A general matrix function dimensionality reduction framework and extension for manifold learning

R Ran, J Feng, S Zhang, B Fang - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Many dimensionality reduction methods in the manifold learning field have the so-called
small-sample-size (SSS) problem. Starting from solving the SSS problem, we first …

Broadband piezoelectric transducers for under-display ultrasonic fingerprint sensing applications

C Peng, M Chen, H Wang, J Shen… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Smartphones today have attracted a continuous trend of pursuing narrow-bezel and full-
screen displays. To allow for a more user-friendly front side fingerprint recognition in full …

Fingerprint imaging system based on capacitive micromachined ultrasonic transducer by using impediography method including direct touch and waveguide methods

WY Choi, YS Kwak, KK Park - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Fingerprint imaging is a powerful tool in biometric identification systems. This paper
proposes a fingerprint imaging method that involves applying an impedance signal to a …

Performance analysis of biometric recognition system based on palmprint

H Farooq, S Naaz - International Journal of Information Technology, 2020 - Springer
Nowadays biometric authentication is one of the most preferred choice and in that also
palmprint is becoming the most widely accepted technique because it can be captured …

[HTML][HTML] Fingerprint imaging of dry finger using photoacoustics

WY Choi, KK Park - The Journal of the Acoustical Society of America, 2017 - pubs.aip.org
2. Method Motivated by PA medical imaging systems, the PA method is herein investigated
for fingerprint imaging. The PA method generates ultrasound from infrared rays to ultraviolet …

Ultrasonic fingerprint sensor in underglass prototype using impedance mismatching

WY Choi, KC Kang, KK Park - Journal of Mechanical Science and …, 2020 - Springer
Fingerprint imaging is a powerful tool in biometric identification systems. There are several
methods for measuring fingerprints, such as optics, capacitive, and ultrasonic methods. The …

[引用][C] Designing new method for palmprint a recognition

M Tabejamaat, W Shahzad - Computer Science, 2013