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Robust 3D human pose estimation is crucial to ensure safe and effective human-robot collaboration. Accurate human perception,however, is particularly challenging in these scenarios due to strong occlusions and limited camera viewpoints.…

计算机视觉与模式识别 · 计算机科学 2024-08-29 Laura Bragagnolo , Matteo Terreran , Davide Allegro , Stefano Ghidoni

Recently, occluded person re-identification(Re-ID) remains a challenging task that people are frequently obscured by other people or obstacles, especially in a crowd massing situation. In this paper, we propose a self-supervised deep…

计算机视觉与模式识别 · 计算机科学 2022-02-11 Mi Zhou , Hongye Liu , Zhekun Lv , Wei Hong , Xiai Chen

Motion-controllable video generation is crucial for egocentric applications in virtual reality and embodied AI. However, existing methods often struggle to achieve 3D-consistent fine-grained hand articulation. By adopting on 2D trajectories…

计算机视觉与模式识别 · 计算机科学 2026-04-13 Chenyangguang Zhang , Botao Ye , Boqi Chen , Alexandros Delitzas , Fangjinhua Wang , Marc Pollefeys , Xi Wang

3D human pose estimation captures the human joint points in three-dimensional space while keeping the depth information and physical structure. That is essential for applications that require precise pose information, such as human-computer…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Jianbin Jiao , Xina Cheng , Weijie Chen , Xiaoting Yin , Hao Shi , Kailun Yang

Ego-motion estimation is vital for drones when flying in GPS-denied environments. Vision-based methods struggle when flight speed increases and close-by objects lead to difficult visual conditions with considerable motion blur and large…

机器人学 · 计算机科学 2025-05-01 Stavrow A. Bahnam , Christophe De Wagter , Guido C. H. E. de Croon

Image matching is a fundamental and critical task in various visual applications, such as Simultaneous Localization and Mapping (SLAM) and image retrieval, which require accurate pose estimation. However, most existing methods ignore the…

计算机视觉与模式识别 · 计算机科学 2023-08-31 Miao Fan , Mingrui Chen , Chen Hu , Shuchang Zhou

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…

计算机视觉与模式识别 · 计算机科学 2020-10-21 Junfa Liu , Juan Rojas , Zhijun Liang , Yihui Li , Yisheng Guan

Navigating dynamic and unstructured environments poses significant challenges for autonomous robots, particularly due to the uncertainty introduced by occluded areas. Conventional sensing methods often fail to detect obstacles hidden behind…

机器人学 · 计算机科学 2024-12-31 Sithija Ranaraja

Pose estimation in the wild is a challenging problem, particularly in situations of (i) occlusions of varying degrees and (ii) crowded outdoor scenes. Most of the existing studies of pose estimation did not report the performance in similar…

计算机视觉与模式识别 · 计算机科学 2020-02-18 Sudip Das , Perla Sai Raj Kishore , Ujjwal Bhattacharya

Recovering 3D full-body human pose is a challenging problem with many applications. It has been successfully addressed by motion capture systems with body worn markers and multiple cameras. In this paper, we address the more challenging…

计算机视觉与模式识别 · 计算机科学 2018-03-12 Xiaowei Zhou , Menglong Zhu , Georgios Pavlakos , Spyridon Leonardos , Kostantinos G. Derpanis , Kostas Daniilidis

A long-standing challenge in scene analysis is the recovery of scene arrangements under moderate to heavy occlusion, directly from monocular video. While the problem remains a subject of active research, concurrent advances have been made…

图形学 · 计算机科学 2019-07-19 Aron Monszpart , Paul Guerrero , Duygu Ceylan , Ersin Yumer , Niloy J. Mitra

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…

计算机视觉与模式识别 · 计算机科学 2024-01-02 Qirui Wu , Daniel Ritchie , Manolis Savva , Angel X. Chang

Occlusions pose a significant challenge to optical flow algorithms that rely on local evidences. We consider an occluded point to be one that is imaged in the first frame but not in the next, a slight overloading of the standard definition…

计算机视觉与模式识别 · 计算机科学 2021-08-02 Shihao Jiang , Dylan Campbell , Yao Lu , Hongdong Li , Richard Hartley

Human motion prediction is consisting in forecasting future body poses from historically observed sequences. It is a longstanding challenge due to motion's complex dynamics and uncertainty. Existing methods focus on building up complicated…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Zhihao Wang , Yulin Zhou , Ningyu Zhang , Xiaosong Yang , Jun Xiao , Zhao Wang

Visual motion estimation is an integral and well-studied challenge in autonomous navigation. Recent work has focused on addressing multimotion estimation, which is especially challenging in highly dynamic environments. Such environments not…

机器人学 · 计算机科学 2021-02-16 Kevin M. Judd , Jonathan D. Gammell

Previous methods on estimating detailed human depth often require supervised training with `ground truth' depth data. This paper presents a self-supervised method that can be trained on YouTube videos without known depth, which makes…

计算机视觉与模式识别 · 计算机科学 2020-05-08 Feitong Tan , Hao Zhu , Zhaopeng Cui , Siyu Zhu , Marc Pollefeys , Ping Tan

Marker-based motion capture (MoCap) systems have long been the gold standard for accurate 4D human modeling, yet their reliance on specialized hardware and markers limits scalability and real-world deployment. Advancing reliable markerless…

计算机视觉与模式识别 · 计算机科学 2026-04-15 Yeeun Park , Miqdad Naduthodi , Suryansh Kumar

We present a new algorithm for multi-region segmentation of 2D images with objects that may partially occlude each other. Our algorithm is based on the observation hat human performance on this task is based both on prior knowledge about…

计算机视觉与模式识别 · 计算机科学 2016-06-16 Yuka Kihara , Matvey Soloviev , Tsuhan Chen

Human motion recovery for real-world interaction demands both precise action details and metric-scale trajectories. Recovering absolute human pose from monocular input presents a viable solution, but faces two main challenges: (1) models'…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Zhumei Wang , Zechen Hu , Ruoxi Guo , Huaijin Pi , Ziyong Feng , Liang Zhang , Mingtao Pei , Siyuan Huang

Existing 2D-to-3D pose lifting networks suffer from poor performance in cross-dataset benchmarks. Although the use of 2D keypoints joined by "stick-figure" limbs has shown promise as an intermediate step, stick-figures do not account for…

计算机视觉与模式识别 · 计算机科学 2023-07-20 Saad Manzur , Wayne Hayes