English
Related papers

Related papers: Free-Text Keystroke Dynamics for User Authenticati…

200 papers

The task of person re-identification has recently received rising attention due to the high performance achieved by new methods based on deep learning. In particular, in the context of video-based re-identification, many state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2018-04-11 Jean-Baptiste Boin , Andre Araujo , Bernd Girod

The character information in natural scene images contains various personal information, such as telephone numbers, home addresses, etc. It is a high risk of leakage the information if they are published. In this paper, we proposed a scene…

Computer Vision and Pattern Recognition · Computer Science 2017-05-09 Toshiki Nakamura , Anna Zhu , Keiji Yanai , Seiichi Uchida

In this paper, we propose a deep learning approach for smartphone user identification based on analyzing motion signals recorded by the accelerometer and the gyroscope, during a single tap gesture performed by the user on the screen. We…

Machine Learning · Computer Science 2020-03-24 Cezara Benegui , Radu Tudor Ionescu

Signature is widely used in human daily lives, and serves as a supplementary characteristic for verifying human identity. However, there is rare work of verifying signature. In this paper, we propose a few deep learning architectures to…

Computer Vision and Pattern Recognition · Computer Science 2019-12-12 Zihan Zeng , Jing Tian

In this paper, we propose a new technique to uniquely classify and identify multiple users accessing a single application using keystroke dynamics. This problem is usually encountered when multiple users have legitimate access to shared…

Signal Processing · Electrical Eng. & Systems 2022-10-07 Chinmay Sahu , Mahesh Banavar , Stephanie Schuckers

Click-Through Rate prediction is an important task in recommender systems, which aims to estimate the probability of a user to click on a given item. Recently, many deep models have been proposed to learn low-order and high-order feature…

Information Retrieval · Computer Science 2019-04-30 Bin Liu , Ruiming Tang , Yingzhi Chen , Jinkai Yu , Huifeng Guo , Yuzhou Zhang

Generating natural language descriptions for images is a challenging task. The traditional way is to use the convolutional neural network (CNN) to extract image features, followed by recurrent neural network (RNN) to generate sentences. In…

Computer Vision and Pattern Recognition · Computer Science 2016-02-08 Shijian Tang , Song Han

Current controls over diffusion models (e.g., through text or ControlNet) for image generation fall short in recognizing abstract, continuous attributes like illumination direction or non-rigid shape change. In this paper, we present an…

Computer Vision and Pattern Recognition · Computer Science 2024-02-14 Ta-Ying Cheng , Matheus Gadelha , Thibault Groueix , Matthew Fisher , Radomir Mech , Andrew Markham , Niki Trigoni

In recent years, convolutional neural networks (CNNs) took over the field of document analysis and they became the predominant model for word spotting. Especially attribute CNNs, which learn the mapping between a word image and an attribute…

Computer Vision and Pattern Recognition · Computer Science 2019-03-27 Fabian Wolf , Philipp Oberdiek , Gernot A. Fink

Cross-modal information retrieval aims to find heterogeneous data of various modalities from a given query of one modality. The main challenge is to map different modalities into a common semantic space, in which distance between concepts…

Information Retrieval · Computer Science 2018-02-14 Jing Yu , Yuhang Lu , Zengchang Qin , Yanbing Liu , Jianlong Tan , Li Guo , Weifeng Zhang

Identifying patient cohorts from clinical notes in secondary electronic health records is a fundamental task in clinical information management. However, with the growing number of clinical notes, it becomes challenging to analyze the data…

Computation and Language · Computer Science 2023-03-14 Sahar Khalafi , Nasser Ghadiri , Milad Moradi

Writer identification based on a small amount of text is a challenging problem. In this paper, we propose a new benchmark study for writer identification based on word or text block images which approximately contain one word. In order to…

Computer Vision and Pattern Recognition · Computer Science 2020-03-25 Sheng He , Lambert Schomaker

Keystroke dynamics is a promising modality for active user authentication, but its effectiveness under varying LLM-assisted typing and cognitive conditions remains understudied. Using data from 50 users and cognitive labels from Bloom's…

Cryptography and Security · Computer Science 2025-09-30 Dong Hyun Roh , Rajesh Kumar

Recent text-to-image models have achieved impressive results. However, since they require large-scale datasets of text-image pairs, it is impractical to train them on new domains where data is scarce or not labeled. In this work, we propose…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Shelly Sheynin , Oron Ashual , Adam Polyak , Uriel Singer , Oran Gafni , Eliya Nachmani , Yaniv Taigman

Feature detectors and descriptors have been successfully used for various computer vision tasks, such as video object tracking and content-based image retrieval. Many methods use image gradients in different stages of the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Umut Özaydın , Theodoros Georgiou , Michael Lew

The splendid success of convolutional neural networks (CNNs) in computer vision is largely attributable to the availability of massive annotated datasets, such as ImageNet and Places. However, in medical imaging, it is challenging to create…

Machine Learning · Computer Science 2021-04-13 Zongwei Zhou , Jae Y. Shin , Suryakanth R. Gurudu , Michael B. Gotway , Jianming Liang

Here we present a parametric model for dynamic textures. The model is based on spatiotemporal summary statistics computed from the feature representations of a Convolutional Neural Network (CNN) trained on object recognition. We demonstrate…

Computer Vision and Pattern Recognition · Computer Science 2017-02-24 Christina M. Funke , Leon A. Gatys , Alexander S. Ecker , Matthias Bethge

The interest in demographic information retrieval based on text data has increased in the research community because applications have shown success in different sectors such as security, marketing, heath-care, and others. Recognition and…

Computation and Language · Computer Science 2021-07-07 Daniel Escobar-Grisales , Juan Camilo Vasquez-Correa , Juan Rafael Orozco-Arroyave

In recent years, a variety of proposed methods based on deep convolutional neural networks (CNNs) have improved the state of the art for large-scale person re-identification (ReID). While a large number of optimizations and network…

Computer Vision and Pattern Recognition · Computer Science 2019-07-31 Paul Marchwica , Michael Jamieson , Parthipan Siva

In this study, we present a method for classifying dynamical systems using a hybrid approach involving recurrence plots and a convolution neural network (CNN). This is performed by obtaining the recurrence matrix of a time series generated…

Data Analysis, Statistics and Probability · Physics 2021-11-02 Daniel Han , Giuseppe Orlando , Sergei Fedotov