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Related papers: Fingerprint Extraction Using Smartphone Camera

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In order to utilize identification to the best extent, we need robust and fast algorithms and systems to process the data. Having palmprint as a reliable and unique characteristic of every person, we extract and use its features based on…

Computer Vision and Pattern Recognition · Computer Science 2015-02-13 Shervin Minaee , AmirAli Abdolrashidi

This work observed the problem of fingerprint image recognition in the case of missing pixels from the original image. The possibility of missing pixels recovery is tested by applying the Compressive Sensing approach. Namely, different…

Computer Vision and Pattern Recognition · Computer Science 2019-02-15 Dejan Brajovic , Kristina Tomovic , Jovan Radonjic

In this paper, we analyze some of our real-world deployment of face recognition (FR) systems for various applications and discuss the gaps between expectations of the user and what the system can deliver. We evaluate some of our proposed…

Computer Vision and Pattern Recognition · Computer Science 2016-02-10 Bappaditya Mandal

We propose a method to make mobile screenshots easily searchable. In this paper, we present the workflow in which we: 1) preprocessed a collection of screenshots, 2) identified script presentin image, 3) extracted unstructured text from…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Sumit Kumar , Gopi Ramena , Manoj Goyal , Debi Mohanty , Ankur Agarwal , Benu Changmai , Sukumar Moharana

Vast volumes of printed documents continue to be used for various important as well as trivial applications. Such applications often rely on the information provided in the form of printed text documents whose integrity verification poses a…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Sharad Joshi , Suraj Saxena , Nitin Khanna

In contemporary mobile user authentication systems, verifying user legitimacy has become paramount due to the widespread use of smartphones. Although fingerprint and facial recognition are widely used for mobile authentication, PIN-based…

Cryptography and Security · Computer Science 2024-05-06 Yooshin Kim , Namhyeok Kwon , Donghoon Shin

PRNU-based image processing is a key asset in digital multimedia forensics. It allows for reliable device identification and effective detection and localization of image forgeries, in very general conditions. However, performance impairs…

Computer Vision and Pattern Recognition · Computer Science 2020-01-20 Davide Cozzolino , Francesco Marra , Diego Gragnaniello , Giovanni Poggi , Luisa Verdoliva

This work presents the first survey on fingerprint pore detection. The survey provides a general overview of the field and discusses methods, datasets, and evaluation protocols. We also present a baseline method inspired on the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Azim Ibragimov , Mauricio Pamplona Segundo

In the current network-based computing world, where the number of interconnected devices grows exponentially, their diversity, malfunctions, and cybersecurity threats are increasing at the same rate. To guarantee the correct functioning and…

Recent research has shown the possibility of using smartphones' sensors and accessories to extract some behavioral attributes such as touch dynamics, keystroke dynamics and gait recognition. These attributes are known as behavioral…

Cryptography and Security · Computer Science 2018-01-30 Ahmed Mahfouz , Tarek M. Mahmoud , Ahmed Sharaf Eldin

We propose a deep feature-based face detector for mobile devices to detect user's face acquired by the front facing camera. The proposed method is able to detect faces in images containing extreme pose and illumination variations as well as…

Computer Vision and Pattern Recognition · Computer Science 2016-02-17 Sayantan Sarkar , Vishal M. Patel , Rama Chellappa

This communication is about an application of image forensics where we use camera sensor fingerprints to identify source camera (SCI: Source Camera Identification) in webcam/smartphone videos. Sensor or camera fingerprints are based on…

Image and Video Processing · Electrical Eng. & Systems 2022-01-28 Fernando Martín-Rodríguez , Fernando Isasi-de-Vicente

The Android operating system runs on the majority of smartphones nowadays. Its success is driven by its availability to a variety of smartphone hardware vendors on the one hand, and the customization possibilities given to its users on the…

Cryptography and Security · Computer Science 2020-12-04 Raphael Bialon

Due to the openness of the wireless medium, smartphone users are susceptible to user privacy attacks, where user privacy information is inferred from encrypted Wi-Fi wireless traffic. Existing attacks are limited to recognizing mobile apps…

Cryptography and Security · Computer Science 2025-11-06 Yong Huang , Zhibo Dong , Xiaoguang Yang , Dalong Zhang , Qingxian Wang , Zhihua Wang

Biometrics which use of human physiological characteristics for identifying an individual is now a widespread method of identification and authentication. Biometric identification is a technology which uses several image processing…

Computer Vision and Pattern Recognition · Computer Science 2012-10-24 Rachita Misra , Kasturika B ray

Forensic analyses of digital images rely heavily on the traces of in-camera and out-camera processes left on the acquired images. Such traces represent a sort of camera fingerprint. If one is able to recover them, by suppressing the…

Computer Vision and Pattern Recognition · Computer Science 2018-08-28 Davide Cozzolino , Luisa Verdoliva

In this study, a novel method to obtain user-dependent human activity recognition models unobtrusively by exploiting the sensors of a smartphone is presented. The recognition consists of two models: sensor fusion-based user-independent…

Machine Learning · Computer Science 2019-05-30 Pekka Siirtola , Heli Koskimäki , Juha Röning

Motion blur of fast-moving subjects is a longstanding problem in photography and very common on mobile phones due to limited light collection efficiency, particularly in low-light conditions. While we have witnessed great progress in image…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Wei-Sheng Lai , YiChang Shih , Lun-Cheng Chu , Xiaotong Wu , Sung-Fang Tsai , Michael Krainin , Deqing Sun , Chia-Kai Liang

Motion capturing and there by segmentation of the motion of any moving object from a sequence of continuous images or a video is not an exceptional task in computer vision area. Smart-phone camera application is an added integration for the…

Computer Vision and Pattern Recognition · Computer Science 2016-11-11 Somnath Mukherjee , Soumyajit Ganguly

Latent fingerprint recognition is not a new topic but it has attracted a lot of attention from researchers in both academia and industry over the past 50 years. With the rapid development of pattern recognition techniques, automated…

Computer Vision and Pattern Recognition · Computer Science 2019-05-31 Dinh-Luan Nguyen , Anil K. Jain
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