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Related papers: PHASE: Passive Human Activity Simulation Evaluatio…

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Sensor-based Human Activity Recognition facilitates unobtrusive monitoring of human movements. However, determining the most effective sensor placement for optimal classification performance remains challenging. This paper introduces a…

Machine Learning · Computer Science 2023-07-07 Orhan Konak , Alexander Wischmann , Robin van de Water , Bert Arnrich

Face image synthesis has progressed beyond the point at which humans can effectively distinguish authentic faces from synthetically generated ones. Recently developed synthetic face image detectors boast "better-than-human" discriminative…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Aidan Boyd , Patrick Tinsley , Kevin Bowyer , Adam Czajka

We propose an experimental method for measuring bias in face recognition systems. Existing methods to measure bias depend on benchmark datasets that are collected in the wild and annotated for protected (e.g., race, gender) and…

Computer Vision and Pattern Recognition · Computer Science 2023-08-11 Hao Liang , Pietro Perona , Guha Balakrishnan

Human activity recognition (HAR) ideally relies on data from wearable or environment-instrumented sensors sampled at regular intervals, enabling standard neural network models optimized for consistent time-series data as input. However,…

Signal Processing · Electrical Eng. & Systems 2025-01-28 Mengxi Liu , Daniel Geißler , Sizhen Bian , Bo Zhou , Paul Lukowicz

In this paper we study the liveness of several MUTEX solutions by representing them as processes in PAFAS s, a CCS-like process algebra with a specific operator for modelling non-blocking reading behaviours. Verification is carried out…

Logic in Computer Science · Computer Science 2011-06-08 Federico Buti , Massimo Callisto De Donato , Flavio Corradini , Maria Rita Di Berardini , Walter Vogler

Event-based sensors have emerged as a promising solution for addressing challenging conditions in pedestrian and traffic monitoring systems. Their low-latency and high dynamic range allow for improved response time in safety-critical…

Computer Vision and Pattern Recognition · Computer Science 2025-07-17 Kaustav Chanda , Aayush Atul Verma , Arpitsinh Vaghela , Yezhou Yang , Bharatesh Chakravarthi

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

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

Speech activity detection (SAD), which often rests on the fact that the noise is "more" stationary than speech, is particularly challenging in non-stationary environments, because the time variance of the acoustic scene makes it difficult…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-29 Jens Heitkaemper , Joerg Schmalenstroeer , Reinhold Haeb-Umbach

Advances in generative AI point towards a new era of personalized applications that perform diverse tasks on behalf of users. While general AI assistants have yet to fully emerge, their potential to share personal data raises significant…

Artificial Intelligence · Computer Science 2024-09-24 Zhao Cheng , Diane Wan , Matthew Abueg , Sahra Ghalebikesabi , Ren Yi , Eugene Bagdasarian , Borja Balle , Stefan Mellem , Shawn O'Banion

The research on human activity recognition has provided novel solutions to many applications like healthcare, sports, and user profiling. Considering the complex nature of human activities, it is still challenging even after effective and…

Human-Computer Interaction · Computer Science 2023-07-11 Ranjit Kolkar , Geetha V

Emerging technology demands reliable authentication mechanisms, particularly in interconnected systems. Current systems rely on a single moment of authentication, however continuous authentication systems assess a users identity utilizing a…

Cryptography and Security · Computer Science 2019-03-11 Rasana Manandhar , Shaya Wolf , Mike Borowczak

Round-the-clock monitoring of human behavior and emotions is required in many healthcare applications which is very expensive but can be automated using machine learning (ML) and sensor technologies. Unfortunately, the lack of…

Signal Processing · Electrical Eng. & Systems 2021-02-17 Bonny Banerjee , Masoumeh Heidari Kapourchali , Murchana Baruah , Mousumi Deb , Kenneth Sakauye , Mette Olufsen

Human body part parsing, or human semantic part segmentation, is fundamental to many computer vision tasks. In conventional semantic segmentation methods, the ground truth segmentations are provided, and fully convolutional networks (FCN)…

Computer Vision and Pattern Recognition · Computer Science 2018-05-14 Hao-Shu Fang , Guansong Lu , Xiaolin Fang , Jianwen Xie , Yu-Wing Tai , Cewu Lu

We propose a real-time human activity analysis system, where a user's activity can be quantiatively evaluated with respect to a ground truth recording. We use two Kinects to solve the ptorblem of self-occlusion through extraction optimal…

Multimedia · Computer Science 2017-12-01 Randy Tan , Naimul Khan , Ling Guan

The phase of the channel state information (CSI) is underutilized as a source of information in wireless sensing due to its sensitivity to synchronization errors of the signal reception. A linear transformation of the phase is commonly…

Signal Processing · Electrical Eng. & Systems 2023-10-16 Guillermo Diaz , Iker Sobron , Iñaki Eizmendi , Iratxe landa , Manuel Velez

We introduce Synapse motivated by the needs to estimate and emulate workload execution characteristics on high-performance and distributed heterogeneous resources. Synapse has a platform independent application profiler, and the ability to…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-08-03 Andre Merzky , Shantenu Jha

Being able to detect and recognize human activities is essential for several applications, including personal assistive robotics. In this paper, we perform detection and recognition of unstructured human activity in unstructured…

Robotics · Computer Science 2014-06-25 Jaeyong Sung , Colin Ponce , Bart Selman , Ashutosh Saxena

Accurately annotated image datasets are essential components for studying animal behaviors from their poses. Compared to the number of species we know and may exist, the existing labeled pose datasets cover only a small portion of them,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-31 Le Jiang , Shuangjun Liu , Xiangyu Bai , Sarah Ostadabbas

Synthetic data generation is gaining traction as a privacy enhancing technology (PET). When properly generated, synthetic data preserve the analytic utility of real data while avoiding the retention of information that would allow the…