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Privacy-enhancing technologies are technologies that implement fundamental data protection principles. With respect to biometric recognition, different types of privacy-enhancing technologies have been introduced for protecting stored…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Pietro Melzi , Christian Rathgeb , Ruben Tolosana , Ruben Vera-Rodriguez , Christoph Busch

Iris recognition is a secure biometric technology known for its stability and privacy. With no two irises being identical and little change throughout a person's lifetime, iris recognition is considered more reliable and less susceptible to…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Yimin Yin , Siliang He , Renye Zhang , Hongli Chang , Xu Han , Jinghua Zhang

Deep learning based localization and mapping approaches have recently emerged as a new research direction and receive significant attentions from both industry and academia. Instead of creating hand-designed algorithms based on physical…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Changhao Chen , Bing Wang , Chris Xiaoxuan Lu , Niki Trigoni , Andrew Markham

Gait refers to the patterns of limb movement generated during walking, which are unique to each individual due to both physical and behavioral traits. Walking patterns have been widely studied in biometrics, biomechanics, sports, and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Robyn Larracy , Angkoon Phinyomark , Ala Salehi , Eve MacDonald , Saeed Kazemi , Shikder Shafiul Bashar , Aaron Tabor , Erik Scheme

Gait recognition is instrumental in crime prevention and social security, for it can be conducted at a long distance to figure out the identity of persons. However, existing datasets and methods cannot satisfactorily deal with the most…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Xuqian Ren , Saihui Hou , Chunshui Cao , Xu Liu , Yongzhen Huang

Insider threats, as one type of the most challenging threats in cyberspace, usually cause significant loss to organizations. While the problem of insider threat detection has been studied for a long time in both security and data mining…

Cryptography and Security · Computer Science 2020-05-27 Shuhan Yuan , Xintao Wu

Gait recognition is emerging as a promising technology and an innovative field within computer vision, with a wide range of applications in remote human identification. However, existing methods typically rely on complex architectures to…

Computer Vision and Pattern Recognition · Computer Science 2026-01-26 Zhengxian Wu , Chuanrui Zhang , Shenao Jiang , Hangrui Xu , Zirui Liao , Luyuan Zhang , Huaqiu Li , Peng Jiao , Haoqian Wang

Gait disabilities are among the most frequent worldwide. Their treatment relies on rehabilitation therapies, in which smart walkers are being introduced to empower the user's recovery and autonomy, while reducing the clinicians effort. For…

Computer Vision and Pattern Recognition · Computer Science 2023-05-22 Carolina Gonçalves , João M. Lopes , Sara Moccia , Daniele Berardini , Lucia Migliorelli , Cristina P. Santos

Deep learning based localization and mapping has recently attracted significant attention. Instead of creating hand-designed algorithms through exploitation of physical models or geometric theories, deep learning based solutions provide an…

Computer Vision and Pattern Recognition · Computer Science 2020-07-01 Changhao Chen , Bing Wang , Chris Xiaoxuan Lu , Niki Trigoni , Andrew Markham

Gait recognition has emerged as a powerful tool for unobtrusive and long-range identity analysis, with growing relevance in surveillance and monitoring applications. Although recent advances in deep learning and large-scale datasets have…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Nicoleta Basoc , Adrian Cosma , Andy Cǎtrunǎ , Emilian Rǎdoi

Conventional gait de-identification methods often encounter an inherent trade-off: they either provide insufficient identity suppression or introduce spatiotemporal distortions that impede structure-sensitive downstream applications. We…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Huiran Duan , Qian Zhou , Zhongliang Guo , Junhao Dong , Yuqi Li , Guoying Zhao , Yingli Tian

Gait recognition is an important AI task, which has been progressed rapidly with the development of deep learning. However, existing learning based gait recognition methods mainly focus on the single domain, especially the constrained…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Likai Wang , Ruize Han , Wei Feng , Song Wang

Gait recognition is a biometric technology that identifies individuals in a video sequence by analysing their style of walking or limb movement. However, this identification is generally sensitive to appearance changes and conventional…

Computer Vision and Pattern Recognition · Computer Science 2020-06-29 Sandesh Bharadwaj , Kunal Chanda

Smart wearable devices (SWDs) collect and store sensitive daily information of many people. Its primary method of identification is still the password unlocking method. However, several studies have shown serious security flaws in that…

Cryptography and Security · Computer Science 2024-02-27 Yu Su , Yongjiao Li , Zhu Cao

In the United States, as of 2023, pet ownership has reached 66% of households and continues to rise annually. This trend underscores the critical need for effective pet identification and monitoring methods, particularly as nearly 10…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Inpyo Song , Hyemin Hwang , Jangwon Lee

Video-based gait recognition has achieved impressive results in constrained scenarios. However, visual cameras neglect human 3D structure information, which limits the feasibility of gait recognition in the 3D wild world. Instead of…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Chuanfu Shen , Chao Fan , Wei Wu , Rui Wang , George Q. Huang , Shiqi Yu

The considerable body of data available for evaluating biometric recognition systems in Research and Development (R\&D) environments has contributed to the increasingly common problem of target performance mismatch. Biometric algorithms are…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Deniz Aykac , Joel Brogan , Nell Barber , Ryan Shivers , Bob Zhang , Dallas Sacca , Ryan Tipton , Gavin Jager , Austin Garret , Matthew Love , Jim Goddard , David Cornett , David S. Bolme

In recent years, with the increasing demand for public safety and the rapid development of intelligent surveillance networks, person re-identification (Re-ID) has become one of the hot research topics in the computer vision field. The main…

Computer Vision and Pattern Recognition · Computer Science 2022-01-14 Zhangqiang Ming , Min Zhu , Xiangkun Wang , Jiamin Zhu , Junlong Cheng , Chengrui Gao , Yong Yang , Xiaoyong Wei

Wearable technology for the automatic detection of gait events has recently gained growing interest, enabling advanced analyses that were previously limited to specialist centres and equipment (e.g., instrumented walkway). In this study, we…

Signal Processing · Electrical Eng. & Systems 2020-09-01 Matteo Gadaleta , Giulia Cisotto , Michele Rossi , Rana Zia Ur Rehman , Lynn Rochester , Silvia Del Din

Human gait has been commonly used for the diagnosis and evaluation of medical conditions and for monitoring the progress during treatment and rehabilitation. The use of wearable sensors that capture pressure or motion has yielded techniques…

Signal Processing · Electrical Eng. & Systems 2024-03-14 Ryan Cavanagh , Jelena Trajkovic , Wenlu Zhang , I-Hung Khoo , Vennila Krishnan