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In this paper, we study data-aided sensing (DAS) for a system consisting of a base station (BS) and a number of nodes, where the BS becomes a receiver that collects measurements or data sets from the nodes that are distributed over a cell.…

信息论 · 计算机科学 2019-12-09 Jinho Choi

Monocular 3D human pose estimation poses significant challenges due to the inherent depth ambiguities that arise during the reprojection process from 2D to 3D. Conventional approaches that rely on estimating an over-fit projection matrix…

计算机视觉与模式识别 · 计算机科学 2024-01-19 Junkun Jiang , Jie Chen

Recently, regression-based methods have dominated the field of 3D human pose and shape estimation. Despite their promising results, a common issue is the misalignment between predictions and image observations, often caused by minor joint…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Tom Wehrbein , Bodo Rosenhahn , Iain Matthews , Carsten Stoll

Monocular 3D human pose and shape estimation is an inherently ill-posed problem due to depth ambiguities, occlusions, and truncations. Recent probabilistic approaches learn a distribution over plausible 3D human meshes by maximizing the…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Tom Wehrbein , Marco Rudolph , Bodo Rosenhahn , Bastian Wandt

Most recent approaches to monocular 3D human pose estimation rely on Deep Learning. They typically involve regressing from an image to either 3D joint coordinates directly or 2D joint locations from which 3D coordinates are inferred. Both…

计算机视觉与模式识别 · 计算机科学 2017-04-11 Bugra Tekin , Pablo Márquez-Neila , Mathieu Salzmann , Pascal Fua

Body segmentation is an important step in many computer vision problems involving human images and one of the key components that affects the performance of all downstream tasks. Several prior works have approached this problem using a…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Julijan Jug , Ajda Lampe , Vitomir Štruc , Peter Peer

We present a self-supervised learning algorithm for 3D human pose estimation of a single person based on a multiple-view camera system and 2D body pose estimates for each view. To train our model, represented by a deep neural network, we…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Arij Bouazizi , Julian Wiederer , Ulrich Kressel , Vasileios Belagiannis

Object pose estimation plays a vital role in embodied AI and computer vision, enabling intelligent agents to comprehend and interact with their surroundings. Despite the practicality of category-level pose estimation, current approaches…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Jiyao Zhang , Mingdong Wu , Hao Dong

Estimating camera poses is a fundamental task for 3D reconstruction and remains challenging given sparsely sampled views (<10). In contrast to existing approaches that pursue top-down prediction of global parametrizations of camera…

计算机视觉与模式识别 · 计算机科学 2024-04-05 Jason Y. Zhang , Amy Lin , Moneish Kumar , Tzu-Hsuan Yang , Deva Ramanan , Shubham Tulsiani

3D human pose estimation is frequently seen as the task of estimating 3D poses relative to the root body joint. Alternatively, we propose a 3D human pose estimation method in camera coordinates, which allows effective combination of 2D…

计算机视觉与模式识别 · 计算机科学 2021-08-23 Diogo C Luvizon , Hedi Tabia , David Picard

Estimating 3D human motion from an egocentric video sequence plays a critical role in human behavior understanding and has various applications in VR/AR. However, naively learning a mapping between egocentric videos and human motions is…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Jiaman Li , C. Karen Liu , Jiajun Wu

Current state-of-the-art methods cast monocular 3D human pose estimation as a learning problem by training neural networks on large data sets of images and corresponding skeleton poses. In contrast, we propose an approach that can exploit…

计算机视觉与模式识别 · 计算机科学 2020-10-14 Simon Jenni , Paolo Favaro

The recent advances in 3D Gaussian Splatting (3DGS) show promising results on the novel view synthesis (NVS) task. With its superior rendering performance and high-fidelity rendering quality, 3DGS is excelling at its previous NeRF…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Yu Chen , Gim Hee Lee

We address the challenging problem of dense dynamic scene reconstruction and camera pose estimation from multiple freely moving cameras -- a setting that arises naturally when multiple observers capture a shared event. Prior approaches…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Shuo Sun , Unal Artan , Malcolm Mielle , Achim J. Lilienthaland , Martin Magnusson

Distributed acoustic sensing (DAS) is a relatively new technology for recording stress wave propagation, with promising applications in both engineering and geophysics. DAS's ability to simultaneously collect high spatial resolution data…

地球物理 · 物理学 2022-10-27 Michael B. S. Yust , Brady R. Cox , Joseph P. Vantassel , Peter G. Hubbard

We consider a single-query 6-DoF camera pose estimation with reference images and a point cloud, i.e. the problem of estimating the position and orientation of a camera by using reference images and a point cloud. In this work, we perform a…

计算机视觉与模式识别 · 计算机科学 2018-08-20 Junsheng Fu , Said Pertuz , Jiri Matas , Joni-Kristian Kämäräinen

The Linear Parameter Varying Dynamical System (LPV-DS) is an effective approach that learns stable, time-invariant motion policies using statistical modeling and semi-definite optimization to encode complex motions for reactive robot…

机器人学 · 计算机科学 2024-03-26 Sunan Sun , Haihui Gao , Tianyu Li , Nadia Figueroa

We propose a new learning-based method for estimating 2D human pose from a single image, using Dual-Source Deep Convolutional Neural Networks (DS-CNN). Recently, many methods have been developed to estimate human pose by using pose priors…

计算机视觉与模式识别 · 计算机科学 2015-04-28 Xiaochuan Fan , Kang Zheng , Yuewei Lin , Song Wang

In this paper, we propose a method for coarse camera pose computation which is robust to viewing conditions and does not require a detailed model of the scene. This method meets the growing need of easy deployment of robotics or augmented…

计算机视觉与模式识别 · 计算机科学 2021-05-26 Matthieu Zins , Gilles Simon , Marie-Odile Berger

Continuous diffusion models have demonstrated their effectiveness in addressing the inherent uncertainty and indeterminacy in monocular 3D human pose estimation (HPE). Despite their strengths, the need for large search spaces and the…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Weiquan Wang , Jun Xiao , Chunping Wang , Wei Liu , Zhao Wang , Long Chen