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The problem of hand shape classification is challenging since a hand is characterized by a large number of degrees of freedom. Numerous shape descriptors have been proposed and applied over the years to estimate and classify hand poses in…

Computer Vision and Pattern Recognition · Computer Science 2014-06-04 Jakub Nalepa , Michal Kawulok

In-hand object reorientation has been a challenging problem in robotics due to high dimensional actuation space and the frequent change in contact state between the fingers and the objects. We present a simple model-free framework that can…

Robotics · Computer Science 2021-11-05 Tao Chen , Jie Xu , Pulkit Agrawal

Time-distance helioseismology is a set of powerful tools to study features below the Sun's surface. Inverse methods are needed to interpret time-distance measurements, with many examples in the literature. However, techniques that utilize a…

Solar and Stellar Astrophysics · Physics 2020-10-14 Jason Jackiewicz

Hand gesture recognition possesses extensive applications in virtual reality, sign language recognition, and computer games. The direct interface of hand gestures provides us a new way for communicating with the virtual environment. In this…

Computer Vision and Pattern Recognition · Computer Science 2014-08-11 Reza Azad , Babak Azad , Iman Tavakoli Kazerooni

In this paper we study the problem of improving human hand pose sensing device performance by exploiting the knowledge on how humans most frequently use their hands in grasping tasks. In a companion paper we studied the problem of…

Robotics · Computer Science 2012-06-05 Matteo Bianchi , Paolo Salaris , Antonio Bicchi

Suspensions of rodlike objects in a liquid are encountered in many areas of science and technology and the need to orientate them is extremely important to enhance or inhibit certain chemical reactions between them, other chemicals or with…

Fluid Dynamics · Physics 2009-11-19 C. Tannous

An understanding of pedestrian dynamics is indispensable for numerous urban applications including the design of transportation networks and planing for business development. Pedestrian counting often requires utilizing manual or technical…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Eric K. Tokuda , Yitzchak Lockerman , Gabriel B. A. Ferreira , Ethan Sorrelgreen , David Boyle , Roberto M. Cesar-Jr. , Claudio T. Silva

Density ratio estimation in high dimensions can be reframed as integrating a certain quantity, the time score, over probability paths which interpolate between the two densities. In practice, the time score has to be estimated based on…

Machine Learning · Computer Science 2025-06-13 Hanlin Yu , Arto Klami , Aapo Hyvärinen , Anna Korba , Omar Chehab

Accurate in-hand pose estimation is crucial for robotic object manipulation, but visual occlusion remains a major challenge for vision-based approaches. This paper presents an approach to robotic in-hand object pose estimation, combining…

Robotics · Computer Science 2025-06-13 Felix Nonnengießer , Alap Kshirsagar , Boris Belousov , Jan Peters

The human ability to detect and segment moving objects works in the presence of multiple objects, complex background geometry, motion of the observer, and even camouflage. In addition to all of this, the ability to detect motion is nearly…

Computer Vision and Pattern Recognition · Computer Science 2016-04-04 Pia Bideau , Erik Learned-Miller

The human hand possesses distinctive features which can reveal gender information. In addition, the hand is considered one of the primary biometric traits used to identify a person. In this work, we propose a large dataset of human hand…

Computer Vision and Pattern Recognition · Computer Science 2018-09-18 Mahmoud Afifi

We develop a system for modeling hand-object interactions in 3D from RGB images that show a hand which is holding a novel object from a known category. We design a Convolutional Neural Network (CNN) for Hand-held Object Pose and Shape…

Computer Vision and Pattern Recognition · Computer Science 2019-11-12 Mia Kokic , Danica Kragic , Jeannette Bohg

Accurate estimation of the relative pose between an object and a robot hand is critical for many manipulation tasks. However, most of the existing object-in-hand pose datasets use two-finger grippers and also assume that the object remains…

Robotics · Computer Science 2023-04-11 Yuyang Tu , Junnan Jiang , Shuang Li , Norman Hendrich , Miao Li , Jianwei Zhang

Humans exhibit outstanding learning, planning and adaptation capabilities while performing different types of industrial tasks. Given some knowledge about the task requirements, humans are able to plan their limbs motion in anticipation of…

Robotics · Computer Science 2020-08-06 Noémie Jaquier , Leonel Rozo , Sylvain Calinon

Surgeons' technical skill directly impacts patient outcomes. To date, the angular motion of the instruments has been largely overlooked in objective skill evaluation. To fill this gap, we have developed metrics for surgical skill evaluation…

Robotics · Computer Science 2021-05-11 Yarden Sharon , Anthony M. Jarc , Thomas S. Lendvay , Ilana Nisky

3D Hand pose estimation from a single depth image is an essential topic in computer vision and human-computer interaction. Although the rising of deep learning method boosts the accuracy a lot, the problem is still hard to solve due to the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-01 Xingyuan Zhang , Fuhai Zhang

Gesture recognition enables a natural extension of the way we currently interact with devices. Commercially available gesture recognition systems are usually pre-trained and offer no option for customization by the user. In order to improve…

Signal Processing · Electrical Eng. & Systems 2020-02-18 Anouk van Diepen , Marco Cox , Bert de Vries

In this paper we propose an easy algorithm for real time hand finger counting involving one or more than one hand. Hand finger counting is a simple medium for Human-Computer Interface which can prove to be a convenient input method for…

Human-Computer Interaction · Computer Science 2014-04-11 Sumit Kumar Dey , Shubham Anand

We challenged to get data about hand movement in pen spinning using MediaPipe Hands and OpenCV. The purpose is to create a system that can be used to objectively evaluate the performance of pen spinning competitions. Evaluation of…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Tung-Lin Wu , Taishi Senda

Hand action recognition is essential. Communication, human-robot interactions, and gesture control are dependent on it. Skeleton-based action recognition traditionally includes hands, which belong to the classes which remain challenging to…

Computer Vision and Pattern Recognition · Computer Science 2025-02-05 Katharina Prasse , Steffen Jung , Yuxuan Zhou , Margret Keuper
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