English
Related papers

Related papers: Real Time Elbow Angle Estimation Using Single RGB …

200 papers

This article describes novel approaches to quickly estimate planar surfaces from RGBD sensor data. The approach manipulates the standard algebraic fitting equations into a form that allows many of the needed regression variables to be…

Computer Vision and Pattern Recognition · Computer Science 2021-03-12 John Papadakis , Andrew R. Willis

Brain computer interface based assistive technology are currently promoted for motor rehabilitation of the neuromuscular ailed individuals. Recent studies indicate a high potential of utilising electroencephalography (EEG) to extract motor…

Signal Processing · Electrical Eng. & Systems 2019-03-26 Sutanu Bera , Rinku Roy , Debdeep Sikdar , Manjunatha Mahadevappa

We propose two minimal solutions to the problem of relative pose estimation of (i) a calibrated camera from four points in two views and (ii) a calibrated generalized camera from five points in two views. In both cases, the relative…

Computer Vision and Pattern Recognition · Computer Science 2019-02-01 Evgeniy Martyushev , Bo Li

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

In this paper, we propose an object-based camera pose estimation from a single RGB image and a pre-built map of objects, represented with ellipsoidal models. We show that contrary to point correspondences, the definition of a cost function…

Computer Vision and Pattern Recognition · Computer Science 2022-08-22 Matthieu Zins , Gilles Simon , Marie-Odile Berger

This paper presents a iterative optimization method, explicit shape regression, for face pose detection and localization. The regression function is learnt to find out the entire facial shape and minimize the alignment errors. A cascaded…

Computer Vision and Pattern Recognition · Computer Science 2017-09-12 Wenye He

Routine ergonomic assessment of postures and gestures in the workplace are mostly conducted by visual observations, either direct or based on video recordings. Nowadays, low-cost three-dimensional cameras like Microsoft Kinect open the…

Medical Physics · Physics 2018-11-26 F. Buisseret , F. Dierick , O. Hamzaoui , L. Jojczyk

We propose an unsupervised vision-based system to estimate the joint configurations of the robot arm from a sequence of RGB or RGB-D images without knowing the model a priori, and then adapt it to the task of category-independent…

Computer Vision and Pattern Recognition · Computer Science 2020-12-02 Qihao Liu , Weichao Qiu , Weiyao Wang , Gregory D. Hager , Alan L. Yuille

3D hand tracking methods based on monocular RGB videos are easily affected by motion blur, while event camera, a sensor with high temporal resolution and dynamic range, is naturally suitable for this task with sparse output and low power…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Chuanlin Lan , Ziyuan Yin , Arindam Basu , Rosa H. M. Chan

Given 2D point correspondences between an image pair, inferring the camera motion is a fundamental issue in the computer vision community. The existing works generally set out from the epipolar constraint and estimate the essential matrix,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Guangyang Zeng , Qingcheng Zeng , Xinghan Li , Biqiang Mu , Jiming Chen , Ling Shi , Junfeng Wu

Contactless hand pose estimation requires sensors that provide precise spatial information and low computational complexity for real-time processing. Unlike vision-based systems, radar offers lighting independence and direct motion…

Signal Processing · Electrical Eng. & Systems 2024-06-21 Johanna Bräunig , Vanessa Wirth , Marc Stamminger , Ingrid Ullmann , Martin Vossiek

We propose an approach for reconstructing free-moving object from a monocular RGB video. Most existing methods either assume scene prior, hand pose prior, object category pose prior, or rely on local optimization with multiple sequence…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Haixin Shi , Yinlin Hu , Daniel Koguciuk , Juan-Ting Lin , Mathieu Salzmann , David Ferstl

The six-degree-of-freedom (6-DOF) robotic arm has gained widespread application in human-coexisting environments. While previous research has predominantly focused on functional motion generation, the critical aspect of expressive motion in…

Robotics · Computer Science 2025-03-14 Jiansheng Li , Haotian Song , Jinni Zhou , Qiang Nie , Yi Cai

This paper presents an approach to estimating the continuous 6-DoF pose of an object from a single RGB image. The approach combines semantic keypoints predicted by a convolutional network (convnet) with a deformable shape model. Unlike…

Computer Vision and Pattern Recognition · Computer Science 2022-04-13 Karl Schmeckpeper , Philip R. Osteen , Yufu Wang , Georgios Pavlakos , Kenneth Chaney , Wyatt Jordan , Xiaowei Zhou , Konstantinos G. Derpanis , Kostas Daniilidis

The ability to predict motion in real time is fundamental to many maneuvering activities in animals, particularly those critical for survival, such as attack and escape responses. Given its significance, it is no surprise that motion…

Image and Video Processing · Electrical Eng. & Systems 2025-09-16 Subhradip Chakraborty , Shay Snyder , Md Abdullah-Al Kaiser , Maryam Parsa , Gregory Schwartz , Akhilesh R. Jaiswal

Purpose. Ability to locate and track ultrasound images in the 3D operating space is of great benefit for multiple clinical applications. This is often accomplished by tracking the probe using a precise but expensive optical or…

Image and Video Processing · Electrical Eng. & Systems 2022-05-11 Yitian Zhou , Gaétan Lelu , Boris Labbé , Guillaume Pasquier , Pierre Le Gargasson , Albert Murienne , Laurent Launay

Self-diagnosis and self-repair are some of the key challenges in deploying robotic platforms for long-term real-world applications. One of the issues that can occur to a robot is miscalibration of its sensors due to aging, environmental…

Robotics · Computer Science 2020-05-26 Andrei Cramariuc , Aleksandar Petrov , Rohit Suri , Mayank Mittal , Roland Siegwart , Cesar Cadena

We present a system for decoding hand movements using surface EMG signals. The interface provides real-time (25 Hz) reconstruction of finger joint angles across 20 degrees of freedom, designed for upper limb amputees. Our offline analysis…

The ability to track a user's arm pose could be valuable in a wide range of applications, including fitness, rehabilitation, augmented reality input, life logging, and context-aware assistants. Unfortunately, this capability is not readily…

Human-Computer Interaction · Computer Science 2025-09-04 Nathan DeVrio , Vimal Mollyn , Chris Harrison

Controlling hand exoskeletons for assisting impaired patients in grasping tasks is challenging because it is difficult to infer user intent. We hypothesize that majority of daily grasping tasks fall into a small set of categories or modes…

Robotics · Computer Science 2024-11-14 Jackson M. Steinkamp , Laura J. Brattain , Conor J. Walsh , Robert D. Howe