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Three-dimensional tracking of multiple objects from multiple views has a wide range of applications, especially in the study of bio-cluster behavior which requires precise trajectories of research objects. However, there are significant…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Nianhao Xie

We present FlexNeRF, a method for photorealistic freeviewpoint rendering of humans in motion from monocular videos. Our approach works well with sparse views, which is a challenging scenario when the subject is exhibiting fast/complex…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Vinoj Jayasundara , Amit Agrawal , Nicolas Heron , Abhinav Shrivastava , Larry S. Davis

Camera pose tracking attracts much interest both from academic and industrial communities, of which the methods based on planar markers are easy to be implemented. However, most of the existing methods need to identify multiple points in…

Computer Vision and Pattern Recognition · Computer Science 2019-07-25 Fulin Tang , Yihong Wu

Sampling from high-dimensional, multi-modal distributions remains a fundamental challenge across domains such as statistical Bayesian inference and physics-based machine learning. In this paper, we propose Annealing Flow (AF), a method…

Machine Learning · Statistics 2025-05-28 Dongze Wu , Yao Xie

Predicting 3D human poses in real-world scenarios, also known as human pose forecasting, is inevitably subject to noisy inputs arising from inaccurate 3D pose estimations and occlusions. To address these challenges, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Saeed Saadatnejad , Ali Rasekh , Mohammadreza Mofayezi , Yasamin Medghalchi , Sara Rajabzadeh , Taylor Mordan , Alexandre Alahi

Human pose capture is essential for sports analysis, enabling precise evaluation of athletes' movements. While deep learning-based human pose estimation (HPE) models from RGB videos have achieved impressive performance on public datasets,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Qi Gan , Sao Mai Nguyen , Eric Fenaux , Stephan Clémençon , Mounîm El Yacoubi

This paper addresses the problem of vision-based pedestrian localization, which estimates a pedestrian's location using images and camera parameters. In practice, however, calibrated camera parameters often deviate from the ground truth,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Wanyu Zhang , Jiaqi Zhang , Dongdong Ge , Yu Lin , Huiwen Yang , Huikang Liu , Yinyu Ye

In this paper, we applied a dynamic model for manoeuvring targets in SIR particle filter algorithm for improving tracking accuracy of multiple manoeuvring targets. In our proposed approach, a color distribution model is used to detect…

Computer Vision and Pattern Recognition · Computer Science 2014-04-14 Mohammad Javad Parseh , Saeid Pashazadeh

We introduce a novel neural volumetric pose feature, termed PoseMap, designed to enhance camera localization by encapsulating the information between images and the associated camera poses. Our framework leverages an Absolute Pose…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Jingyu Lin , Jiaqi Gu , Bojian Wu , Lubin Fan , Renjie Chen , Ligang Liu , Jieping Ye

Augmented reality assembly guidance is essential for intelligent manufacturing and medical applications, requiring continuous measurement of the 6DoF poses of manipulated objects. Although current tracking methods have made significant…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Jixiang Chen , Jing Chen , Kai Liu , Haochen Chang , Shanfeng Fu , Jian Yang

Automatic lane tracking involves estimating the underlying signal from a sequence of noisy signal observations. Many models and methods have been proposed for lane tracking, and dynamic targets tracking in general. The Kalman Filter is a…

Computer Vision and Pattern Recognition · Computer Science 2017-06-29 Jiawei Huang , Zhaowen Wang

To determine the 3D orientation and 3D location of objects in the surroundings of a camera mounted on a robot or mobile device, we developed two powerful algorithms in object detection and temporal tracking that are combined seamlessly for…

Computer Vision and Pattern Recognition · Computer Science 2017-09-06 David Joseph Tan , Nassir Navab , Federico Tombari

Text-based person search aims to retrieve the corresponding person images in an image database by virtue of a describing sentence about the person, which poses great potential for various applications such as video surveillance. Extracting…

Computer Vision and Pattern Recognition · Computer Science 2019-11-28 Ya Jing , Chenyang Si , Junbo Wang , Wei Wang , Liang Wang , Tieniu Tan

Visual pose tracking is playing an increasingly vital role in industrial contexts in recent years. However, the pose tracking for industrial metal objects remains a challenging task especially in the real world-environments, due to the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Chentao Shen , Ding Pan , Mingyu Mei , Zaixing He , Xinyue Zhao

We propose a method to track the 6D pose of an object over time, while the object is under non-prehensile manipulation by a robot. At any given time during the manipulation of the object, we assume access to the robot joint controls and an…

Robotics · Computer Science 2023-10-25 Zisong Xu , Rafael Papallas , Mehmet Dogar

Most of the correlation filter based tracking algorithms can achieve good performance and maintain fast computational speed. However, in some complicated tracking scenes, there is a fatal defect that causes the object to be located…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Di Yuan , Xiaohuan Lu , Donghao Li , Yingyi Liang , Xinming Zhang

Video based fall detection accuracy has been largely improved due to the recent progress on deep convolutional neural networks. However, there still exists some challenges, such as lighting variation, complex background, which degrade the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-02 Ziwei Chen , Yiye Wang , Wankou Yang

The variation of pose, illumination and expression makes face recognition still a challenging problem. As a pre-processing in holistic approaches, faces are usually aligned by eyes. The proposed method tries to perform a pixel alignment…

Computer Vision and Pattern Recognition · Computer Science 2018-08-01 Hoda Mohammadzade , Amirhossein Sayyafan , Benyamin Ghojogh

Robots working in human environments often encounter a wide range of articulated objects, such as tools, cabinets, and other jointed objects. Such articulated objects can take an infinite number of possible poses, as a point in a…

Robotics · Computer Science 2018-12-11 Karthik Desingh , Shiyang Lu , Anthony Opipari , Odest Chadwicke Jenkins

Panoramic Activity Recognition (PAR) aims to identify multi-granularity behaviors performed by multiple persons in panoramic scenes, including individual activities, group activities, and global activities. Previous methods 1) heavily rely…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Meiqi Cao , Rui Yan , Xiangbo Shu , Guangzhao Dai , Yazhou Yao , Guo-Sen Xie