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Despite decades of research and development, myoelectric prosthetic hands lack functionality and are often rejected by users. This lack in functionality can be partially attributed to the widely accepted anthropomorphic design ideology in…

Robotics · Computer Science 2025-01-10 Digby Chappell , Barry Mulvey , Shehara Perera , Fernando Bello , Petar Kormushev , Nicolas Rojas

A transhumeral prosthesis restores missing anatomical segments below the shoulder, including the hand. Active prostheses utilize real-valued, continuous sensor data to recognize patient target poses, or goals, and proactively move the…

With large-scale adaption to biometric based applications, security and privacy of biometrics is utmost important especially when operating in unsupervised online mode. This work proposes a novel approach for generating new artificial…

Computer Vision and Pattern Recognition · Computer Science 2022-12-22 Harkeerat Kaur , Rishabh Shukla , Isao Echizen , Pritee Khanna

While computational modeling may help to develop new treatment options for hand and wrist injuries, at present, few models exist. The time and expertise required to develop and use these models is considerable. Moreover, most do not allow…

Quantitative Methods · Quantitative Biology 2025-05-27 Thor E. Andreassen , Taylor P. Trentadue , Andrew R. Thoreson , Kai-Nan An , Sanjeev Kakar , Kristin D. Zhao

One of the main causes of long-term prosthetic abandonment is the lack of ownership over the prosthesis, caused mainly by the absence of sensory information regarding the lost limb. One strategy to overcome this problem is to provide…

According to the World Health Organization (WHO), 30 million people are in need of prosthetic and orthotic devices. Some people are born with this limb loss, while others lose limbs due to diseases such as Cancer, diabetes, and work…

Signal Processing · Electrical Eng. & Systems 2023-08-09 Ahmed Naguib , Dina Reda Eldamak

Environment awareness is crucial for enhancing walking safety and stability of amputee wearing powered prosthesis when crossing uneven terrains such as stairs and obstacles. However, existing environmental perception systems for prosthesis…

Robotics · Computer Science 2024-04-30 Chuheng Chen , Xinxing Chen , Shucong Yin , Yuxuan Wang , Binxin Huang , Yuquan Leng , Chenglong Fu

The artificial hands for sociable robotics and prosthetics are expected to be touched by other people. Because the skin is the main interface during the contact, a need arises to duplicate humanlike characteristics for artificial skins for…

The issues of research required in the field of bio medical engineering and externally-powered prostheses are attracting attention of regulatory bodies and the common people in various parts of the globe. Today, 90 percent of prostheses…

Human-Computer Interaction · Computer Science 2014-01-22 Fahad Moazzam Dar , Umer Asgher , Daniyal Malik , Emmad Adil , Hassan Shahzad , Anees Ali

Recent advances in upper limb prostheses have led to significant improvements in the number of movements provided by the robotic limb. However, the method for controlling multiple degrees of freedom via user-generated signals remains…

While assistive robots have much potential to help older people with frailty-related needs, there are few in use. There is a gap between what is developed in laboratories and what would be viable in real-world contexts. Through a series of…

This study presents the design and the kinematic optimization of a novel, underactuated, linkage-based robotic hand exoskeleton to assist users in performing grasping tasks. The device has been designed to apply only normal forces to the…

Robotics · Computer Science 2020-05-11 Mine Sarac , Massimiliano Solazzi , Edoardo Sotgiu , Massimo Bergamasco , Antonio Frisoli

For lower arm amputees, prosthetic hands promise to restore most of physical interaction capabilities. This requires to accurately predict hand gestures capable of grabbing varying objects and execute them timely as intended by the user.…

Machine Learning · Computer Science 2021-01-15 Mehrshad Zandigohar , Mo Han , Deniz Erdogmus , Gunar Schirner

We present a highly functional and cost-effective prosthesis for transfemoral amputees that uses series elastic actuators. These actuators allow for accurate force control, low impedance and large dynamic range. The design involves one…

Robotics · Computer Science 2015-12-01 Elena Galbally , Frank Small , Ivan Zanco

The anthropomorphism of grasping process significantly benefits the experience and grasping efficiency of prosthetic hand wearers. Currently, prosthetic hands controlled by signals such as brain-computer interfaces (BCI) and…

Robotics · Computer Science 2024-12-11 Yansong Xu , Xiaohui Wang , Junlin Li , Xiaoqian Zhang , Feng Li , Qing Gao , Chenglong Fu , Yuquan Leng

Adapting upper-limb impedance (i.e., stiffness, damping, inertia) is essential for humans interacting with dynamic environments for executing grasping or manipulation tasks. On the other hand, control methods designed for state-of-the-art…

Robotics · Computer Science 2022-12-20 Laura Ferrante , Mohan Sridharan , Claudio Zito , Dario Farina

Limited data availability is a challenging problem in the latent fingerprint domain. Synthetically generated fingerprints are vital for training data-hungry neural network-based algorithms. Conventional methods distort clean fingerprints to…

Computer Vision and Pattern Recognition · Computer Science 2023-09-28 Amol S. Joshi , Ali Dabouei , Nasser Nasrabadi , Jeremy Dawson

The sophisticated sense of touch of the human hand significantly contributes to our ability to safely, efficiently, and dexterously manipulate arbitrary objects in our environment. Robotic and prosthetic devices lack refined, tactile…

Robotics · Computer Science 2021-08-02 Xiaying Wang , Fabian Geiger , Vlad Niculescu , Michele Magno , Luca Benini

This paper presents HandFi, which constructs hand skeletons with practical WiFi devices. Unlike previous WiFi hand sensing systems that primarily employ predefined gestures for pattern matching, by constructing the hand skeleton, HandFi can…

Human-Computer Interaction · Computer Science 2023-12-27 Sijie Ji , Xuanye Zhang , Yuanqing Zheng , Mo Li

Prosthetic hands can be used to support upper-body amputees. Myoelectric prosthesis, one of the externally-powered active prosthesis categories, requires proper processing units in addition to recording electrodes and instrumentation…