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Occluded person re-identification (Re-ID) aims at addressing the occlusion problem when retrieving the person of interest across multiple cameras. With the promotion of deep learning technology and the increasing demand for intelligent…

计算机视觉与模式识别 · 计算机科学 2022-08-01 Yunjie Peng , Saihui Hou , Chunshui Cao , Xu Liu , Yongzhen Huang , Zhiqiang He

Systems involving human-robot collaboration necessarily require that steps be taken to ensure safety of the participating human. This is usually achievable if accurate, reliable estimates of the human's pose are available. In this paper, we…

机器人学 · 计算机科学 2023-10-30 Michael Zechmair , Alban Bornet , Yannick Morel

Superior human pose and shape reconstruction from monocular images depends on removing the ambiguities caused by occlusions and shape variance. Recent works succeed in regression-based methods which estimate parametric models directly…

计算机视觉与模式识别 · 计算机科学 2021-02-01 Min Wang , Feng Qiu , Wentao Liu , Chen Qian , Xiaowei Zhou , Lizhuang Ma

The kinematics analysis of foot-ankle complex during gait is essential for advancing biomechanical research and clinical assessment. Collecting accurate surface geometry data from the foot and ankle during dynamic gait conditions is…

计算机视觉与模式识别 · 计算机科学 2025-07-16 Jie-Wen Li , Zi-Han Ye , Qingyuan Zhou , Jiayi Song , Ying He , Ben Fei , Wen-Ming Chen

Unsupervised monocular depth estimation frameworks have shown promising performance in autonomous driving. However, existing solutions primarily rely on a simple convolutional neural network for ego-motion recovery, which struggles to…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Yi Feng , Zizhan Guo , Qijun Chen , Rui Fan

Depth estimation is a fundamental issue in 4-D light field processing and analysis. Although recent supervised learning-based light field depth estimation methods have significantly improved the accuracy and efficiency of traditional…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Jing Jin , Junhui Hou

We address the problem of fitting a parametric human body model (SMPL) to point cloud data. Optimization-based methods require careful initialization and are prone to becoming trapped in local optima. Learning-based methods address this but…

计算机视觉与模式识别 · 计算机科学 2023-09-20 Haiwen Feng , Peter Kulits , Shichen Liu , Michael J. Black , Victoria Abrevaya

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

Recent advancements in gait recognition have significantly enhanced performance by treating silhouettes as either an unordered set or an ordered sequence. However, both set-based and sequence-based approaches exhibit notable limitations.…

计算机视觉与模式识别 · 计算机科学 2026-03-05 Saihui Hou , Chenye Wang , Wenpeng Lang , Zhengxiang Lan , Yongzhen Huang

There exists a multitude of online video tutorials to teach physical movements such as exercises. Yet, users lack support to verify the accuracy of their movements when following such videos and have to rely on their own perception. To…

人机交互 · 计算机科学 2020-10-12 Atima Tharatipyakul , Kenny Choo , Simon T. Perrault

The capability to accurately estimate 3D human poses is crucial for diverse fields such as action recognition, gait recognition, and virtual/augmented reality. However, a persistent and significant challenge within this field is the…

Per-pixel ground-truth depth data is challenging to acquire at scale. To overcome this limitation, self-supervised learning has emerged as a promising alternative for training models to perform monocular depth estimation. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2019-08-20 Clément Godard , Oisin Mac Aodha , Michael Firman , Gabriel Brostow

Estimation of 3D human pose from monocular image has gained considerable attention, as a key step to several human-centric applications. However, generalizability of human pose estimation models developed using supervision on large-scale…

计算机视觉与模式识别 · 计算机科学 2020-06-26 Jogendra Nath Kundu , Siddharth Seth , Rahul M , Mugalodi Rakesh , R. Venkatesh Babu , Anirban Chakraborty

Gait-based person re-identification (Re-ID) is valuable for safety-critical applications, and using only 3D skeleton data to extract discriminative gait features for person Re-ID is an emerging open topic. Existing methods either adopt…

计算机视觉与模式识别 · 计算机科学 2020-08-24 Haocong Rao , Siqi Wang , Xiping Hu , Mingkui Tan , Huang Da , Jun Cheng , Bin Hu

The paper presents a novel approach to occlusion handling problem in depth estimation using three views. A solution based on modification of similarity cost function is proposed. During the depth estimation via optimization algorithms like…

多媒体 · 计算机科学 2017-11-13 Krzysztof Wegner , Olgierd Stankiewicz , Marek Domanski

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

RGBD-based real-time dynamic 3D reconstruction suffers from inaccurate inter-frame motion estimation as errors may accumulate with online tracking. This problem is even more severe for single-view-based systems due to strong occlusions.…

计算机视觉与模式识别 · 计算机科学 2022-03-16 Wenbin Lin , Chengwei Zheng , Jun-Hai Yong , Feng Xu

Humans naturally perceive a 3D scene in front of them through accumulation of information obtained from multiple interconnected projections of the scene and by interpreting their correspondence. This phenomenon has inspired artificial…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Amirreza Farnoosh , Sarah Ostadabbas

Recent studies have shown remarkable advances in 3D human pose estimation from monocular images, with the help of large-scale in-door 3D datasets and sophisticated network architectures. However, the generalizability to different…

计算机视觉与模式识别 · 计算机科学 2019-03-28 Xipeng Chen , Kwan-Yee Lin , Wentao Liu , Chen Qian , Xiaogang Wang , Liang Lin

We propose a novel end-to-end method for cross-view pose estimation. Given a ground-level query image and an aerial image that covers the query's local neighborhood, the 3 Degrees-of-Freedom camera pose of the query is estimated by matching…

计算机视觉与模式识别 · 计算机科学 2023-12-25 Zimin Xia , Olaf Booij , Julian F. P. Kooij