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Synthesizing realistic co-speech gestures is an important and yet unsolved problem for creating believable motions that can drive a humanoid robot to interact and communicate with human users. Such capability will improve the impressions of…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Shuhong Lu , Youngwoo Yoon , Andrew Feng

In the robotics literature, different knowledge transfer approaches have been proposed to leverage the experience from a source task or robot -- real or virtual -- to accelerate the learning process on a new task or robot. A commonly made…

Robotics · Computer Science 2020-03-31 Michael J. Sorocky , Siqi Zhou , Angela P. Schoellig

Biometric-based verification is widely employed on the smartphones for various applications, including financial transactions. In this work, we present a new multimodal biometric dataset (face, voice, and periocular) acquired using a…

Computer Vision and Pattern Recognition · Computer Science 2019-12-06 Raghavendra Ramachandra , Martin Stokkenes , Amir Mohammadi , Sushma Venkatesh , Kiran Raja , Pankaj Wasnik , Eric Poiret , Sébastien Marcel , Christoph Busch

An open research problem in automatic signature verification is the skilled forgery attacks. However, the skilled forgeries are very difficult to acquire for representation learning. To tackle this issue, this paper proposes to learn…

Computer Vision and Pattern Recognition · Computer Science 2019-11-15 Songxuan Lai , Lianwen Jin , Luojun Lin , Yecheng Zhu , Huiyun Mao

With the development of generative models like GPT-3, it is increasingly more challenging to differentiate generated texts from human-written ones. There is a large number of studies that have demonstrated good results in bot…

Computation and Language · Computer Science 2023-11-21 Vasilii Gromov , Quynh Nhu Dang

Search typically relies on keyword queries, but these are often semantically ambiguous. We propose to overcome this by offering users natural language questions, based on their keyword queries, to disambiguate their intent. This…

Information Retrieval · Computer Science 2018-07-18 Heng Ding , Krisztian Balog

There are numerous opportunities for adversaries to observe user behavior remotely on the web. Additionally, keystroke biometric algorithms have advanced to the point where user identification and soft biometric trait recognition rates are…

Cryptography and Security · Computer Science 2017-01-20 John V. Monaco , Charles C. Tappert

The widespread adoption of wearable sensors has the potential to provide massive and heterogeneous time series data, driving the use of Artificial Intelligence in human sensing applications. However, data collection remains limited due to…

Machine Learning · Computer Science 2025-12-04 Flavio Di Martino , Franca Delmastro

A multi-modal machine learning system uses multiple unique data sources and types to improve its performance. This article proposes a system that combines results from several types of models, all of which are trained on different data…

Machine Learning · Computer Science 2024-02-05 Aaron Mullen , Samuel E. Armstrong , Jasmine Perdeh , Bjorn Bauer , Jeffrey Talbert , V. K. Cody Bumgardner

Evaluating the performance of generative models in image synthesis is a challenging task. Although the Fr\'echet Inception Distance is a widely accepted evaluation metric, it integrates different aspects (e.g., fidelity and diversity) of…

Computer Vision and Pattern Recognition · Computer Science 2021-06-07 Ryoungwoo Jang , Minjee Kim , Da-in Eun , Kyungjin Cho , Jiyeon Seo , Namkug Kim

Neural networks need big annotated datasets for training. However, manual annotation can be too expensive or even unfeasible for certain tasks, like multi-person 2D pose estimation with severe occlusions. A remedy for this is synthetic data…

Computer Vision and Pattern Recognition · Computer Science 2019-08-05 David T. Hoffmann , Dimitrios Tzionas , Micheal J. Black , Siyu Tang

Digital footprints (records of individuals' interactions with digital systems) are essential for studying behavior, developing personalized applications, and training machine learning models. However, research in this area is often hindered…

Computation and Language · Computer Science 2026-03-13 Minjia Wang , Yunfeng Wang , Xiao Ma , Dexin Lv , Qifan Guo , Lynn Zheng , Benliang Wang , Lei Wang , Jiannan Li , Yongwei Xing , David Xu , Zheng Sun

The finding that very large networks can be trained efficiently and reliably has led to a paradigm shift in computer vision from engineered solutions to learning formulations. As a result, the research challenge shifts from devising…

Computer Vision and Pattern Recognition · Computer Science 2018-03-23 Nikolaus Mayer , Eddy Ilg , Philipp Fischer , Caner Hazirbas , Daniel Cremers , Alexey Dosovitskiy , Thomas Brox

Evaluating retrieval performance without editorial relevance judgments is challenging, but instead, user interactions can be used as relevance signals. Living labs offer a way for small-scale platforms to validate information retrieval…

Information Retrieval · Computer Science 2023-10-12 Timo Breuer , Norbert Fuhr , Philipp Schaer

We are developing a system for human-robot communication that enables people to communicate with robots in a natural way and is focused on solving problems in a shared space. Our strategy for developing this system is fundamentally…

Human-Computer Interaction · Computer Science 2017-10-03 Michael Wollowski , Carlotta Berry , Ryder Winck , Alan Jern , David Voltmer , Alan Chiu , Yosi Shibberu

Traditional authentication systems that rely on simple passwords, PIN numbers or tokens have many security issues, like easily guessed passwords, PIN numbers written on the back of cards, etc. Thus, biometric authentication methods that…

Cryptography and Security · Computer Science 2021-09-08 Richard Brown , Gueltoum Bendiab , Stavros Shiaeles , Bogdan Ghita

There are several confounding factors that can reduce the accuracy of gait recognition systems. These factors can reduce the distinctiveness, or alter the features used to characterise gait, they include variations in clothing, lighting,…

Computer Vision and Pattern Recognition · Computer Science 2016-10-25 Christoforos C. Charalambous , Anil A. Bharath

Keystroke dynamics can be used to analyze the way that users type by measuring various aspects of keyboard input. Previous work has demonstrated the feasibility of user authentication and identification utilizing keystroke dynamics. In this…

Machine Learning · Computer Science 2021-07-02 Han-Chih Chang , Jianwei Li , Ching-Seh Wu , Mark Stamp

Research and education in machine learning needs diverse, representative, and open datasets that contain sufficient samples to handle the necessary training, validation, and testing tasks. Currently, the Recommender Systems area includes a…

Information Retrieval · Computer Science 2023-03-03 Jesús Bobadilla , Abraham Gutiérrez , Raciel Yera , Luis Martínez

The increasing applications of autonomous driving systems necessitates large-scale, high-quality datasets to ensure robust performance across diverse scenarios. Synthetic data has emerged as a viable solution to augment real-world datasets…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Enes Özeren , Arka Bhowmick