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Existing 3D human pose estimation methods often suffer in performance, when applied to cross-scenario inference, due to domain shifts in characteristics such as camera viewpoint, position, posture, and body size. Among these factors, camera…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Jingjing Liu , Zhiyong Wang , Xinyu Fan , Amirhossein Dadashzadeh , Honghai Liu , Majid Mirmehdi

One of the key criticisms of deep learning is that large amounts of expensive and difficult-to-acquire training data are required in order to train models with high performance and good generalization capabilities. Focusing on the task of…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Jack Langerman , Ziming Qiu , Gábor Sörös , Dávid Sebők , Yao Wang , Howard Huang

The ability to perceive 3D human bodies from a single image has a multitude of applications ranging from entertainment and robotics to neuroscience and healthcare. A fundamental challenge in human mesh recovery is in collecting the ground…

Computer Vision and Pattern Recognition · Computer Science 2022-09-15 Zhenzhen Weng , Kuan-Chieh Wang , Angjoo Kanazawa , Serena Yeung

We introduce a novel framework for representation learning in head pose estimation (HPE). Previously such a scheme was difficult due to head pose data sparsity, making triplet sampling infeasible. Recent progress in 3D generative…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Ting-Ruen Wei , Haowei Liu , Huei-Chung Hu , Xuyang Wu , Yi Fang , Hsin-Tai Wu

Due to domain shifts, machine learning systems typically struggle to generalize well to new domains that differ from those of training data, which is what domain generalization (DG) aims to address. Although a variety of DG methods have…

Machine Learning · Computer Science 2023-11-15 Jingang Qu , Thibault Faney , Ze Wang , Patrick Gallinari , Soleiman Yousef , Jean-Charles de Hemptinne

The phenomenon of Human Pose Estimation (HPE) is a problem that has been explored over the years, particularly in computer vision. But what exactly is it? To answer this, the concept of a pose must first be understood. Pose can be defined…

Computer Vision and Pattern Recognition · Computer Science 2021-10-14 Rohit Josyula , Sarah Ostadabbas

Occlusion is an omnipresent challenge in 3D human pose estimation (HPE). In spite of the large amount of research dedicated to 3D HPE, only a limited number of studies address the problem of occlusion explicitly. To fill this gap, we…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Soubarna Banik , Patricia Gschoßmann , Alejandro Mendoza Garcia , Alois Knoll

Domain adaptation (DA) tackles the issue of distribution shift by learning a model from a source domain that generalizes to a target domain. However, most existing DA methods are designed for scenarios where the source and target domain…

Machine Learning · Computer Science 2024-12-18 Thai-Hoang Pham , Yuanlong Wang , Changchang Yin , Xueru Zhang , Ping Zhang

The typical bottom-up human pose estimation framework includes two stages, keypoint detection and grouping. Most existing works focus on developing grouping algorithms, e.g., associative embedding, and pixel-wise keypoint regression that we…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Ke Sun , Zigang Geng , Depu Meng , Bin Xiao , Dong Liu , Zhaoxiang Zhang , Jingdong Wang

Monocular 3D human pose estimation (HPE) often encounters challenges such as depth ambiguity and occlusion during the 2D-to-3D lifting process. Additionally, traditional methods may overlook multi-scale skeleton features when utilizing…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Bing Han , Yuhua Huang , Pan Gao

Articulation-centric 2D/3D pose supervision forms the core training objective in most existing 3D human pose estimation techniques. Except for synthetic source environments, acquiring such rich supervision for each real target domain at…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Mugalodi Rakesh , Jogendra Nath Kundu , Varun Jampani , R. Venkatesh Babu

3D human pose estimation has wide applications in fields such as intelligent surveillance, motion capture, and virtual reality. However, in real-world scenarios, issues such as occlusion, noise interference, and missing viewpoints can…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Jianbin Jiao , Xina Cheng , Kailun Yang , Xiangrong Zhang , Licheng Jiao

In recent years, 2D-to-3D pose uplifting in monocular 3D Human Pose Estimation (HPE) has attracted widespread research interest. GNN-based methods and Transformer-based methods have become mainstream architectures due to their advanced…

Computer Vision and Pattern Recognition · Computer Science 2024-10-23 Mengmeng Cui , Kunbo Zhang , Zhenan Sun

Spacecraft Pose Estimation (SPE) is a fundamental capability for autonomous space operations such as rendezvous, docking, and in-orbit servicing. Hybrid pipelines that combine object detection, keypoint regression, and Perspective-n-Point…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Inder Pal Singh , Nidhal Eddine Chenni , Abd El Rahman Shabayek , Arunkumar Rathinam , Djamila Aouada

Human Pose Estimation (HPE) involves detecting and localizing keypoints on the human body from visual data. In 3D HPE, occlusions, where parts of the body are not visible in the image, pose a significant challenge for accurate pose…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Filipa Lino , Carlos Santiago , Manuel Marques

Existing head pose estimation (HPE) mainly focuses on single person with pre-detected frontal heads, which limits their applications in real complex scenarios with multi-persons. We argue that these single HPE methods are fragile and…

Computer Vision and Pattern Recognition · Computer Science 2023-02-15 Huayi Zhou , Fei Jiang , Hongtao Lu

Thanks to advances in deep learning techniques, Human Pose Estimation (HPE) has achieved significant progress in natural scenarios. However, these models perform poorly in artificial scenarios such as painting and sculpture due to the…

Computer Vision and Pattern Recognition · Computer Science 2024-02-23 Jingyao Li , Pengguang Chen , Xuan Ju , Hong Xu , Jiaya Jia

Recent approaches for monocular 3D human pose estimation (3D HPE) have achieved leading performance by directly regressing 3D poses from 2D keypoint sequences. Despite the rapid progress in 3D HPE, existing methods are typically trained and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Qingyuan Cai , Linxin Zhang , Xuecai Hu , Saihui Hou , Yongzhen Huang

Animal pose estimation has recently come into the limelight due to its application in biology, zoology, and aquaculture. Deep learning methods have effectively been applied to human pose estimation. However, the major bottleneck to the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-17 Samayan Bhattacharya , Sk Shahnawaz

Occlusion presents a significant challenge in human pose estimation. The challenges posed by occlusion can be attributed to the following factors: 1) Data: The collection and annotation of occluded human pose samples are relatively…

Computer Vision and Pattern Recognition · Computer Science 2024-01-10 Linhao Xu , Lin Zhao , Xinxin Sun , Di Wang , Guangyu Li , Kedong Yan