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We present a method to generate full-body selfies from photographs originally taken at arms length. Because self-captured photos are typically taken close up, they have limited field of view and exaggerated perspective that distorts facial…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Bowei Chen , Brian Curless , Ira Kemelmacher-Shlizerman , Steven M. Seitz

We present a method for turning a flash selfie taken with a smartphone into a photograph as if it was taken in a studio setting with uniform lighting. Our method uses a convolutional neural network trained on a set of pairs of photographs…

Computer Vision and Pattern Recognition · Computer Science 2019-06-06 Nicola Capece , Francesco Banterle , Paolo Cignoni , Fabio Ganovelli , Roberto Scopigno , Ugo Erra

The ubiquity of mobile phones makes mobile GUI understanding an important task. Most previous works in this domain require human-created metadata of screens (e.g. View Hierarchy) during inference, which unfortunately is often not available…

Computer Vision and Pattern Recognition · Computer Science 2022-04-15 Jingwen Fu , Xiaoyi Zhang , Yuwang Wang , Wenjun Zeng , Sam Yang , Grayson Hilliard

The practical application requests both accuracy and efficiency on multi-person pose estimation algorithms. But the high accuracy and fast inference speed are dominated by top-down methods and bottom-up methods respectively. To make a…

Computer Vision and Pattern Recognition · Computer Science 2021-04-08 Jiabin Zhang , Zheng Zhu , Jiwen Lu , Junjie Huang , Guan Huang , Jie Zhou

Over the past few years, online service providers have started gathering increasing amounts of personal information to build user profiles and monetize them with advertisers and data brokers. Users have little control of what information is…

Cryptography and Security · Computer Science 2014-06-27 Igor Bilogrevic , Julien Freudiger , Emiliano De Cristofaro , Ersin Uzun

Bottom-up approaches for image-based multi-person pose estimation consist of two stages: (1) keypoint detection and (2) grouping of the detected keypoints to form person instances. Current grouping approaches rely on learned embedding from…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Jiahao Lin , Gim Hee Lee

In recent years, electronic retail payment mechanisms, especially e-commerce and card payments at the point of sale, have increasingly replaced cash in many developed countries. As a result, societies are losing a critical public retail…

Computers and Society · Computer Science 2021-05-28 Geoffrey Goodell , Hazem Danny Al-Nakib , Paolo Tasca

Machine learning algorithms, in conjunction with user data, hold the promise of revolutionizing the way we interact with our phones, and indeed their widespread adoption in the design of apps bear testimony to this promise. However,…

Computer Vision and Pattern Recognition · Computer Science 2015-12-10 Jorge Ortiz , Chien-Chin Huang , Supriyo Chakraborty

Portrait Stylization aims to imbue portrait photos with vivid artistic effects drawn from style examples. Despite the availability of enormous training datasets and large network weights, existing methods struggle to maintain geometric…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Xinrui Wang , Zhuoru Li , Xiao Zhou , Yusuke Iwasawa , Yutaka Matsuo

A Cyber-Physical-Social System (CPSS) is an emerging paradigm often understood as a physical and virtual space of interaction which is cohabited by humans and sensor-enabled smart devices. In such settings, human interaction behaviour is…

Human-Computer Interaction · Computer Science 2021-04-01 Bereket Abera Yilma , Yannick Naudet , Hervé Panetto

Mobile applications are widely used for online services sharing a large amount of personal data online. One-time authentication techniques such as passwords and physiological biometrics (e.g., fingerprint, face, and iris) have their own…

Cryptography and Security · Computer Science 2023-02-07 Hossein Fereidooni , Jan König , Phillip Rieger , Marco Chilese , Bora Gökbakan , Moritz Finke , Alexandra Dmitrienko , Ahmad-Reza Sadeghi

Nowadays, mobile banking becomes a popular tool which consumers can conduct financial transactions such as shopping, monitoring accounts balance, transferring funds and other payments. Consumers dependency on mobile needs, make people take…

Cryptography and Security · Computer Science 2018-09-17 Dea Saka Kurnia Putra , Mohamad Ali Sadikin , Susila Windarta

To provide an added security level most of the existing reversible as well as irreversible image steganography schemes emphasize on encrypting the secret image (payload) before embedding it to the cover image. The complexity of encryption…

Multimedia · Computer Science 2014-10-14 Soumendu Chakraborty , Anand Singh Jalal , Charul Bhatnagar

E-governance is a process that aims to enhance a government's ability to simplify all the processes that may involve government, citizens, businesses, and so on. The rapid evolution of digital technologies has often created the necessity…

Cryptography and Security · Computer Science 2022-03-17 Owen Lo , William J. Buchanan , Sarwar Sayeed , Pavlos Papadopoulos , Nikolaos Pitropakis , Christos Chrysoulas

Current security model in Global System for Mobile Communications (GSM) predominantly use symmetric key cryptography. The rapid advancement of Internet technology facilitates online trading, banking, downloading, emailing using…

Cryptography and Security · Computer Science 2009-11-05 Animesh Agarwal , Vaibhav Shrimali , Manik Lal Das

The increasingly complex economic and financial environment in which we live makes the management of liquidity in payment systems and the economy in general a persistent challenge. New technologies are making it possible to address this…

General Finance · Quantitative Finance 2020-11-09 Tomaž Fleischman , Paolo Dini

Behavioural biometric authentication systems entail an enrolment period that is burdensome for the user. In this work, we explore generating synthetic gestures from a few real user gestures with generative deep learning, with the…

Cryptography and Security · Computer Science 2024-07-15 George Webber , Jack Sturgess , Ivan Martinovic

We propose personal volunteer computing, a novel paradigm to encourage technical solutions that leverage personal devices, such as smartphones and laptops, for personal applications that require significant computations, such as animation…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-05-08 Erick Lavoie , Laurie Hendren

In this paper, we propose a system that enables photoplethysmogram (PPG)-based authentication by using a smartphone camera. PPG signals are obtained by recording a video from the camera as users are resting their finger on top of the camera…

Computer Vision and Pattern Recognition · Computer Science 2020-11-06 Giulio Lovisotto , Henry Turner , Simon Eberz , Ivan Martinovic

This paper proposes a learning-based visual peg-in-hole that enables training with several shapes in simulation, and adapting to arbitrary unseen shapes in real world with minimal sim-to-real cost. The core idea is to decouple the…

Robotics · Computer Science 2026-05-29 Liang Xie , Hongxiang Yu , Kechun Xu , Tong Yang , Minhang Wang , Haojian Lu , Rong Xiong , Yue Wang