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Achieving robust multi-person 2D body landmark localization and pose estimation is essential for human behavior and interaction understanding as encountered for instance in HRI settings. Accurate methods have been proposed recently, but…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Angel Martínez-González , Michael Villamizar , Olivier Canévet , Jean-Marc Odobez

Unlike traditional robotic hands, underactuated compliant hands are challenging to model due to inherent uncertainties. Consequently, pose estimation of a grasped object is usually performed based on visual perception. However, visual…

Robotics · Computer Science 2024-01-18 Osher Azulay , Inbar Ben-David , Avishai Sintov

The attention mechanism provides a sequential prediction framework for learning spatial models with enhanced implicit temporal consistency. In this work, we show a systematic design (from 2D to 3D) for how conventional networks and other…

Computer Vision and Pattern Recognition · Computer Science 2021-03-05 Ruixu Liu , Ju Shen , He Wang , Chen Chen , Sen-ching Cheung , Vijayan K. Asari

Model-based approaches to 3D hand tracking have been shown to perform well in a wide range of scenarios. However, they require initialisation and cannot recover easily from tracking failures that occur due to fast hand motions. Data-driven…

Computer Vision and Pattern Recognition · Computer Science 2015-10-28 Georg Poier , Konstantinos Roditakis , Samuel Schulter , Damien Michel , Horst Bischof , Antonis A. Argyros

We present a method for human pose tracking that is based on learning spatiotemporal relationships among joints. Beyond generating the heatmap of a joint in a given frame, our system also learns to predict the offset of the joint from a…

Computer Vision and Pattern Recognition · Computer Science 2019-03-28 Xiao Sun , Chuankang Li , Stephen Lin

In this paper, we propose a novel structure-aware 3D hourglass network for hand pose estimation from a single depth image, which achieves state-of-the-art results on MSRA and NYU datasets. Compared to existing works that perform…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Fuyang Huang , Ailing Zeng , Minhao Liu , Jing Qin , Qiang Xu

Previous learning based hand pose estimation methods does not fully exploit the prior information in hand model geometry. Instead, they usually rely a separate model fitting step to generate valid hand poses. Such a post processing is…

Computer Vision and Pattern Recognition · Computer Science 2016-06-23 Xingyi Zhou , Qingfu Wan , Wei Zhang , Xiangyang Xue , Yichen Wei

While there has been a success in 2D human pose estimation with convolutional neural networks (CNNs), 3D human pose estimation has not been thoroughly studied. In this paper, we tackle the 3D human pose estimation task with end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2016-09-09 Sungheon Park , Jihye Hwang , Nojun Kwak

In the task of Object Recognition, there exists a dichotomy between the categorization of objects and estimating object pose, where the former necessitates a view-invariant representation, while the latter requires a representation capable…

Computer Vision and Pattern Recognition · Computer Science 2016-04-20 Mohamed Elhoseiny , Tarek El-Gaaly , Amr Bakry , Ahmed Elgammal

This paper describes a network that captures multimodal correlations over arbitrary timestamps. The proposed scheme operates as a complementary, extended network over a multimodal convolutional neural network (CNN). Spatial and temporal…

Computer Vision and Pattern Recognition · Computer Science 2019-12-17 Novanto Yudistira , Takio Kurita

Spatio-temporal action detection (STAD) aims to classify the actions present in a video and localize them in space and time. It has become a particularly active area of research in computer vision because of its explosively emerging…

Computer Vision and Pattern Recognition · Computer Science 2023-08-04 Peng Wang , Fanwei Zeng , Yuntao Qian

Although many studies suggest high performance hand detection methods, those methods are likely to be overfitting. Fortunately, the Convolution Neural Network (CNN) based approach provides a better way that is less sensitive to translation…

Computer Vision and Pattern Recognition · Computer Science 2018-09-28 Richard Adiguna , Yustinus Eko Soelistio

Camera localization aims to estimate 6 DoF camera poses from RGB images. Traditional methods detect and match interest points between a query image and a pre-built 3D model. Recent learning-based approaches encode scene structures into a…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Shitao Tang , Chengzhou Tang , Rui Huang , Siyu Zhu , Ping Tan

State-of-the-art single depth image-based 3D hand pose estimation methods are based on dense predictions, including voxel-to-voxel predictions, point-to-point regression, and pixel-wise estimations. Despite the good performance, those…

Computer Vision and Pattern Recognition · Computer Science 2020-07-13 Linpu Fang , Xingyan Liu , Li Liu , Hang Xu , Wenxiong Kang

For certain manipulation tasks, object pose estimation from head-mounted cameras may not be sufficiently accurate. This is at least in part due to our inability to perfectly calibrate the coordinate frames of today's high degree of freedom…

Robotics · Computer Science 2022-04-12 Patrick Lancaster , Boling Yang , Joshua R. Smith

Spatial intelligence is the ability of a machine to perceive, reason, and act in three dimensions within space and time. Recent advancements in large-scale auto-regressive models have demonstrated remarkable capabilities across various…

Computer Vision and Pattern Recognition · Computer Science 2024-10-25 Junyi Chen , Di Huang , Weicai Ye , Wanli Ouyang , Tong He

Automatically recognizing surgical gestures is a crucial step towards a thorough understanding of surgical skill. Possible areas of application include automatic skill assessment, intra-operative monitoring of critical surgical steps, and…

Computer Vision and Pattern Recognition · Computer Science 2019-07-29 Isabel Funke , Sebastian Bodenstedt , Florian Oehme , Felix von Bechtolsheim , Jürgen Weitz , Stefanie Speidel

Accurate spatial-temporal (ST) prediction for dynamic systems, such as urban mobility and weather patterns, is crucial but hindered by complex ST correlations and the challenge of concurrently modeling long-term trends with short-term…

Machine Learning · Computer Science 2025-07-15 Sina Ehsani , Fenglian Pan , Qingpei Hu , Jian Liu

In this paper, we present a method for real-time multi-person human pose estimation from video by utilizing convolutional neural networks. Our method is aimed for use case specific applications, where good accuracy is essential and…

Computer Vision and Pattern Recognition · Computer Science 2016-09-26 Marko Linna , Juho Kannala , Esa Rahtu

Thanks to the rapid development of CNNs and depth sensors, great progress has been made in 3D hand pose estimation. Nevertheless, it is still far from being solved for its cluttered circumstance and severe self-occlusion of hand. In this…

Robotics · Computer Science 2019-11-13 Weiguo Zhou , Xin Jiang , Chen Chen , Sijia Mei , Yun-Hui Liu