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相关论文: Fingerprint Extraction Using Smartphone Camera

200 篇论文

This paper presents an effective method for fingerprint verification based on a data mining technique called minutiae clustering and a graph-theoretic approach to analyze the process of fingerprint comparison to give a feature space…

计算机视觉与模式识别 · 计算机科学 2010-06-15 Minakshi Gogoi , D K Bhattacharyya

Smartphones have ubiquitously integrated into our home and work environments, however, users normally rely on explicit but inefficient identification processes in a controlled environment. Therefore, when a device is stolen, a thief can…

密码学与安全 · 计算机科学 2020-09-25 Muhammad Ahmad , Ali Kashif Bashir , Adil Mehmood Khan , Manuel Mazzara , Salvatore Distefano , Shahzad Sarfraz

Screen lock is a critical security feature for smartphones to prevent unauthorized access. Although various screen unlocking technologies, including fingerprint and facial recognition, have been widely adopted, they still have some…

密码学与安全 · 计算机科学 2021-03-24 Boyu Fan , Xiang Su , Jianwei Niu , Pan Hui

Smartphone cameras today are increasingly approaching the versatility and quality of professional cameras through a combination of hardware and software advancements. However, fixed aperture remains a key limitation, preventing users from…

计算机视觉与模式识别 · 计算机科学 2023-04-07 Hadi Alzayer , Abdullah Abuolaim , Leung Chun Chan , Yang Yang , Ying Chen Lou , Jia-Bin Huang , Abhishek Kar

With the ongoing heart problems of the population worldwide, the medical requirements of the people are expected to increase. Electrocardiogram (ECG) is one of the proven to capture the heart response signal to assess the electrical and…

信号处理 · 电气工程与系统科学 2021-09-08 Ayan Chatterjee , Sundar Gopalakrishnan , Martin Gerdes , Santiago Martinez , Nibedita Pahari , Pankaj Khatiwada

A growing number of commercially available mobile phones come with integrated high-resolution digital cameras. That enables a new class of dedicated applications to image analysis such as mobile visual search, image cropping, object…

计算机视觉与模式识别 · 计算机科学 2021-08-30 Alessandro Bruno

Various methods have been proposed for authentication, including password or pattern drawing, which is clearly visible on personal electronic devices. However, these methods of authentication are more vulnerable, as passwords and cards can…

图像与视频处理 · 电气工程与系统科学 2021-02-11 Donya Khaledyan , Mohammad Eshghi , Morteza Heidari , Abolfazl Zargari Khuzani , Najmeh Mashhadi

With the rapid development of the image generation technologies, the malicious abuses of the GAN-generated fingerprint images poses a significant threat to the public safety in certain circumstances. Although the existing universal deep…

计算机视觉与模式识别 · 计算机科学 2023-09-14 Hui Miao , Yuanfang Guo , Yunhong Wang

In this paper, we propose an efficient method to provide personal identification using fingerprint to get better accuracy even in noisy condition. The fingerprint matching based on the number of corresponding minutia pairings, has been in…

计算机视觉与模式识别 · 计算机科学 2013-11-15 V. Karthikeyan , V. J. Vijayalakshmi

Face recognition presents a challenging problem in the field of image analysis and computer vision. The security of information is becoming very significant and difficult. Security cameras are presently common in airports, Offices,…

计算机视觉与模式识别 · 计算机科学 2014-03-04 Divyarajsinh N. Parmar , Brijesh B. Mehta

Human fingerprints are reliable characteristics for personnel identification as it is unique and persistence. A fingerprint pattern consists of ridges, valleys and minutiae. In this paper we propose Fingerprint Verification based on Gabor…

密码学与安全 · 计算机科学 2009-12-08 B N Lavanya , K B Raja , K R Venugopal

The objective of this work is to propose a novel methodology for the finger knuckle print recognition, which is essentially a digital photo of the finger-knuckle region. We have employed very simple concepts of visual computing such as a…

计算机视觉与模式识别 · 计算机科学 2026-05-19 E. O. Rodrigues , T. M. Porcino , Aura Conci , Aristofanes C. Silva

Mobile phones are becoming increasingly advanced and the latest ones are equipped with many diverse and powerful sensors. These sensors can be used to study different position and orientation of the phone which can help smartphone…

计算机与社会 · 计算机科学 2018-02-14 Karthik R , Preetam Satapath , Srivatsa Patnaik , Saurabh Priyadarshi , Rajesh Kumar M

Continuous, ubiquitous monitoring through wearable sensors has the potential to collect useful information about users' context. Heart rate is an important physiologic measure used in a wide variety of applications, such as fitness tracking…

机器学习 · 计算机科学 2019-12-20 Nutta Homdee , Mehdi Boukhechba , Yixue W. Feng , Natalie Kramer , John Lach , Laura E. Barnes

Smartphones are a popular device class for mobile Augmented Reality but suffer from a limited input space. Around-device interaction techniques aim at extending this input space using various sensing modalities. In this paper we present our…

人机交互 · 计算机科学 2017-09-05 Daniel Schneider , Jens Grubert

The study identifies a clear evolution from traditional methods to more advanced machine learning approaches. Current algorithms face persistent challenges, including degraded image quality, damaged ridge structures, and background noise,…

计算机视觉与模式识别 · 计算机科学 2025-08-20 Amit Kumar Trivedi , Jasvinder Pal Singh

The new trend of full-screen devices implies positioning the camera behind the screen to bring a larger display-to-body ratio, enhance eye contact, and provide a notch-free viewing experience on smartphones, TV or tablets. On the other…

图像与视频处理 · 电气工程与系统科学 2023-11-24 Marcos V. Conde , Florin Vasluianu , Sabari Nathan , Radu Timofte

The principle of Photo Response Non Uniformity (PRNU) is often exploited to deduce the identity of the smartphone device whose camera or sensor was used to acquire a certain image. In this work, we design an algorithm that perturbs a face…

计算机视觉与模式识别 · 计算机科学 2020-09-21 Sudipta Banerjee , Arun Ross

Smartphones are now frequently used by end-users as the portals to cloud-based services, and smartphones are easily stolen or co-opted by an attacker. Beyond the initial log-in mechanism, it is highly desirable to re-authenticate end-users…

密码学与安全 · 计算机科学 2017-03-13 Wei-Han Lee , Ruby Lee

This study proposes an audio copy detection system that is robust to various attacks. These include the severe pitch shift and tempo change attacks which existing systems fail to detect. First, we propose a novel two dimensional…

多媒体 · 计算机科学 2013-04-04 Mani Malekesmaeili , Rabab K. Ward