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Recently, transformers have demonstrated great potential for modeling long-term dependencies from skeleton sequences and thereby gained ever-increasing attention in skeleton action recognition. However, the existing transformer-based…

计算机视觉与模式识别 · 计算机科学 2024-07-31 Wenhan Wu , Ce Zheng , Zihao Yang , Chen Chen , Srijan Das , Aidong Lu

Many real-valued stochastic time-series are locally linear (Gassian), but globally non-linear. For example, the trajectory of a human hand gesture can be viewed as a linear dynamic system driven by a nonlinear dynamic system that represents…

机器学习 · 计算机科学 2013-01-30 Vladimir Pavlovic , Brendan J. Frey , Thomas S. Huang

In haptic object discrimination, the effect of gripper embodiment, action parameters, and sensory channels has not been systematically studied. We used two anthropomorphic hands and two 2-finger grippers to grasp two sets of deformable…

机器人学 · 计算机科学 2024-11-14 Michal Pliska , Shubhan Patni , Michal Mares , Pavel Stoudek , Zdenek Straka , Karla Stepanova , Matej Hoffmann

To analyze signals with rapid frequency variations or transient components, the time-reassigned synchrosqueezing transform (TSST) and its variants have been recently proposed. Unlike the traditional synchrosqueezing transform, TSST squeezes…

信号处理 · 电气工程与系统科学 2025-10-08 Shuixin Li , Jiecheng Chen , Qingtang Jiang , Lin Li

The synchrosqueezing transform, a kind of reassignment method, aims to sharpen the time-frequency representation and to separate the components of a multicomponent non-stationary signal. In this paper, we consider the short-time Fourier…

信号处理 · 电气工程与系统科学 2019-09-27 Lin Li , Haiyan Cai , Hongxia Han , Qingtang Jiang , Hongbing Ji

A method for time-frequency analysis is given. The approach utilizes properties of Gaussian distribution, properties of Hermite polynomials and Fourier analysis. We begin by the definitions of a set of functions called harmonic Gaussian…

Deep convolutional neural networks (CNNs) are appealing for the purpose of classification of hand movements from surface electromyography (sEMG) data because they have the ability to perform automated person-specific feature extraction from…

信号处理 · 电气工程与系统科学 2020-08-20 Adam Hartwell , Visakan Kadirkamanathan , Sean R. Anderson

Hand Gesture Recognition (HGR) based on inertial data has grown considerably in recent years, with the state-of-the-art approaches utilizing a single handheld sensor and a vocabulary comprised of simple gestures. In this work we explore the…

人机交互 · 计算机科学 2021-05-06 Matej Králik , Marek Šuppa

RGB-D action and gesture recognition remain an interesting topic in human-centered scene understanding, primarily due to the multiple granularities and large variation in human motion. Although many RGB-D based action and gesture…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Yujun Ma , Benjia Zhou , Ruili Wang , Pichao Wang

In this paper, it is introduced a hand gesture recognition system to recognize the characters in the real time. The system consists of three modules: real time hand tracking, training gesture and gesture recognition using Convolutional…

计算机视觉与模式识别 · 计算机科学 2020-11-11 Arpita Vats

Fast Fourier Transform (FFT) relies on the HRV frequency-domain analysis techniques. It requires re-sampling of the inherently unevenly sampled heartbeat time-series (RR tachogram) to produce an evenly sampled time series of the heartbeat.…

医学物理 · 物理学 2022-08-04 Amin Gasmi

In human computer interaction, real-time detection and classification of dynamic hand gestures is challenging as: 1) the system must run in a real-time video stream and there is no noticeable lag in response after performing a gesture; 2)…

计算机视觉与模式识别 · 计算机科学 2026-05-25 Yinghao Qin , Tijana Timotijevic

Surface electromyography (sEMG) is becoming exceeding useful in applications involving analysis of human motion such as in human-machine interface, assistive technology, healthcare and prosthetic development. The proposed work presents a…

信号处理 · 电气工程与系统科学 2020-05-05 Karush Suri , Rinki Gupta

This paper introduces likelihood-based and feature-based modulation recognition methods. In the feature-based modulation simulation part, instantaneous feature, cyclic spectrum, high-order cumulants, and wavelet transform features are used…

信号处理 · 电气工程与系统科学 2022-07-29 Rong Han , Zihuai Lin

Devices like the Myo armband available in the market today enable us to collect data about the position of a user's hands and fingers over time. We can use these technologies for sign language translation since each sign is roughly a…

计算机视觉与模式识别 · 计算机科学 2017-01-10 Hardie Cate , Fahim Dalvi , Zeshan Hussain

Gesture recognition is an indispensable component of natural and efficient human-computer interaction technology, particularly in desktop-level applications, where it can significantly enhance people's productivity. However, the current…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Qi Wang , Fengchao Zhu , Guangming Zhu , Liang Zhang , Ning Li , Eryang Gao

We propose a novel multi-modal and multi-task architecture for simultaneous low level gesture and surgical task classification in Robot Assisted Surgery (RAS) videos.Our end-to-end architecture is based on the principles of a long…

计算机视觉与模式识别 · 计算机科学 2018-05-03 Duygu Sarikaya , Khurshid A. Guru , Jason J. Corso

Skewness and kurtosis are fundamental statistical moments commonly used to quantify asymmetry and tail behavior in probability distributions. Despite their widespread application in statistical mechanics, condensed matter physics, and…

数学物理 · 物理学 2025-06-23 Carlo De Michele , Samuele De Bartolo

Accurate estimation of gait characteristics, including step length, step velocity, and travel distance, is critical for assessing mobility in toddlers, children and teens with Duchenne muscular dystrophy (DMD) and typically developing (TD)…

信号处理 · 电气工程与系统科学 2025-06-02 Erik K. Henricson , Albara Ah Ramli

The study of dexterous manipulation has provided important insights in humans sensorimotor control as well as inspiration for manipulation strategies in robotic hands. Previous work focused on experimental environment with restrictions.…

机器人学 · 计算机科学 2019-09-13 Nutan Chen , Göran Westling , Benoni B. Edin , Patrick van der Smagt