English
Related papers

Related papers: Activity-Biometrics: Person Identification from Da…

200 papers

Recent advancement of research in biometrics, computer vision, and natural language processing has discovered opportunities for person retrieval from surveillance videos using textual query. The prime objective of a surveillance system is…

Computer Vision and Pattern Recognition · Computer Science 2021-05-07 Hiren Galiyawala , Mehul S Raval

Biometric technologies are widely adopted in security, legal, and financial systems. Face recognition can authenticate a person based on the unique facial features such as shape and texture. However, recent works have demonstrated the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Poulami Raha , Yeongnam Chae

Body-worn cameras are now commonly used for logging daily life, sports, and law enforcement activities, creating a large volume of archived footage. This paper studies the problem of classifying frames of footage according to the activity…

Image and Video Processing · Electrical Eng. & Systems 2019-04-22 Honglin Chen , Hao Li , Alexander Song , Matt Haberland , Osman Akar , Adam Dhillon , Tiankuang Zhou , Andrea L. Bertozzi , P. Jeffrey Brantingham

Not all people are equally easy to identify: color statistics might be enough for some cases while others might require careful reasoning about high- and low-level details. However, prevailing person re-identification(re-ID) methods use…

Computer Vision and Pattern Recognition · Computer Science 2018-10-03 Yan Wang , Lequn Wang , Yurong You , Xu Zou , Vincent Chen , Serena Li , Gao Huang , Bharath Hariharan , Kilian Q. Weinberger

Action recognition is an open and challenging problem in computer vision. While current state-of-the-art models offer excellent recognition results, their computational expense limits their impact for many real-world applications. In this…

Computer Vision and Pattern Recognition · Computer Science 2020-08-03 Yue Meng , Chung-Ching Lin , Rameswar Panda , Prasanna Sattigeri , Leonid Karlinsky , Aude Oliva , Kate Saenko , Rogerio Feris

Recent studies have shown how motion-based biometrics can be used as a form of user authentication and identification without requiring any human cooperation. This category of behavioural biometrics deals with the features we learn in our…

Machine Learning · Computer Science 2021-10-08 Akriti Verma , Valeh Moghaddam , Adnan Anwar

Eye movement biometrics (EMB) is a relatively recent behavioral biometric modality that may have the potential to become the primary authentication method in virtual- and augmented-reality devices due to their emerging use of eye-tracking…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Dillon Lohr , Oleg V Komogortsev

Human activity recognition has grown in popularity with its increase of applications within daily lifestyles and medical environments. The goal of having efficient and reliable human activity recognition brings benefits such as accessible…

Machine Learning · Computer Science 2022-01-24 Rushit Dave , Naeem Seliya , Mounika Vanamala , Wei Tee

Recognizing group activities is challenging due to the difficulties in isolating individual entities, finding the respective roles played by the individuals and representing the complex interactions among the participants. Individual…

Computer Vision and Pattern Recognition · Computer Science 2015-03-20 Qiang Qiu , Rama Chellappa

Detecting activities in untrimmed videos is an important but challenging task. The performance of existing methods remains unsatisfactory, e.g., they often meet difficulties in locating the beginning and end of a long complex action. In…

Computer Vision and Pattern Recognition · Computer Science 2017-03-09 Yuanjun Xiong , Yue Zhao , Limin Wang , Dahua Lin , Xiaoou Tang

Retailers have long been searching for ways to effectively understand their customers' behaviour in order to provide a smooth and pleasant shopping experience that attracts more customers everyday and maximises their revenue, consequently.…

Computer Vision and Pattern Recognition · Computer Science 2019-06-27 Mohammad Mahdi Kazemi Moghaddam , Ehsan Abbasnejad , Javen Shi

The embedded sensors in widely used smartphones and other wearable devices make the data of human activities more accessible. However, recognizing different human activities from the wearable sensor data remains a challenging research…

Machine Learning · Computer Science 2023-07-25 Taoran Sheng , Manfred Huber

Historically, much of the research in understanding, modeling, and mining human trajectory data has focused on where an individual stays. Thus, the focus of existing research has been on where a user goes. On the other hand, the study of…

Machine Learning · Computer Science 2024-10-01 Lance Kennedy , Andreas Züfle

We present a new public dataset with a focus on simulating robotic vision tasks in everyday indoor environments using real imagery. The dataset includes 20,000+ RGB-D images and 50,000+ 2D bounding boxes of object instances densely captured…

Computer Vision and Pattern Recognition · Computer Science 2017-03-07 Phil Ammirato , Patrick Poirson , Eunbyung Park , Jana Kosecka , Alexander C. Berg

Action recognition is an important component to improve autonomy of physical rehabilitation devices, such as wearable robotic exoskeletons. Existing human action recognition algorithms focus on adult applications rather than pediatric ones.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-13 Amel Dechemi , Vikarn Bhakri , Ipsita Sahin , Arjun Modi , Julya Mestas , Pamodya Peiris , Dannya Enriquez Barrundia , Elena Kokkoni , Konstantinos Karydis

The permanence of eye movements as a biometric modality remains largely unexplored in the literature. The present study addresses this limitation by evaluating a novel exponentially-dilated convolutional neural network for eye movement…

Human-Computer Interaction · Computer Science 2024-10-28 Dillon Lohr , Henry Griffith , Oleg V Komogortsev

Recent methods for video action recognition have reached outstanding performances on existing benchmarks. However, they tend to leverage context such as scenes or objects instead of focusing on understanding the human action itself. For…

Computer Vision and Pattern Recognition · Computer Science 2021-02-03 Philippe Weinzaepfel , Grégory Rogez

We present a Deep Convolutional Neural Network (DCNN) architecture for the task of continuous authentication on mobile devices. To deal with the limited resources of these devices, we reduce the complexity of the networks by learning…

Computer Vision and Pattern Recognition · Computer Science 2016-07-11 Pouya Samangouei , Rama Chellappa

Attribute representations became relevant in image recognition and word spotting, providing support under the presence of unbalance and disjoint datasets. However, for human activity recognition using sequential data from on-body sensors,…

Computer Vision and Pattern Recognition · Computer Science 2018-02-05 Fernando Moya Rueda , Gernot A. Fink

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