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Many smartphone applications use inertial measurement units (IMUs) to sense movement, but the use of these sensors for pedestrian localization can be challenging due to their noise characteristics. Recent data-driven inertial odometry…

Robotics · Computer Science 2021-02-09 Scott Sun , Dennis Melamed , Kris Kitani

This paper proposes a novel data-driven approach for inertial navigation, which learns to estimate trajectories of natural human motions just from an inertial measurement unit (IMU) in every smartphone. The key observation is that human…

Computer Vision and Pattern Recognition · Computer Science 2018-01-03 Hang Yan , Qi Shan , Yasutaka Furukawa

Accurate diagnosis of gait impairments is often hindered by subjective or costly assessment methods, with current solutions requiring either expensive multi-camera equipment or relying on subjective clinical observation. There is a critical…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Lauhitya Reddy , Ketan Anand , Shoibolina Kaushik , Corey Rodrigo , J. Lucas McKay , Trisha M. Kesar , Hyeokhyen Kwon

Sensor data-based recognition systems are widely used in various applications, such as gait-based authentication and human activity recognition (HAR). Modern wearable and smart devices feature various built-in Inertial Measurement Unit…

Cryptography and Security · Computer Science 2025-11-19 Ajesh Koyatan Chathoth , Stephen Lee

Gait recognition is widely used in social security applications due to its advantages in long-distance human identification. Recently, sequence-based methods have achieved high accuracy by learning abundant temporal and spatial information.…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Ziwen He , Wei Wang , Jing Dong , Tieniu Tan

With the rapid development of wearable technology, devices like smartphones, smartwatches, and headphones equipped with IMUs have become essential for applications such as pedestrian positioning. However, traditional pedestrian dead…

Machine Learning · Computer Science 2024-11-13 Lan Sun , Songpengcheng Xia , Junyuan Deng , Jiarui Yang , Zengyuan Lai , Qi Wu , Ling Pei

By adding users as a new dimension to connectivity, on-body Internet-of-Things (IoT) devices have gained considerable momentum in recent years, while raising serious privacy and safety issues. Existing approaches to authenticate these…

Cryptography and Security · Computer Science 2020-05-25 Yong Huang , Wei Wang , Hao Wang , Tao Jiang , Qian Zhang

Gait recognition has emerged as a powerful biometric technique for identifying individuals at a distance without requiring user cooperation. Most existing methods focus primarily on RGB-derived modalities, which fall short in real-world…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Chenye Wang , Qingyuan Cai , Saihui Hou , Aoqi Li , Yongzhen Huang

Recent studies confirm the applicability of Inertial Measurement Unit (IMU)-based systems for human motion analysis. Notwithstanding, high-end IMU-based commercial solutions are yet too expensive and complex to democratize their use among a…

Mouse dynamics is a potential means of authenticating users. Typically, the authentication process is based on classical machine learning techniques, but recently, deep learning techniques have been introduced for this purpose. Although…

Machine Learning · Computer Science 2019-11-28 Yi Xiang Marcus Tan , Alfonso Iacovazzi , Ivan Homoliak , Yuval Elovici , Alexander Binder

With the rapid growth in the number of IoT devices being added to the network, a major concern that arises is the security of these systems. As these devices are resource constrained, safety measures are difficult to implement on the edge.…

Cryptography and Security · Computer Science 2022-10-12 A. Bhanpurawala , K. El-Fakih , I. Zualkernan

Gait as a biometric trait has attracted much attention in many security and privacy applications such as identity recognition and authentication, during the last few decades. Because of its nature as a long-distance biometric trait, gait…

Computer Vision and Pattern Recognition · Computer Science 2020-09-18 BingZhang Hu , Yu Guan , Yan Gao , Yang Long , Nicholas Lane , Thomas Ploetz

Gait recognition is a term commonly referred to as an identification problem within the Computer Science field. There are a variety of methods and models capable of identifying an individual based on their pattern of ambulatory locomotion.…

Machine Learning · Computer Science 2021-01-01 Ryan C. Saxe , Samantha Kappagoda , David K. A. Mordecai

Nowadays smartphones come embedded with multiple motion sensors, such as an accelerometer, a gyroscope and an orientation sensor. With these sensors, apps can gather more information and therefore provide end users with more functionality.…

Cryptography and Security · Computer Science 2014-10-29 Yihang Song , Madhur Kukreti , Rahul Rawat , Urs Hengartner

A Membership Inference Attack (MIA) assesses how much a target machine learning model reveals about its training data by determining whether specific query instances were part of the training set. State-of-the-art MIAs rely on training…

Cryptography and Security · Computer Science 2026-01-13 Yuntao Du , Yuetian Chen , Hanshen Xiao , Bruno Ribeiro , Ninghui Li

Inertial measurement units (IMUs), have been prevalently used in a wide range of mobile perception applications such as activity recognition and user authentication, where a large amount of labelled data are normally required to train a…

Machine Learning · Computer Science 2025-12-02 Yunzhe Li , Facheng Hu , Hongzi Zhu , Shifan Zhang , Liang Zhang , Shan Chang , Minyi Guo

This paper presents an end-to-end methodology for collecting datasets to recognize handwritten English alphabets by utilizing Inertial Measurement Units (IMUs) and leveraging the diversity present in the Indian writing style. The IMUs are…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Hari Prabhat Gupta , Rahul Mishra

Motion ability is one of the most important human properties, including gait as a basis of human transitional movement. Gait, as a biometric for recognizing human identities, can be non-intrusively captured signals using wearable or…

Computer Vision and Pattern Recognition · Computer Science 2017-05-05 Vahid Alizadeh

Previous gait phase detection as convolutional neural network (CNN) based classification task requires cumbersome manual setting of time delay or heavy overlapped sliding windows to accurately classify each phase under different test cases,…

Machine Learning · Computer Science 2022-05-11 Jien-De Sui , Wei-Han Chen , Tzyy-Yuang Shiang , Tian-Sheuan Chang

Movement disorders, such as Parkinson's disease, affect more than 10 million people worldwide. Gait analysis is a critical step in the diagnosis and rehabilitation of these disorders. Specifically, step length provides valuable insights…

Signal Processing · Electrical Eng. & Systems 2022-05-03 Sizhe An , Yigit Tuncel , Toygun Basaklar , Gokul Krishna Krishnakumar , Ganapati Bhat , Umit Ogras