angle is doubled to achieve direction smoothing, so as to achieve a better feature representation. Finally, high-precision identification of small area fingerprints is realised by matching the fingerprint point set. The experimental results show that the method proposed in this paper can extract the detailed features of small-area fingerprint images more accurately, the recognition results are more accurate, and the average recognition time is 32.6 s, which can improve the recognition efficiency, and has certain advantages.

Online publication date: Mon, 22-Jan-2024

The full text of this article is only available to individual subscribers or to users at subscribing institutions.

 
Existing subscribers:
Go to Inderscience Online Journals to access the Full Text of this article.

Pay per view:
If you are not a subscriber and you just want to read the full contents of this article, buy online access here.

Complimentary Subscribers, Editors or Members of the Editorial Board of the International Journal of Data Mining and Bioinformatics (IJDMB):
Login with your Inderscience username and password:

Username:        Password:          Forgotten your password?

Want to subscribe?
A subscription gives you complete access to all articles in the current issue, as well as to all articles in the previous three years (where applicable). See our Orders page to subscribe.

If you still need assistance, please email subs@inderscience.com