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We propose to estimate 3D human pose from multi-view images and a few IMUs attached at person's limbs. It operates by firstly detecting 2D poses from the two signals, and then lifting them to the 3D space. We present a geometric approach to…

Computer Vision and Pattern Recognition · Computer Science 2020-04-13 Zhe Zhang , Chunyu Wang , Wenhu Qin , Wenjun Zeng

Category-level 6D object pose estimation aims to estimate the rotation, translation and size of unseen instances within specific categories. In this area, dense correspondence-based methods have achieved leading performance. However, they…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Xiao Lin , Wenfei Yang , Yuan Gao , Tianzhu Zhang

We present FaceLift, a novel feed-forward approach for generalizable high-quality 360-degree 3D head reconstruction from a single image. Our pipeline first employs a multi-view latent diffusion model to generate consistent side and back…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Weijie Lyu , Yi Zhou , Ming-Hsuan Yang , Zhixin Shu

Accurate monocular metric depth estimation (MMDE) is crucial to solving downstream tasks in 3D perception and modeling. However, the remarkable accuracy of recent MMDE methods is confined to their training domains. These methods fail to…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Luigi Piccinelli , Christos Sakaridis , Yung-Hsu Yang , Mattia Segu , Siyuan Li , Wim Abbeloos , Luc Van Gool

Pre-trained 3D vision models have gained significant attention for their promising performance on point cloud data. However, fully fine-tuning these models for downstream tasks is computationally expensive and storage-intensive. Existing…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Zixiang Ai , Zichen Liu , Yuanhang Lei , Zhenyu Cui , Xu Zou , Jiahuan Zhou

Modern feed-forward 3D reconstruction methods like VGGT predict pixel-aligned pointmaps in camera-centric coordinate frames. However, this choice of coordinate frame is not always optimal. We propose instead to predict pointmaps in upright,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Bharath Raj Nagoor Kani , Noah Snavely

Existing 3D anomaly detection methods are built on a rigid prior: normal geometry is pose-invariant and can be canonicalized through registration or alignment. This prior does not hold for articulated objects with hinge or sliding joints,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Jinye Gan , Bozhong Zheng , Xiaohao Xu , Junye Ren , Zixuan Zhang , Na Ni , Yingna Wu

Semantic-aware 3D reconstruction from sparse, unposed images remains challenging for feed-forward 3D Gaussian Splatting (3DGS). Existing methods often predict an over-complete set of Gaussian primitives under sparse-view supervision,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Guibiao Liao , Qian Ren , Kaimin Liao , Hua Wang , Zhi Chen , Luchao Wang , Yaohua Tang

In this paper, we propose a two-stage fully 3D network, namely \textbf{DeepFuse}, to estimate human pose in 3D space by fusing body-worn Inertial Measurement Unit (IMU) data and multi-view images deeply. The first stage is designed for pure…

Computer Vision and Pattern Recognition · Computer Science 2019-12-10 Fuyang Huang , Ailing Zeng , Minhao Liu , Qiuxia Lai , Qiang Xu

While 2D pose estimation has advanced our ability to interpret body movements in animals and primates, it is limited by the lack of depth information, constraining its application range. 3D pose estimation provides a more comprehensive…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Soumyaratna Debnath , Harish Katti , Shashikant Verma , Shanmuganathan Raman

Augmented Reality has been subject to various integration efforts within industries due to its ability to enhance human machine interaction and understanding. Neural networks have achieved remarkable results in areas of computer vision,…

Computer Vision and Pattern Recognition · Computer Science 2020-01-17 Linh Kästner , Daniel Dimitrov , Jens Lambrecht

Existing methods for 3D human mesh recovery always directly estimate SMPL parameters, which involve both joint rotations and shape parameters. However, these methods present rotation semantic ambiguity, rotation error accumulation, and…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Xiaoyang Hao , Han Li , Jun Cheng , Lei Wang

Although data-driven methods have achieved success in 3D human pose estimation, they often suffer from domain gaps and exhibit limited generalization. In contrast, optimization-based methods excel in fine-tuning for specific cases but are…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Ti Wang , Mengyuan Liu , Hong Liu , Bin Ren , Yingxuan You , Wenhao Li , Nicu Sebe , Xia Li

Existing skeleton-based 3D human pose estimation methods only predict joint positions. Although the yaw and pitch of bone rotations can be derived from joint positions, the roll around the bone axis remains unresolved. We present…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Soubarna Banik , Edvard Avagyan , Sayantan Auddy , Alejandro Mendoza Gracia , Alois Knoll

We address the problem of estimating the relative 6D pose, i.e., position and orientation, of a target spacecraft, from a monocular image, a key capability for future autonomous Rendezvous and Proximity Operations. Due to the difficulty of…

Computer Vision and Pattern Recognition · Computer Science 2025-09-19 Antoine Legrand , Renaud Detry , Christophe De Vleeschouwer

There exist challenging problems in 3D human pose estimation mission, such as poor performance caused by occlusion and self-occlusion. Recently, IMU-vision sensor fusion is regarded as valuable for solving these problems. However, previous…

Computer Vision and Pattern Recognition · Computer Science 2022-08-26 Yiming Bao , Xu Zhao , Dahong Qian

In mmWave-based pose estimation, sparse signals and weak reflections often cause models to infer body joints from statistical priors rather than sensor data. While prior knowledge helps in learning meaningful representations, over-reliance…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Zhenyu Wang , Mahathir Monjur , Shahriar Nirjon

Recent advancements in deep learning methods have significantly improved the performance of 3D Human Pose Estimation (HPE). However, performance degradation caused by domain gaps between source and target domains remains a major challenge…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Hoosang Lee , Jeha Ryu

Face alignment aims to estimate the locations of a set of landmarks for a given image. This problem has received much attention as evidenced by the recent advancement in both the methodology and performance. However, most of the existing…

Computer Vision and Pattern Recognition · Computer Science 2015-06-12 Amin Jourabloo , Xiaoming Liu

Image dehazing has witnessed significant advancements with the development of deep learning models. However, most existing methods focus solely on single-modal RGB features, neglecting the inherent correlation between scene depth and haze…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Zengyuan Zuo , Junjun Jiang , Gang Wu , Xianming Liu