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Monocular 3D pose estimators produce camera-centered skeletons, creating view-dependent kinematic signals that complicate comparative analysis in applications such as health and sports science. We present 3DPCNet, a compact,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Tharindu Ekanayake , Constantino Álvarez Casado , Miguel Bordallo López

Transformer architectures have become the model of choice in natural language processing and are now being introduced into computer vision tasks such as image classification, object detection, and semantic segmentation. However, in the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Ce Zheng , Sijie Zhu , Matias Mendieta , Taojiannan Yang , Chen Chen , Zhengming Ding

We present a method for simultaneously estimating 3D human pose and body shape from a sparse set of wide-baseline camera views. We train a symmetric convolutional autoencoder with a dual loss that enforces learning of a latent…

Computer Vision and Pattern Recognition · Computer Science 2018-07-05 Matthew Trumble , Andrew Gilbert , Adrian Hilton , John Collomosse

One major challenge for monocular 3D human pose estimation in-the-wild is the acquisition of training data that contains unconstrained images annotated with accurate 3D poses. In this paper, we address this challenge by proposing a…

Computer Vision and Pattern Recognition · Computer Science 2020-03-18 Umar Iqbal , Pavlo Molchanov , Jan Kautz

Video-based human pose estimation models aim to address scenarios that cannot be effectively solved by static image models such as motion blur, out-of-focus and occlusion. Most existing approaches consist of two stages: detecting human…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Zhihong Wei

Reconstructing 3D human pose and shape from monocular videos is a well-studied but challenging problem. Common challenges include occlusions, the inherent ambiguities in the 2D to 3D mapping and the computational complexity of video…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Nikolaos Vasilikopoulos , Nikos Kolotouros , Aggeliki Tsoli , Antonis Argyros

Single-view 3D human reconstruction has achieved remarkable progress through the adoption of multi-view diffusion models, yet the recovered 3D humans often exhibit unnatural poses. This phenomenon becomes pronounced when reconstructing 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Seunguk Do , Minwoo Huh , Joonghyuk Shin , Jaesik Park

We present D-PoSE (Depth as an Intermediate Representation for 3D Human Pose and Shape Estimation), a one-stage method that estimates human pose and SMPL-X shape parameters from a single RGB image. Recent works use larger models with…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Nikolaos Vasilikopoulos , Drosakis Drosakis , Antonis Argyros

Isometric exercises appeal to individuals seeking convenience, privacy, and minimal dependence on equipments. However, such fitness training is often overdependent on unreliable digital media content instead of expert supervision,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Abhishek Jaiswal , Armeet Singh Luthra , Purav Jangir , Bhavya Garg , Nisheeth Srivastava

Monocular 3D human pose estimation technologies have the potential to greatly increase the availability of human movement data. The best-performing models for single-image 2D-3D lifting use graph convolutional networks (GCNs) that typically…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Sebastian Lutz , Richard Blythman , Koustav Ghosal , Matthew Moynihan , Ciaran Simms , Aljosa Smolic

We aim to simultaneously estimate the 3D articulated pose and high fidelity volumetric occupancy of human performance, from multiple viewpoint video (MVV) with as few as two views. We use a multi-channel symmetric 3D convolutional…

Computer Vision and Pattern Recognition · Computer Science 2020-09-08 Andrew Gilbert , Matthew Trumble , Adrian Hilton , John Collomosse

Good posture and form are essential for safe and productive exercising. Even in gym settings, trainers may not be readily available for feedback. Rehabilitation therapies and fitness workouts can thus benefit from recommender systems that…

Artificial Intelligence · Computer Science 2023-10-12 Abhishek Jaiswal , Gautam Chauhan , Nisheeth Srivastava

Automatically determining three-dimensional human pose from monocular RGB image data is a challenging problem. The two-dimensional nature of the input results in intrinsic ambiguities which make inferring depth particularly difficult.…

Computer Vision and Pattern Recognition · Computer Science 2018-11-09 Aiden Nibali , Zhen He , Stuart Morgan , Luke Prendergast

3D human pose estimation in multi-view operating room (OR) videos is a relevant asset for person tracking and action recognition. However, the surgical environment makes it challenging to find poses due to sterile clothing, frequent…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Beerend G. A. Gerats , Jelmer M. Wolterink , Ivo A. M. J. Broeders

Several video-based 3D pose and shape estimation algorithms have been proposed to resolve the temporal inconsistency of single-image-based methods. However it still remains challenging to have stable and accurate reconstruction. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Ziwen Li , Bo Xu , Han Huang , Cheng Lu , Yandong Guo

In this work, we demonstrate that 3D poses in video can be effectively estimated with a fully convolutional model based on dilated temporal convolutions over 2D keypoints. We also introduce back-projection, a simple and effective…

Computer Vision and Pattern Recognition · Computer Science 2019-04-01 Dario Pavllo , Christoph Feichtenhofer , David Grangier , Michael Auli

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…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Jiaman Li , C. Karen Liu , Jiajun Wu

In this paper we present a novel approach for bottom-up multi-person 3D human pose estimation from monocular RGB images. We propose to use high resolution volumetric heatmaps to model joint locations, devising a simple and effective…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Matteo Fabbri , Fabio Lanzi , Simone Calderara , Stefano Alletto , Rita Cucchiara

Temporal 3D human pose estimation from monocular videos is a challenging task in human-centered computer vision due to the depth ambiguity of 2D-to-3D lifting. To improve accuracy and address occlusion issues, inertial sensor has been…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Yiming Bao , Xu Zhao , Dahong Qian

Technologies to enable safe and effective collaboration and coexistence between humans and robots have gained significant importance in the last few years. A critical component useful for realizing this collaborative paradigm is the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Alessandro Simoni , Francesco Marchetti , Guido Borghi , Federico Becattini , Lorenzo Seidenari , Roberto Vezzani , Alberto Del Bimbo