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This work addresses the challenging problem of unconstrained 3D hand pose estimation using monocular RGB images. Most of the existing approaches assume some prior knowledge of hand (such as hand locations and side information) is available…

计算机视觉与模式识别 · 计算机科学 2019-12-02 Sanjeev Sharma , Shaoli Huang , Dacheng Tao

Hand pose estimation has matured rapidly in recent years. The introduction of commodity depth sensors and a multitude of practical applications have spurred new advances. We provide an extensive analysis of the state-of-the-art, focusing on…

计算机视觉与模式识别 · 计算机科学 2015-05-08 James Steven Supancic , Gregory Rogez , Yi Yang , Jamie Shotton , Deva Ramanan

We present HARP (HAnd Reconstruction and Personalization), a personalized hand avatar creation approach that takes a short monocular RGB video of a human hand as input and reconstructs a faithful hand avatar exhibiting a high-fidelity…

计算机视觉与模式识别 · 计算机科学 2023-07-06 Korrawe Karunratanakul , Sergey Prokudin , Otmar Hilliges , Siyu Tang

Multi-view egocentric hand tracking is a challenging task and plays a critical role in VR interaction. In this report, we present a method that uses multi-view input images and camera extrinsic parameters to estimate both hand shape and…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Minqiang Zou , Zhi Lv , Riqiang Jin , Tian Zhan , Mochen Yu , Yao Tang , Jiajun Liang

3D hand pose estimation methods have made significant progress recently. However, the estimation accuracy is often far from sufficient for specific real-world applications, and thus there is significant room for improvement. This paper…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Mohammad Rezaei , Razieh Rastgoo , Vassilis Athitsos

Accurate depth estimation remains an open problem for robotic manipulation; even state of the art techniques including structured light and LiDAR sensors fail on reflective or transparent surfaces. We address this problem by training a…

计算机视觉与模式识别 · 计算机科学 2020-06-17 Ben Goodrich , Alex Kuefler , William D. Richards

Reconstructing 3D hand meshes from monocular RGB images has attracted increasing amount of attention due to its enormous potential applications in the field of AR/VR. Most state-of-the-art methods attempt to tackle this task in an anonymous…

计算机视觉与模式识别 · 计算机科学 2022-09-23 Deying Kong , Linguang Zhang , Liangjian Chen , Haoyu Ma , Xiangyi Yan , Shanlin Sun , Xingwei Liu , Kun Han , Xiaohui Xie

Hand pose estimation from monocular depth images has been an important and challenging problem in the Computer Vision community. In this paper, we present a novel approach to estimate 3D hand joint locations from 2D depth images. Unlike…

计算机视觉与模式识别 · 计算机科学 2020-02-21 Rohan Lekhwani , Bhupendra Singh

Articulated hand pose and shape estimation is an important problem for vision-based applications such as augmented reality and animation. In contrast to the existing methods which optimize only for joint positions, we propose a fully…

计算机视觉与模式识别 · 计算机科学 2018-08-29 Jameel Malik , Ahmed Elhayek , Fabrizio Nunnari , Kiran Varanasi , Kiarash Tamaddon , Alexis Heloir , Didier Stricker

Sparse depth measurements are widely available in many applications such as augmented reality, visual inertial odometry and robots equipped with low cost depth sensors. Although such sparse depth samples work well for certain applications…

计算机视觉与模式识别 · 计算机科学 2021-12-13 Bing Zhou , Matias Aiskovich , Sinem Guven

We present a solution to egocentric 3D body pose estimation from monocular images captured from downward looking fish-eye cameras installed on the rim of a head mounted VR device. This unusual viewpoint leads to images with unique visual…

计算机视觉与模式识别 · 计算机科学 2020-11-04 Denis Tome , Thiemo Alldieck , Patrick Peluse , Gerard Pons-Moll , Lourdes Agapito , Hernan Badino , Fernando De la Torre

Despite their potential, markerless hand tracking technologies are not yet applied in practice to the diagnosis or monitoring of the activity in inflammatory musculoskeletal diseases. One reason is that the focus of most methods lies in the…

Hand pose estimation from egocentric video has broad implications across various domains, including human-computer interaction, assistive technologies, activity recognition, and robotics, making it a topic of significant research interest.…

计算机视觉与模式识别 · 计算机科学 2024-09-12 Olga Taran , Damian M. Manzone , Jose Zariffa

Transparent objects are common in daily life, while their optical properties pose challenges for RGB-D cameras to capture accurate depth information. This issue is further amplified when these objects are hand-held, as hand occlusions…

机器人学 · 计算机科学 2024-09-17 Ran Yu , Haixin Yu , Shoujie Li , Huang Yan , Ziwu Song , Wenbo Ding

Accurately estimating the 3D pose of the camera wearer in egocentric video sequences is crucial to modeling human behavior in virtual and augmented reality applications. The task presents unique challenges due to the limited visibility of…

计算机视觉与模式识别 · 计算机科学 2024-11-08 Luca Scofano , Alessio Sampieri , Edoardo De Matteis , Indro Spinelli , Fabio Galasso

Knowing the exact 3D location of workers and robots in a collaborative environment enables several real applications, such as the detection of unsafe situations or the study of mutual interactions for statistical and social purposes. In…

计算机视觉与模式识别 · 计算机科学 2022-07-07 Alessandro Simoni , Stefano Pini , Guido Borghi , Roberto Vezzani

Purpose: Accurate 3D hand pose estimation supports surgical applications such as skill assessment, robot-assisted interventions, and geometry-aware workflow analysis. However, surgical environments pose severe challenges, including intense…

We tackle the challenging task of estimating global 3D joint locations for both hands via only monocular RGB input images. We propose a novel multi-stage convolutional neural network based pipeline that accurately segments and locates the…

计算机视觉与模式识别 · 计算机科学 2020-08-26 Fanqing Lin , Connor Wilhelm , Tony Martinez

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…

信号处理 · 电气工程与系统科学 2024-06-21 Johanna Bräunig , Vanessa Wirth , Marc Stamminger , Ingrid Ullmann , Martin Vossiek

We study how well different types of approaches generalise in the task of 3D hand pose estimation under single hand scenarios and hand-object interaction. We show that the accuracy of state-of-the-art methods can drop, and that they fail…