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People often interact with their surroundings by applying pressure with their hands. While hand pressure can be measured by placing pressure sensors between the hand and the environment, doing so can alter contact mechanics, interfere with…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Patrick Grady , Chengcheng Tang , Samarth Brahmbhatt , Christopher D. Twigg , Chengde Wan , James Hays , Charles C. Kemp

3D hand pose estimation based on RGB images has been studied for a long time. Most of the studies, however, have performed frame-by-frame estimation based on independent static images. In this paper, we attempt to not only consider the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-13 John Yang , Hyung Jin Chang , Seungeui Lee , Nojun Kwak

Classifying limb movements using brain activity is an important task in Brain-computer Interfaces (BCI) that has been successfully used in multiple application domains, ranging from human-computer interaction to medical and biomedical…

Machine Learning · Computer Science 2019-12-04 Guangyi Zhang , Vandad Davoodnia , Alireza Sepas-Moghaddam , Yaoxue Zhang , Ali Etemad

In this paper, we present a method for simultaneous articulation model estimation and segmentation of an articulated object in RGB-D images using human hand motion. Our method uses the hand motion in the processes of the initial…

Robotics · Computer Science 2020-05-11 Richard Sahala Hartanto , Ryoichi Ishikawa , Menandro Roxas , Takeshi Oishi

Electrodermal activity (EDA) is considered a standard marker of sympathetic activity. However, traditional EDA measurement requires electrodes in steady contact with the skin. Can sympathetic arousal be measured using only an optical…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Bjoern Braun , Daniel McDuff , Tadas Baltrusaitis , Christian Holz

Stroke patients have symptoms of cerebral functional disturbance that could aggressively impair patient's physical mobility, such as freezing of hand movements. Although rehabilitation training from external devices is beneficial for hand…

Signal Processing · Electrical Eng. & Systems 2020-06-30 Xiaotong Gu , Zehong Cao

3D hand pose estimation from monocular videos is a long-standing and challenging problem, which is now seeing a strong upturn. In this work, we address it for the first time using a single event camera, i.e., an asynchronous vision sensor…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Viktor Rudnev , Vladislav Golyanik , Jiayi Wang , Hans-Peter Seidel , Franziska Mueller , Mohamed Elgharib , Christian Theobalt

Hand keypoints detection and pose estimation has numerous applications in computer vision, but it is still an unsolved problem in many aspects. An application of hand keypoints detection is in performing cognitive assessments of a subject…

Computer Vision and Pattern Recognition · Computer Science 2018-04-05 Srujana Gattupalli , Ashwin Ramesh Babu , James Robert Brady , Fillia Makedon , Vassilis Athitsos

We introduce a framework for dynamic evaluation of the fingers movements: flexion, extension, abduction and adduction. This framework estimates angle measurements from joints computed by a hand pose estimation algorithm using a depth sensor…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Luciano Walenty Xavier Cejnog , Roberto Marcondes Cesar , Teofilo Emidio de Campos , Valeria Meirelles Carril Elui

This work is about the extraction of the motion of fingers, in their three articulations, of a keyboard player from a video sequence. The relevance of the problem involves several aspects, in fact, the extraction of the movements of the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-23 Marco Costanzo

Background: Egocentric video has recently emerged as a potential solution for monitoring hand function in individuals living with tetraplegia in the community, especially for its ability to detect functional use in the home environment.…

Image and Video Processing · Electrical Eng. & Systems 2023-11-22 Andrea Bandini , Mehdy Dousty , Sander L. Hitzig , B. Catharine Craven , Sukhvinder Kalsi-Ryan , José Zariffa

Ensuring the safety and well-being of elderly and vulnerable populations in assisted living environments is a critical concern. Computer vision presents an innovative and powerful approach to predicting health risks through video…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Yixuan Wang , Paul Stynes , Pramod Pathak , Cristina Muntean

This paper presents a method for indexing human ac- tivities in videos captured from a wearable camera being worn by patients, for studies of progression of the dementia diseases. Our method aims to produce indexes to facilitate the…

Hands are the central means by which humans manipulate their world and being able to reliably extract hand state information from Internet videos of humans engaged in their hands has the potential to pave the way to systems that can learn…

Computer Vision and Pattern Recognition · Computer Science 2020-06-12 Dandan Shan , Jiaqi Geng , Michelle Shu , David F. Fouhey

The creation of unique control methods for a hand prosthesis is still a problem that has to be addressed. The best choice of a human-machine interface (HMI) that should be used to enable natural control is still a challenge. Surface…

Camera-based physiological signal estimation provides a non-contact and convenient means to monitor Heart Rate (HR). However, the presence of vital signals in facial videos raises significant privacy concerns, as they can reveal sensitive…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Tianwen Zhou , Akshay Paruchuri , Josef Spjut , Kaan Akşit

Parkinson's disease is a neuro-degenerative disorder affecting tens of millions of people worldwide. Lately, there has been considerable interest in systems for at-home monitoring of patients, using wearable devices which contain inertial…

Applications · Statistics 2017-02-08 Avishai Wagner , Naama Fixler , Yehezkel S. Resheff

The aim of this work was to identify six basic movements of the hand using two systems. Being an interdisciplinary topic, there has been conducted studying in the anatomy of forearm muscles, biosignals, the method of electromyography (EMG)…

Signal Processing · Electrical Eng. & Systems 2019-06-20 Christos Sapsanis

Ultrasound based hand movement estimation is a crucial area of research with applications in human-machine interaction. Forearm ultrasound offers detailed information about muscle morphology changes during hand movement which can be used to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Keshav Bimbraw , Ankit Talele , Haichong K. Zhang

In this paper, we introduce a new benchmark dataset named IPN Hand with sufficient size, variety, and real-world elements able to train and evaluate deep neural networks. This dataset contains more than 4,000 gesture samples and 800,000 RGB…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Gibran Benitez-Garcia , Jesus Olivares-Mercado , Gabriel Sanchez-Perez , Keiji Yanai