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Deploying autonomous robots in crowded indoor environments usually requires them to have accurate dynamic obstacle perception. Although plenty of previous works in the autonomous driving field have investigated the 3D object detection…

机器人学 · 计算机科学 2024-02-28 Zhefan Xu , Xiaoyang Zhan , Yumeng Xiu , Christopher Suzuki , Kenji Shimada

Tracking dense 3D motion from monocular videos remains challenging, particularly when aiming for pixel-level precision over long sequences. We introduce DELTA, a novel method that efficiently tracks every pixel in 3D space, enabling…

计算机视觉与模式识别 · 计算机科学 2025-03-03 Tuan Duc Ngo , Peiye Zhuang , Chuang Gan , Evangelos Kalogerakis , Sergey Tulyakov , Hsin-Ying Lee , Chaoyang Wang

This study proposes a novel self-calibration method for eye tracking in a virtual reality (VR) headset. The proposed method is based on the assumptions that the user's viewpoint can freely move and that the points of regard (PoRs) from…

计算机视觉与模式识别 · 计算机科学 2024-04-24 Ryusei Uramune , Sei Ikeda , Hiroki Ishizuka , Osamu Oshiro

We propose a method for 6DoF pose estimation of rigid objects that uses a state-of-the-art deep learning based instance detector to segment object instances in an RGB image, followed by a point-pair based voting method to recover the…

计算机视觉与模式识别 · 计算机科学 2020-11-12 Rebecca König , Bertram Drost

This paper proposes fast and novel methods to jointly estimate the target's unknown 3D shape and dynamics. Measurements are noisy and sparsely distributed 3D points from a light detection and ranging (LiDAR) sensor. The methods utilize…

信号处理 · 电气工程与系统科学 2020-02-05 Benjamin Naujoks , Patrick Burger , Hans-Joachim Wuensche

Reliable detection and tracking of surrounding objects are indispensable for comprehensive motion prediction and planning of autonomous vehicles. Due to the limitations of individual sensors, the fusion of multiple sensor modalities is…

机器人学 · 计算机科学 2023-10-13 Phillip Karle , Felix Fent , Sebastian Huch , Florian Sauerbeck , Markus Lienkamp

This paper deals with the problem of 3D tracking, i.e., to find dense correspondences in a sequence of time-varying 3D shapes. Despite deep learning approaches have achieved promising performance for pairwise dense 3D shapes matching, it is…

计算机视觉与模式识别 · 计算机科学 2020-06-25 Shuaihang Yuan , Xiang Li , Yi Fang

6D object pose tracking has been extensively studied in the robotics and computer vision communities. The most promising solutions, leveraging on deep neural networks and/or filtering and optimization, exhibit notable performance on…

计算机视觉与模式识别 · 计算机科学 2021-11-09 Nicola A. Piga , Yuriy Onyshchuk , Giulia Pasquale , Ugo Pattacini , Lorenzo Natale

Acquiring 3D geometry of real world objects has various applications in 3D digitization, such as navigation and content generation in virtual environments. Image remains one of the most popular media for such visual tasks due to its…

计算机视觉与模式识别 · 计算机科学 2017-01-26 Shuai Du , Youyi Zheng

In this project, we implement a multiple object tracker, following the tracking-by-detection paradigm, as an extension of an existing method. It works by modelling the movement of objects by solving the filtering problem, and associating…

计算机视觉与模式识别 · 计算机科学 2017-10-03 Samuel Murray

We present an online approach to efficiently and simultaneously detect and track the 2D pose of multiple people in a video sequence. We build upon Part Affinity Field (PAF) representation designed for static images, and propose an…

计算机视觉与模式识别 · 计算机科学 2019-06-14 Yaadhav Raaj , Haroon Idrees , Gines Hidalgo , Yaser Sheikh

Many existing visual SLAM methods can achieve high localization accuracy in dynamic environments by leveraging deep learning to mask moving objects. However, these methods incur significant computational overhead as the camera tracking…

机器人学 · 计算机科学 2025-06-18 Yuhao Zhang , Mihai Bujanca , Mikel Luján

3D motion tracking is a critical task in many computer vision applications. Existing 3D motion tracking techniques require either a great amount of knowledge on the target object or specific hardware. These requirements discourage the wide…

计算机视觉与模式识别 · 计算机科学 2011-11-21 Luis Quesada , Alejandro J. León

Visual-based target tracking is easily influenced by multiple factors, such as background clutter, targets fast-moving, illumination variation, object shape change, occlusion, etc. These factors influence the tracking accuracy of a target…

计算机视觉与模式识别 · 计算机科学 2022-04-06 Yanyan Liu , Changcheng Pan , Minglin Bie , Jin Li

State-of-the-art object pose estimation handles multiple instances in a test image by using multi-model formulations: detection as a first stage and then separately trained networks per object for 2D-3D geometric correspondence prediction…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Stefan Thalhammer , Timothy Patten , Markus Vincze

Recently, template-based trackers have become the leading tracking algorithms with promising performance in terms of efficiency and accuracy. However, the correlation operation between query feature and the given template only exploits…

计算机视觉与模式识别 · 计算机科学 2021-11-24 Pengfei Zhu , Hongtao Yu , Kaihua Zhang , Yu Wang , Shuai Zhao , Lei Wang , Tianzhu Zhang , Qinghua Hu

As a core part of autonomous driving systems, motion planning has received extensive attention from academia and industry. However, real-time trajectory planning capable of spatial-temporal joint optimization is challenged by nonholonomic…

机器人学 · 计算机科学 2023-04-11 Zhichao Han , Yuwei Wu , Tong Li , Lu Zhang , Liuao Pei , Long Xu , Chengyang Li , Changjia Ma , Chao Xu , Shaojie Shen , Fei Gao

Vision-based localization is a cost-effective and thus attractive solution for many intelligent mobile platforms. However, its accuracy and especially robustness still suffer from low illumination conditions, illumination changes, and…

机器人学 · 计算机科学 2024-01-17 Yi-Fan Zuo , Wanting Xu , Xia Wang , Yifu Wang , Laurent Kneip

Tracking the pose of an object while it is being held and manipulated by a robot hand is difficult for vision-based methods due to significant occlusions. Prior works have explored using contact feedback and particle filters to localize…

机器人学 · 计算机科学 2020-11-09 Jacky Liang , Ankur Handa , Karl Van Wyk , Viktor Makoviychuk , Oliver Kroemer , Dieter Fox

Multi-object tracking from RGB-D video sequences is a challenging problem due to the combination of changing viewpoints, motion, and occlusions over time. We observe that having the complete geometry of objects aids in their tracking, and…

计算机视觉与模式识别 · 计算机科学 2020-12-17 Norman Müller , Yu-Shiang Wong , Niloy J. Mitra , Angela Dai , Matthias Nießner