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Contrastive Language-Image Pre-training (CLIP) starts to emerge in many computer vision tasks and has achieved promising performance. However, it remains underexplored whether CLIP can be generalized to 3D hand pose estimation, as bridging…

Multimedia · Computer Science 2023-09-29 Shaoxiang Guo , Qing Cai , Lin Qi , Junyu Dong

3D hand pose estimation is a fundamental task in understanding human hands. However, accurately estimating 3D hand poses remains challenging due to the complex movement of hands, self-similarity, and frequent occlusions. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Lee Chae-Yeon , Nam Hyeon-Woo , Tae-Hyun Oh

Monocular 3D human pose and shape estimation is challenging due to the many degrees of freedom of the human body and thedifficulty to acquire training data for large-scale supervised learning in complex visual scenes. In this paper we…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Andrei Zanfir , Eduard Gabriel Bazavan , Hongyi Xu , Bill Freeman , Rahul Sukthankar , Cristian Sminchisescu

3D pose estimation from a 2D cross-sectional view enables healthcare professionals to navigate through the 3D space, and such techniques initiate automatic guidance in many image-guided radiology applications. In this work, we investigate…

Image and Video Processing · Electrical Eng. & Systems 2024-08-20 Qianhui Men , Xiaoqing Guo , Aris T. Papageorghiou , J. Alison Noble

Modern deep learning techniques that regress the relative camera pose between two images have difficulty dealing with challenging scenarios, such as large camera motions resulting in occlusions and significant changes in perspective that…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Kefan Chen , Noah Snavely , Ameesh Makadia

Understanding and extracting 3D information of objects from monocular 2D images is a fundamental problem in computer vision. In the task of 3D object pose estimation, recent data driven deep neural network based approaches suffer from…

Computer Vision and Pattern Recognition · Computer Science 2018-08-06 Jogendra Nath Kundu , Aditya Ganeshan , Rahul M. V. , Aditya Prakash , R. Venkatesh Babu

Human pose estimation is a fundamental and challenging task in computer vision. Larger-scale and more accurate keypoint annotations, while helpful for improving the accuracy of supervised pose estimation, are often expensive and difficult…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Kexin Meng , Ruirui Li , Daguang Jiang

Accurate face parsing under extreme viewing angles remains a significant challenge due to limited labeled data in such poses. Manual annotation is costly and often impractical at scale. We propose a novel label refinement pipeline that…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Ankit Gahlawat , Anirban Mukherjee , Dinesh Babu Jayagopi

This paper addresses the problem of 3D human pose estimation from single images. While for a long time human skeletons were parameterized and fitted to the observation by satisfying a reprojection error, nowadays researchers directly use…

Computer Vision and Pattern Recognition · Computer Science 2019-03-13 Bastian Wandt , Bodo Rosenhahn

Recent trends in semi-supervised learning have significantly boosted the performance of 3D semi-supervised medical image segmentation. Compared with 2D images, 3D medical volumes involve information from different directions, e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Heng Cai , Shumeng Li , Lei Qi , Qian Yu , Yinghuan Shi , Yang Gao

Compared to 2D object bounding-box labeling, it is very difficult for humans to annotate 3D object poses, especially when depth images of scenes are unavailable. This paper investigates whether we can estimate the object poses effectively…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Zongxin Yang , Xin Yu , Yi Yang

The performance of existing single-view 3D reconstruction methods heavily relies on large-scale 3D annotations. However, such annotations are tedious and expensive to collect. Semi-supervised learning serves as an alternative way to…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Zhen Xing , Hengduo Li , Zuxuan Wu , Yu-Gang Jiang

Semantic patterns of fine-grained objects are determined by subtle appearance difference of local parts, which thus inspires a number of part-based methods. However, due to uncontrollable object poses in images, distinctive details carried…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Xuhui Yang , Yaowei Wang , Ke Chen , Yong Xu , Yonghong Tian

The performance of existing point cloud-based 3D object detection methods heavily relies on large-scale high-quality 3D annotations. However, such annotations are often tedious and expensive to collect. Semi-supervised learning is a good…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Na Zhao , Tat-Seng Chua , Gim Hee Lee

3D object pose estimation is a challenging task. Previous works always require thousands of object images with annotated poses for learning the 3D pose correspondence, which is laborious and time-consuming for labeling. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Fengrui Tian , Yaoyao Liu , Adam Kortylewski , Yueqi Duan , Shaoyi Du , Alan Yuille , Angtian Wang

This work addresses a novel and challenging problem of estimating the full 3D hand shape and pose from a single RGB image. Most current methods in 3D hand analysis from monocular RGB images only focus on estimating the 3D locations of hand…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Liuhao Ge , Zhou Ren , Yuncheng Li , Zehao Xue , Yingying Wang , Jianfei Cai , Junsong Yuan

Data annotation using visual inspection (supervision) of each training sample can be laborious. Interactive solutions alleviate this by helping experts propagate labels from a few supervised samples to unlabeled ones based solely on the…

Hand pose represents key information for action recognition in the egocentric perspective, where the user is interacting with objects. We propose to improve egocentric 3D hand pose estimation based on RGB frames only by using pseudo-depth…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Wiktor Mucha , Michael Wray , Martin Kampel

In response to the growing demand for 3D object detection in applications such as autonomous driving, robotics, and augmented reality, this work focuses on the evaluation of semi-supervised learning approaches for point cloud data. The…

Computer Vision and Pattern Recognition · Computer Science 2023-11-23 Maksim Golyadkin , Alexander Gambashidze , Ildar Nurgaliev , Ilya Makarov

Recent progress in object pose prediction provides a promising path for robots to build object-level scene representations during navigation. However, as we deploy a robot in novel environments, the out-of-distribution data can degrade the…

Robotics · Computer Science 2022-08-17 Ziqi Lu , Yihao Zhang , Kevin Doherty , Odin Severinsen , Ethan Yang , John Leonard
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