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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

In monocular 3D human pose estimation a common setup is to first detect 2D positions and then lift the detection into 3D coordinates. Many algorithms suffer from overfitting to camera positions in the training set. We propose a siamese…

Computer Vision and Pattern Recognition · Computer Science 2019-02-19 Márton Véges , Viktor Varga , András Lőrincz

Multi-person pose estimation and tracking serve as crucial steps for video understanding. Most state-of-the-art approaches rely on first estimating poses in each frame and only then implementing data association and refinement. Despite the…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Yiding Yang , Zhou Ren , Haoxiang Li , Chunluan Zhou , Xinchao Wang , Gang Hua

A key challenge in the task of human pose and shape estimation is occlusion, including self-occlusions, object-human occlusions, and inter-person occlusions. The lack of diverse and accurate pose and shape training data becomes a major…

Computer Vision and Pattern Recognition · Computer Science 2022-03-02 Kaibing Yang , Renshu Gu , Maoyu Wang , Masahiro Toyoura , Gang Xu

Unlike in natural images, in endoscopy there is no clear notion of an up-right camera orientation. Endoscopic videos therefore often contain large rotational motions, which require keypoint detection and description algorithms to be robust…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Mert Asim Karaoglu , Viktoria Markova , Nassir Navab , Benjamin Busam , Alexander Ladikos

Occlusions are universal disruptions constantly present in the real world. Especially for sparse representations, such as human skeletons, a few occluded points might destroy the geometrical and temporal continuity critically affecting the…

Computer Vision and Pattern Recognition · Computer Science 2023-01-11 Kunyu Peng , Alina Roitberg , Kailun Yang , Jiaming Zhang , Rainer Stiefelhagen

Estimating 3D from 2D is one of the central tasks in computer vision. In this work, we consider the monocular setting, i.e. single-view input, for 3D human pose estimation (HPE). Here, the task is to predict a 3D point set of human skeletal…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Pavlo Melnyk , Cuong Le , Urs Waldmann , Per-Erik Forssén , Bastian Wandt

Although significant progress has been achieved on monocular maker-less human motion capture in recent years, it is still hard for state-of-the-art methods to obtain satisfactory results in occlusion scenarios. There are two main reasons:…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Buzhen Huang , Yuan Shu , Jingyi Ju , Yangang Wang

We propose a self-supervised monocular depth estimation network tailored for endoscopic scenes, aiming to infer depth within the gastrointestinal tract from monocular images. Existing methods, though accurate, typically assume consistent…

Computer Vision and Pattern Recognition · Computer Science 2025-04-25 Zebo Huang , Yinghui Wang

3D human pose estimation using monocular images is an important yet challenging task. Existing 3D pose detection methods exhibit excellent performance under normal conditions however their performance may degrade due to occlusion. Recently…

Computer Vision and Pattern Recognition · Computer Science 2022-03-09 Mehwish Ghafoor , Arif Mahmood

Occlusions are a significant challenge to human pose estimation algorithms, often resulting in inaccurate and anatomically implausible poses. Although current occlusion-robust human pose estimation algorithms exhibit impressive performance…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Arindam Dutta , Sarosij Bose , Saketh Bachu , Calvin-Khang Ta , Konstantinos Karydis , Amit K. Roy-Chowdhury

Gait recognition, a rapidly advancing vision technology for person identification from a distance, has made significant strides in indoor settings. However, evidence suggests that existing methods often yield unsatisfactory results when…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Chao Fan , Saihui Hou , Junhao Liang , Chuanfu Shen , Jingzhe Ma , Dongyang Jin , Yongzhen Huang , Shiqi Yu

Spatio-temporal information is key to resolve occlusion and depth ambiguity in 3D pose estimation. Previous methods have focused on either temporal contexts or local-to-global architectures that embed fixed-length spatio-temporal…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Junfa Liu , Juan Rojas , Zhijun Liang , Yihui Li , Yisheng Guan

In real-world video surveillance applications, person re-identification (ReID) suffers from the effects of occlusions and detection errors. Despite recent advances, occlusions continue to corrupt the features extracted by state-of-art CNN…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Madhu Kiran , R Gnana Praveen , Le Thanh Nguyen-Meidine , Soufiane Belharbi , Louis-Antoine Blais-Morin , Eric Granger

Self-supervised deep learning-based 3D scene understanding methods can overcome the difficulty of acquiring the densely labeled ground-truth and have made a lot of advances. However, occlusions and moving objects are still some of the major…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Jiaojiao Fang , Guizhong Liu

Single-view 3D shape retrieval is a challenging task that is increasingly important with the growth of available 3D data. Prior work that has studied this task has not focused on evaluating how realistic occlusions impact performance, and…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Qirui Wu , Daniel Ritchie , Manolis Savva , Angel X. Chang

Human pose estimation (i.e., locating the body parts / joints of a person) is a fundamental problem in human-computer interaction and multimedia applications. Significant progress has been made based on the development of depth sensors,…

Computer Vision and Pattern Recognition · Computer Science 2016-08-16 Keze Wang , Shengfu Zhai , Hui Cheng , Xiaodan Liang , Liang Lin

Accurate 6D object pose estimation is vital for robotics, augmented reality, and scene understanding. For seen objects, high accuracy is often attainable via per-object fine-tuning but generalizing to unseen objects remains a challenge. To…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Sajjad Pakdamansavoji , Yintao Ma , Amir Rasouli , Tongtong Cao

Vision-based monocular human pose estimation, as one of the most fundamental and challenging problems in computer vision, aims to obtain posture of the human body from input images or video sequences. The recent developments of deep…

Computer Vision and Pattern Recognition · Computer Science 2020-06-03 Yucheng Chen , Yingli Tian , Mingyi He

Tracking body and hand motions in the 3D space is essential for social and self-presence in augmented and virtual environments. Unlike the popular 3D pose estimation setting, the problem is often formulated as inside-out tracking based on…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Mathias Parger , Chengcheng Tang , Yuanlu Xu , Christopher Twigg , Lingling Tao , Yijing Li , Robert Wang , Markus Steinberger