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We propose a Dynamic Graph-Based Spatial-Temporal Attention (DG-STA) method for hand gesture recognition. The key idea is to first construct a fully-connected graph from a hand skeleton, where the node features and edges are then…

Computer Vision and Pattern Recognition · Computer Science 2019-07-23 Yuxiao Chen , Long Zhao , Xi Peng , Jianbo Yuan , Dimitris N. Metaxas

Human pose estimation (HPE) is one of the most challenging tasks in computer vision as humans are deformable by nature and thus their pose has so much variance. HPE aims to correctly identify the main joint locations of a single person or…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Ahmed Elhagry , Mohamed Saeed , Musie Araia

Estimating 3D hand meshes from RGB images robustly is a highly desirable task, made challenging due to the numerous degrees of freedom, and issues such as self similarity and occlusions. Previous methods generally either use parametric 3D…

Computer Vision and Pattern Recognition · Computer Science 2022-02-02 Michael Seeber , Roi Poranne , Marc Polleyfeys , Martin R. Oswald

We propose to leverage recent advances in reliable 2D pose estimation with Convolutional Neural Networks (CNN) to estimate the 3D pose of people from depth images in multi-person Human-Robot Interaction (HRI) scenarios. Our method is based…

Computer Vision and Pattern Recognition · Computer Science 2020-11-11 Angel Martínez-González , Michael Villamizar , Olivier Canévet , Jean-Marc Odobez

3D hand pose estimation from single depth image is an important and challenging problem for human-computer interaction. Recently deep convolutional networks (ConvNet) with sophisticated design have been employed to address it, but the…

Computer Vision and Pattern Recognition · Computer Science 2017-07-25 Hengkai Guo , Guijin Wang , Xinghao Chen , Cairong Zhang

We present HUP-3D, a 3D multi-view multi-modal synthetic dataset for hand-ultrasound (US) probe pose estimation in the context of obstetric ultrasound. Egocentric markerless 3D joint pose estimation has potential applications in mixed…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Manuel Birlo , Razvan Caramalau , Philip J. "Eddie" Edwards , Brian Dromey , Matthew J. Clarkson , Danail Stoyanov

Imitation learning for robotic manipulation has progressed from 2D image policies to 3D representations that explicitly encode geometry. Yet purely geometric policies often lack explicit part-level semantics, which are critical for…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Chongyang Xu , Shen Cheng , Haipeng Li , Haoqiang Fan , Ziliang Feng , Shuaicheng Liu

Robots operating in open, unstructured real-world environments must rely on onboard visual perception while autonomously moving across different locations. Continuous changes in onboard camera viewpoints cause significant visual scale…

Robotics · Computer Science 2026-05-04 Xianbo Cai , Hideyuki Ichiwara , Hyogo Hiruma , Masaki Yoshikawa , Hiroshi Ito , Tetsuya Ogata

Training Artificial Neural Networks (ANNs) with Stochastic Gradient Descent (SGD) frequently encounters difficulties, including substantial computing expense and the risk of converging to local optima, attributable to its dependence on…

Neural and Evolutionary Computing · Computer Science 2025-06-23 Gautam Siddharth Kashyap , Md Tabrez Nafis , Samar Wazir

Hand gestures are a primary output of the human motor system, yet the decoding of their neuromuscular signatures remains a bottleneck for basic neuroscience and assistive technologies such as prosthetics. Traditional human-machine interface…

Machine Learning · Computer Science 2025-06-23 Eion Tyacke , Kunal Gupta , Jay Patel , Rui Li

Learning-based methods have dominated the 3D human pose estimation (HPE) tasks with significantly better performance in most benchmarks than traditional optimization-based methods. Nonetheless, 3D HPE in the wild is still the biggest…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Zhongyu Jiang , Zhuoran Zhou , Lei Li , Wenhao Chai , Cheng-Yen Yang , Jenq-Neng Hwang

3D hand shape and pose estimation from a single depth map is a new and challenging computer vision problem with many applications. The state-of-the-art methods directly regress 3D hand meshes from 2D depth images via 2D convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Jameel Malik , Ibrahim Abdelaziz , Ahmed Elhayek , Soshi Shimada , Sk Aziz Ali , Vladislav Golyanik , Christian Theobalt , Didier Stricker

Many manipulation tasks, such as placement or within-hand manipulation, require the object's pose relative to a robot hand. The task is difficult when the hand significantly occludes the object. It is especially hard for adaptive hands, for…

Robotics · Computer Science 2021-12-20 Bowen Wen , Chaitanya Mitash , Sruthi Soorian , Andrew Kimmel , Avishai Sintov , Kostas E. Bekris

The goal of 2D human pose estimation (HPE) is to localize anatomical landmarks, given an image of a person in a pose. SOTA techniques make use of thousands of labeled figures (finetuning transformers or training deep CNNs), acquired using…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Nobline Yoo , Olga Russakovsky

Convolutional Neural Networks (ConvNets or CNNs) have been candidly deployed in the scope of computer vision and related fields. Nevertheless, the dynamics of training of these neural networks lie still elusive: it is hard and…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Nguyen Huu Phong , Augusto Santos , Bernardete Ribeiro

Robotic manipulation, in particular in-hand object manipulation, often requires an accurate estimate of the object's 6D pose. To improve the accuracy of the estimated pose, state-of-the-art approaches in 6D object pose estimation use…

Robotics · Computer Science 2023-06-29 Alireza Rezazadeh , Snehal Dikhale , Soshi Iba , Nawid Jamali

Previous works on Human Pose and Shape Estimation (HPSE) from RGB images can be broadly categorized into two main groups: parametric and non-parametric approaches. Parametric techniques leverage a low-dimensional statistical body model for…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Guénolé Fiche , Simon Leglaive , Xavier Alameda-Pineda , Antonio Agudo , Francesc Moreno-Noguer

We propose a method for 6DoF pose estimation of rigid objects that uses a state-of-the-art deep learning based instance detector to segment object instances in an RGB image, followed by a point-pair based voting method to recover the…

Computer Vision and Pattern Recognition · Computer Science 2020-11-12 Rebecca König , Bertram Drost

Hand-object pose estimation (HOPE) aims to jointly detect the poses of both a hand and of a held object. In this paper, we propose a lightweight model called HOPE-Net which jointly estimates hand and object pose in 2D and 3D in real-time.…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Bardia Doosti , Shujon Naha , Majid Mirbagheri , David Crandall

In this paper we introduce a novel method to estimate the head pose of people in single images starting from a small set of head keypoints. To this purpose, we propose a regression model that exploits keypoints computed automatically by 2D…

Computer Vision and Pattern Recognition · Computer Science 2021-11-04 Giorgio Cantarini , Federico Figari Tomenotti , Nicoletta Noceti , Francesca Odone