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It is now possible to estimate 3D human pose from monocular images with off-the-shelf 3D pose estimators. However, many practical applications require fine-grained absolute pose information for which multi-view cues and camera calibration…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 James Tang , Shashwat Suri , Daniel Ajisafe , Bastian Wandt , Helge Rhodin

Real-time human activity recognition plays an essential role in real-world human-centered robotics applications, such as assisted living and human-robot collaboration. Although previous methods based on skeletal data to encode human poses…

Computer Vision and Pattern Recognition · Computer Science 2020-04-08 Brian Reily , Qingzhao Zhu , Christopher Reardon , Hao Zhang

A robust visual localization and mapping system is essential for warehouse robot navigation, as cameras offer a more cost-effective alternative to LiDAR sensors. However, existing forward-facing camera systems often encounter challenges in…

Robotics · Computer Science 2025-04-17 Kuan Xu , Zheng Yang , Lihua Xie , Chen Wang

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

This study presents significant enhancements in human pose estimation using the MediaPipe framework. The research focuses on improving accuracy, computational efficiency, and real-time processing capabilities by comprehensively optimising…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Sandeep Singh Sengar , Abhishek Kumar , Owen Singh

Pose estimation commonly refers to computer vision methods that recognize people's body postures in images or videos. With recent advancements in deep learning, we now have compelling models to tackle the problem in real-time. Since these…

Robotics · Computer Science 2021-07-07 Arash Amini , Hafez Farazi , Sven Behnke

The robustness of event cameras to high dynamic range and motion blur holds the potential to improve visual odometry systems in challenging environments. Although their high temporal resolution does not require synchronous processing, most…

In simultaneous localization and mapping (SLAM), image feature point matching process consume a lot of time. The capacity of low-power systems such as embedded systems is almost limited. It is difficult to ensure the timely processing of…

Computer Vision and Pattern Recognition · Computer Science 2023-01-26 Lu Cao

Accurate people counting in smart buildings and intelligent transportation systems is crucial for energy management, safety protocols, and resource allocation. This is especially critical during emergencies, where precise occupant counts…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Ishrath Ahamed , Chamith Dilshan Ranathunga , Dinuka Sandun Udayantha , Benny Kai Kiat Ng , Chau Yuen

Simultaneous Localization and Mapping (SLAM) stands as one of the critical challenges in robot navigation. A SLAM system often consists of a front-end component for motion estimation and a back-end system for eliminating estimation drifts.…

Robotics · Computer Science 2025-08-12 Taimeng Fu , Shaoshu Su , Yiren Lu , Chen Wang

Joint optimization of poses and features has been extensively studied and demonstrated to yield more accurate results in feature-based SLAM problems. However, research on jointly optimizing poses and non-feature-based maps remains limited.…

Robotics · Computer Science 2025-07-14 Yingyu Wang , Liang Zhao , Shoudong Huang

Visual-inertial SLAM systems often exhibit suboptimal performance due to multiple confounding factors including imperfect sensor calibration, noisy measurements, rapid motion dynamics, low illumination, and the inherent limitations of…

Robotics · Computer Science 2025-12-02 Tali Orlev Shapira , Itzik Klein

A framework for online simultaneous localization, mapping and self-calibration is presented which can detect and handle significant change in the calibration parameters. Estimates are computed in constant-time by factoring the problem and…

Computer Vision and Pattern Recognition · Computer Science 2014-11-06 Nima Keivan , Gabe Sibley

Accurate estimation of the relative pose between an object and a robot hand is critical for many manipulation tasks. However, most of the existing object-in-hand pose datasets use two-finger grippers and also assume that the object remains…

Robotics · Computer Science 2023-04-11 Yuyang Tu , Junnan Jiang , Shuang Li , Norman Hendrich , Miao Li , Jianwei Zhang

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.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Laura Bragagnolo , Matteo Terreran , Davide Allegro , Stefano Ghidoni

Estimating absolute camera orientations is essential for attitude estimation tasks. An established approach is to first carry out visual odometry (VO) or visual SLAM (V-SLAM), and retrieve the camera orientations (3 DOF) from the camera…

Computer Vision and Pattern Recognition · Computer Science 2020-10-06 Chee-Kheng Chng , Alvaro Parra , Tat-Jun Chin , Yasir Latif

We introduce (HPS) Human POSEitioning System, a method to recover the full 3D pose of a human registered with a 3D scan of the surrounding environment using wearable sensors. Using IMUs attached at the body limbs and a head mounted camera…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Vladimir Guzov , Aymen Mir , Torsten Sattler , Gerard Pons-Moll

Visual inertial odometry and SLAM algorithms are widely used in various fields, such as service robots, drones, and autonomous vehicles. Most of the SLAM algorithms are based on assumption that landmarks are static. However, in the…

Robotics · Computer Science 2022-08-25 Seungwon Song , Hyungtae Lim , Alex Junho Lee , Hyun Myung

This paper contributes a novel realtime multi-person motion capture algorithm using multiview video inputs. Due to the heavy occlusions in each view, joint optimization on the multiview images and multiple temporal frames is indispensable,…

Computer Vision and Pattern Recognition · Computer Science 2020-03-02 Yuxiang Zhang , Liang An , Tao Yu , Xiu Li , Kun Li , Yebin Liu

We have proposed, to the best of our knowledge, the first-of-its-kind LiDAR-Inertial-Visual-Fused simultaneous localization and mapping (SLAM) system with a strong place recognition capacity. Our proposed SLAM system is consist of…

Robotics · Computer Science 2023-01-16 Kangcheng Liu