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In this paper we claim that an efficient and readily applicable means to improve privacy of Android applications is: 1) to perform runtime monitoring by instrumenting the application bytecode and 2) in-vivo, i.e. directly on the smartphone.…

Cryptography and Security · Computer Science 2013-10-09 Alexandre Bartel , Jacques Klein , Martin Monperrus , Kevin Allix , Yves Le Traon

The impact of citizen journalism raises important video integrity and credibility issues. In this article, we introduce Vamos, the first user transparent video "liveness" verification solution based on video motion, that accommodates the…

Cryptography and Security · Computer Science 2017-04-10 Mahmudur Rahman , Mozhgan Azimpourkivi , Umut Topkara , Bogdan Carbunar

Nowadays, mobile smart devices are widely used in daily life. It is increasingly important to prevent malicious users from accessing private data, thus a secure and convenient authentication method is urgently needed. Compared with common…

Cryptography and Security · Computer Science 2025-04-02 Yadong Xie , Fan Li , Yu Wang

Thanks to mobile apps such as Periscope and Facebook Live, live-streaming video is having a moment again. It has not been clear, however, to what extent the current ubiquity of smartphones is impacting this technology's acceptance in…

Human-Computer Interaction · Computer Science 2019-02-19 Cori Faklaris , Asa Blevins , Matthew O'Haver , Neha Singhal , Francesco Cafaro

Despite the high biometric performance, finger-vein recognition systems are vulnerable to presentation attacks (aka., spoofing attacks). In this paper, we present a new and robust approach for detecting presentation attacks on finger-vein…

Computer Vision and Pattern Recognition · Computer Science 2019-12-04 Jag Mohan Singh , Sushma Venkatesh , Kiran B. Raja , Raghavendra Ramachandra , Christoph Busch

In the rapidly evolving landscape of digital security, biometric authentication systems, particularly facial recognition, have emerged as integral components of various security protocols. However, the reliability of these systems is…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Oleksandr Kuznetsov , Emanuele Frontoni , Luca Romeo , Riccardo Rosati , Andrea Maranesi , Alessandro Muscatello

Does progress in simulation translate to progress on robots? If one method outperforms another in simulation, how likely is that trend to hold in reality on a robot? We examine this question for embodied PointGoal navigation, developing…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Abhishek Kadian , Joanne Truong , Aaron Gokaslan , Alexander Clegg , Erik Wijmans , Stefan Lee , Manolis Savva , Sonia Chernova , Dhruv Batra

Visualizing the trajectory of multiple runners with videos collected at different points in a race could be useful for sports performance analysis. The videos and the trajectories can also aid in athlete health monitoring. While the runners…

Computer Vision and Pattern Recognition · Computer Science 2019-09-09 Yeshwanth Napolean , Priadi Teguh Wibowo , Jan van Gemert

Airborne collision avoidance systems provide an onboard safety net should normal air traffic control procedures fail to keep aircraft separated. These systems are widely deployed and have been constantly refined over the past three decades,…

Cryptography and Security · Computer Science 2020-10-05 Matthew Smith , Martin Strohmeier , Vincent Lenders , Ivan Martinovic

Screen recordings are becoming increasingly important as rich software artifacts that inform mobile application development processes. However, the amount of manual effort required to extract information from these graphical artifacts can…

Software Engineering · Computer Science 2021-03-09 Madeleine Havranek , Carlos Bernal-Cárdenas , Nathan Cooper , Oscar Chaparro , Denys Poshyvnayk , Kevin Moran

Timing-based side and covert channels in processor caches continue to be a threat to modern computers. This work shows for the first time a systematic, large-scale analysis of Arm devices and the detailed results of attacks the processors…

Cryptography and Security · Computer Science 2021-11-02 Shuwen Deng , Nikolay Matyunin , Wenjie Xiong , Stefan Katzenbeisser , Jakub Szefer

Previous anti-spoofing methods have used either pseudo maps or user-defined labels, and the performance of each approach depends on the accuracy of the third party networks generating pseudo maps and the way in which the users define the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Youngjun Kwak , Minyoung Jung , Hunjae Yoo , JinHo Shin , Changick Kim

Keystroke inference attacks are a form of side-channel attacks in which an attacker leverages various techniques to recover a user's keystrokes as she inputs information into some display (e.g., while sending a text message or entering her…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 John Lim , Jan-Michael Frahm , Fabian Monrose

In this paper, a computer-vision-assisted simulation method is proposed to address the issue of training dataset acquisition for wireless hand gesture recognition. In the existing literature, in order to classify gestures via the wireless…

Signal Processing · Electrical Eng. & Systems 2024-04-18 Zhenyu Ren , Guoliang Li , Chenqing Ji , Chao Yu , Shuai Wang , Rui Wang

In this work we present a prototype for simulating computer network attacks. Our objective is to simulate large networks (thousands of hosts, with applications and vulnerabilities) while remaining realistic from the attacker's point of…

Cryptography and Security · Computer Science 2010-06-15 Carlos Sarraute , Fernando Miranda , Jose I. Orlicki

Recent studies have demonstrated the vulnerability of recommender systems to data poisoning attacks, where adversaries inject carefully crafted fake user interactions into the training data of recommenders to promote target items. Current…

Information Retrieval · Computer Science 2024-08-21 Yunfan Wu , Qi Cao , Shuchang Tao , Kaike Zhang , Fei Sun , Huawei Shen

Current mobile user authentication systems based on PIN codes, fingerprint, and face recognition have several shortcomings. Such limitations have been addressed in the literature by exploring the feasibility of passive authentication on…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Giuseppe Stragapede , Ruben Vera-Rodriguez , Ruben Tolosana , Aythami Morales , Alejandro Acien , Gael Le Lan

In aviation, the impact of threats is becoming increasingly significant, particularly for global navigation satellite system (GNSS). Two relevant GNSS threats are represented by jamming and spoofing. In order to evaluate the technological…

Signal Processing · Electrical Eng. & Systems 2024-08-02 Ivan Iudice , Domenico Pascarella , Gianluca Corraro , Giovanni Cuciniello

Aiming to reduce pollutant emissions, bicycles are regaining popularity specially in urban areas. However, the number of cyclists' fatalities is not showing the same decreasing trend as the other traffic groups. Hence, monitoring cyclists'…

Computer Vision and Pattern Recognition · Computer Science 2017-04-26 Miguel Costa , Beatriz Quintino Ferreira , Manuel Marques

We present a benchmarking study of vision-based robotic grasping algorithms and provide a comparative analysis. In particular, we compare two machine-learning-based and two analytical algorithms using an existing benchmarking protocol from…

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