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The focus of this paper is dynamic gesture recognition in the context of the interaction between humans and machines. We propose a model consisting of two sub-networks, a transformer and an ordered-neuron long-short-term-memory (ON-LSTM)…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Kenneth Lai , Svetlana Yanushkevich

Gesture recognition is a very essential technology for many wearable devices. While previous algorithms are mostly based on statistical methods including the hidden Markov model, we develop two dynamic hand gesture recognition techniques…

Computer Vision and Pattern Recognition · Computer Science 2016-08-16 Sungho Shin , Wonyong Sung

In sensitive scenarios, such as meetings, negotiations, and team sports, messages must be conveyed without detection by non-collaborators. Previous methods, such as encrypting messages, eye contact, and micro-gestures, had problems with…

Human-Computer Interaction · Computer Science 2024-11-22 Hongxin Li , Jingsheng Tang , Xuechao Xu , Wei Dai , Yaru Liu , Junhao Xiao , Huimin Lu , Zongtan Zhou

This work proposes a novel approach for hand gesture recognition using an inexpensive, low-resolution (24 x 32) thermal sensor processed by a Spiking Neural Network (SNN) followed by Sparse Segmentation and feature-based gesture…

Computer Vision and Pattern Recognition · Computer Science 2024-01-15 Ali Safa , Wout Mommen , Lars Keuninckx

Human gesture recognition has assumed a capital role in industrial applications, such as Human-Machine Interaction. We propose an approach for segmentation and classification of dynamic gestures based on a set of handcrafted features, which…

Computer Vision and Pattern Recognition · Computer Science 2020-08-27 André Brás , Miguel Simão , Pedro Neto

We designed and tested a system for real-time control of a user interface by extracting surface electromyographic (sEMG) activity from eight electrodes in a wrist-band configuration. sEMG data were streamed into a machine-learning algorithm…

Surface electromyography (sEMG) and high-density sEMG (HD-sEMG) biosignals have been extensively investigated for myoelectric control of prosthetic devices, neurorobotics, and more recently human-computer interfaces because of their…

Human-Computer Interaction · Computer Science 2023-09-25 Qin Hu , Golara Ahmadi Azar , Alyson Fletcher , Sundeep Rangan , S. Farokh Atashzar

Human motion style transfer allows characters to appear less rigidity and more realism with specific style. Traditional arbitrary image style transfer typically process mean and variance which is proved effective. Meanwhile, similar methods…

Computer Vision and Pattern Recognition · Computer Science 2025-11-07 Hanmo Chen , Chenghao Xu , Jiexi Yan , Cheng Deng

Due to the advance of technologies, machines are increasingly present in people's daily lives. Thus, there has been more and more effort to develop interfaces, such as dynamic gestures, that provide an intuitive way of interaction.…

Computer Vision and Pattern Recognition · Computer Science 2020-06-19 Clebeson Canuto dos Santos , Jorge Leonid Aching Samatelo , Raquel Frizera Vassallo

Although myoelectric prosthetic hands provide amputees with intuitive control, their reliance on many EMG sensors limits accessibility and makes them complex and expensive. To address this problem, this work presents a different perspective…

Biological Physics · Physics 2025-04-22 Mustafa Can Kadilar , Ersin Toptaş , Gazi Akgün

Automatic surgical gesture recognition is a prerequisite of intra-operative computer assistance and objective surgical skill assessment. Prior works either require additional sensors to collect kinematics data or have limitations on…

Image and Video Processing · Electrical Eng. & Systems 2020-07-15 Jinglu Zhang , Yinyu Nie , Yao Lyu , Hailin Li , Jian Chang , Xiaosong Yang , Jian Jun Zhang

We present a Fourier-based machine learning technique that characterizes and detects facial emotions. The main challenging task in the development of machine learning (ML) models for classifying facial emotions is the detection of accurate…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Aishwarya Gouru , Shan Suthaharan

In recent years, real-time control of prosthetic hands has gained a great deal of attention. In particular, real-time analysis of Electromyography (EMG) signals has several challenges to achieve an acceptable accuracy and execution delay.…

Signal Processing · Electrical Eng. & Systems 2021-07-05 Reza Bagherian Azhiri , Mohammad Esmaeili , Mehrdad Nourani

Synchrosqueezed transforms are non-linear processes for a sharpened time-frequency representation of wave-like components. They are efficient tools for identifying and analyzing wave-like components from their superposition. This paper is…

Statistics Theory · Mathematics 2016-08-10 Haizhao Yang

We propose to combine cepstrum and nonlinear time-frequency (TF) analysis to study mutiple component oscillatory signals with time-varying frequency and amplitude and with time-varying non-sinusoidal oscillatory pattern. The concept of…

Data Analysis, Statistics and Probability · Physics 2016-11-23 Chen-Yun Lin , Li Su , Hau-tieng Wu

Accurate and early prediction of a disease allows to plan and improve a patient's quality of future life. During pandemic situations, the medical decision becomes a speed challenge in which physicians have to act fast to diagnose and…

Machine Learning · Computer Science 2022-06-09 Pierluigi Costanzo , Kalia Orphanou

Human emotions are complex and can be conveyed through nuanced touch gestures. Previous research has primarily focused on how humans recognize emotions through touch or on identifying key features of emotional expression for robots.…

Robotics · Computer Science 2025-08-13 Qiaoqiao Ren , Remko Proesmans , Yuanbo Hou , Francis wyffels , Tony Belpaeme

In surgical training for medical students, proficiency development relies on expert-led skill assessment, which is costly, time-limited, difficult to scale, and its expertise remains confined to institutions with available specialists.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Le Ma , Thiago Freitas dos Santos , Nadia Magnenat-Thalmann , Katarzyna Wac

The continuous wavelet transform (CWT) is a linear time-frequency representation and a powerful tool for analyzing non-stationary signals. The synchrosqueezing transform (SST) is a special type of the reassignment method which not only…

Signal Processing · Electrical Eng. & Systems 2019-09-27 Lin Li , Haiyan Cai , Qingtang Jiang

We apply the recently developed adaptive non-harmonic model based on the wave-shape function, as well as the time-frequency analysis tool called synchrosqueezing transform (SST) to model and analyze oscillatory physiological signals. To…