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Hand gesture recognition (HGR) is a fundamental technology in human computer interaction (HCI).In particular, HGR based on Doppler radar signals is suited for in-vehicle interfaces and robotic systems, necessitating lightweight and…

Machine Learning · Computer Science 2026-02-05 Towa Sano , Gouhei Tanaka

In modern society, people should not be identified based on their disability, rather, it is environments that can disable people with impairments. Improvements to automatic Sign Language Recognition (SLR) will lead to more enabling…

Computer Vision and Pattern Recognition · Computer Science 2022-02-23 Jordan J. Bird

In this paper, we demonstrate the ability to recognize hand gestures in a non-contact, wireless fashion using only incoherent light signals reflected from a human subject. Fundamentally distinguished from radar, lidar and camera-based…

Signal Processing · Electrical Eng. & Systems 2020-07-17 Li Yu , Hisham Abuella , Md Zobaer Islam , John F. O'Hara , Christopher Crick , Sabit Ekin

Gesture recognition based on surface electromyographic signal (sEMG) is one of the most used methods. The traditional manual feature extraction can only extract some low-level signal features, this causes poor classifier performance and low…

Computer Vision and Pattern Recognition · Computer Science 2024-10-25 Mingjin Zhang , Jiahao Wang , Jianming Wang , Qi Wang

Hand gesture recognition has long been a hot topic in human computer interaction. Traditional camera-based hand gesture recognition systems cannot work properly under dark circumstances. In this paper, a Doppler Radar based hand gesture…

Computer Vision and Pattern Recognition · Computer Science 2017-11-23 Jiajun Zhang , Jinkun Tao , Jiangtao Huangfu , Zhiguo Shi

Hand Gesture Recognition (HGR) is of major importance for Human-Computer Interaction (HCI) applications. In this paper, we present a new hand gesture recognition approach called GNG-IEMD. In this approach, first, we use a Growing Neural Gas…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Narges Mirehi , Maryam Tahmasbi

Hand detection is essential for many hand related tasks, e.g. parsing hand pose, understanding gesture, which are extremely useful for robotics and human-computer interaction. However, hand detection in uncontrolled environments is…

Computer Vision and Pattern Recognition · Computer Science 2016-12-09 Xiaoming Deng , Ye Yuan , Yinda Zhang , Ping Tan , Liang Chang , Shuo Yang , Hongan Wang

Gestures are an integral part of our daily interactions with the environment. Hand gesture recognition (HGR) is the process of interpreting human intent through various input modalities, such as visual data (images and videos) and…

Human-Computer Interaction · Computer Science 2025-12-10 Soroush Baghernezhad , Elaheh Mohammadreza , Vinicius Prado da Fonseca , Ting Zou , Xianta Jiang

This paper presents a spectral correlation-based method (SpectGRASP) for robotic grasping of arbitrarily shaped, unknown objects. Given a point cloud of an object, SpectGRASP extracts contact points on the object's surface matching the hand…

Robotics · Computer Science 2021-07-28 Maxime Adjigble , Cristiana de Farias , Rustam Stolkin , Naresh Marturi

Artificial intelligence (AI) has made significant advances in recent years and opened up new possibilities in exploring applications in various fields such as biomedical, robotics, education, industry, etc. Among these fields, human hand…

Signal Processing · Electrical Eng. & Systems 2024-05-17 Naveen Gehlot , Ashutosh Jena , Rajesh Kumar , Mahipal Bukya

Surface Electromyography (sEMG/EMG) is to record muscles' electrical activity from a restricted area of the skin by using electrodes. The sEMG-based gesture recognition is extremely sensitive of inter-session and inter-subject variances. We…

Machine Learning · Computer Science 2019-12-02 István Ketykó , Ferenc Kovács , Krisztián Zsolt Varga

This paper presents a hand shape classification approach employing multiscale template matching. The integration of background subtraction is utilized to derive a binary image of the hand object, enabling the extraction of key features such…

Computer Vision and Pattern Recognition · Computer Science 2024-02-16 Ketan Suhaas Saichandran

In this paper, a real-time signal processing frame-work based on a 60 GHz frequency-modulated continuous wave (FMCW) radar system to recognize gestures is proposed. In order to improve the robustness of the radar-based gesture recognition…

Signal Processing · Electrical Eng. & Systems 2020-05-21 Yuliang Sun , Tai Fei , Xibo Li , Alexander Warnecke , Ernst Warsitz , Nils Pohl

Hand Gesture Recognition (HGR) enables intuitive human-computer interactions in various real-world contexts. However, existing frameworks often struggle to meet the real-time requirements essential for practical HGR applications. This study…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Oluwaleke Yusuf , Maki Habib , Mohamed Moustafa

In this paper, we investigate novel data collection and training techniques towards improving classification accuracy of non-moving (static) hand gestures using a convolutional neural network (CNN) and frequency-modulated-continuous-wave…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 Josiah Smith , Shiva Thiagarajan , Richard Willis , Yiorgos Makris , Murat Torlak

When humans socially interact with another agent (e.g., human, pet, or robot) through touch, they do so by applying varying amounts of force with different directions, locations, contact areas, and durations. While previous work on touch…

The dynamic hand gesture recognition task has seen studies on various unimodal and multimodal methods. Previously, researchers have explored depth and 2D-skeleton-based multimodal fusion CRNNs (Convolutional Recurrent Neural Networks) but…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Hasan Mahmud , Mashrur M. Morshed , Md. Kamrul Hasan

Current electromyography (EMG) pattern recognition (PR) models have been shown to generalize poorly in unconstrained environments, setting back their adoption in applications such as hand gesture control. This problem is often due to…

We present an on-device real-time hand gesture recognition (HGR) system, which detects a set of predefined static gestures from a single RGB camera. The system consists of two parts: a hand skeleton tracker and a gesture classifier. We use…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 George Sung , Kanstantsin Sokal , Esha Uboweja , Valentin Bazarevsky , Jonathan Baccash , Eduard Gabriel Bazavan , Chuo-Ling Chang , Matthias Grundmann

Hand gesture recognition using multichannel surface electromyography (sEMG) is challenging due to unstable predictions and inefficient time-varying feature enhancement. To overcome the lack of signal based time-varying feature problems, we…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Jungpil Shin , Abu Saleh Musa Miah , Sota Konnai , Shu Hoshitaka , Pankoo Kim