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While deep learning has been very successful in computer vision, real world operating conditions such as lighting variation, background clutter, or occlusion hinder its accuracy across several tasks. Prior work has shown that hybrid models…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Kawisorn Kamtue , Jose M. F. Moura , Orathai Sangpetch , Paulo Garcia

Image-free tracking methods based on single-pixel detectors (SPDs) can track a moving object at a very high frame rate, but they rarely can achieve simultaneous imaging of such an object. In this study, we propose a method for…

光学 · 物理学 2023-02-15 Shijian Li , Yan Cai , Yeliang Wang , Xu-ri Yao , Qing Zhao

We address the problem of making human motion capture in the wild more practical by using a small set of inertial sensors attached to the body. Since the problem is heavily under-constrained, previous methods either use a large number of…

计算机视觉与模式识别 · 计算机科学 2017-03-27 Timo von Marcard , Bodo Rosenhahn , Michael J. Black , Gerard Pons-Moll

Unlike standard cameras that send intensity images at a constant frame rate, event-driven cameras asynchronously report pixel-level brightness changes, offering low latency and high temporal resolution (both in the order of micro-seconds).…

计算机视觉与模式识别 · 计算机科学 2021-06-30 Valentina Vasco , Arren Glover , Elias Mueggler , Davide Scaramuzza , Lorenzo Natale , Chiara Bartolozzi

A new high-precision eye-tracking method has been demonstrated recently by tracking the motion of iris features rather than by exploiting pupil edges. While the method provides high precision, it suffers from temporal drift, an inability to…

计算机视觉与模式识别 · 计算机科学 2020-09-22 Aayush K. Chaudhary , Jeff B. Pelz

This work presents an approach for modelling and tracking previously unseen objects for robotic grasping tasks. Using the motion of objects in a scene, our approach segments rigid entities from the scene and continuously tracks them to…

机器人学 · 计算机科学 2022-08-24 Christian Rauch , Ran Long , Vladimir Ivan , Sethu Vijayakumar

3D Multi-object tracking (MOT) empowers mobile robots to accomplish well-informed motion planning and navigation tasks by providing motion trajectories of surrounding objects. However, existing 3D MOT methods typically employ a single…

机器人学 · 计算机科学 2023-08-01 Xiaoyu Li , Tao Xie , Dedong Liu , Jinghan Gao , Kun Dai , Zhiqiang Jiang , Lijun Zhao , Ke Wang

Tracking people in a video sequence is one of the fields of interest in computer vision. It has broad applications in motion capture and surveillance. However, due to the complexity of human dynamic structure, detecting and tracking are not…

图像与视频处理 · 电气工程与系统科学 2018-06-19 Hiliwi Leake Kidane

This paper presents a new algorithm to track mobile objects in different scene conditions. The main idea of the proposed tracker includes estimation, multi-features similarity measures and trajectory filtering. A feature set (distance,…

计算机视觉与模式识别 · 计算机科学 2011-06-15 Duc Phu Chau , François Bremond , Monique Thonnat , Etienne Corvee

Conventional radar feature extraction faces limitations due to low spatial resolution, noise, multipath reflection, the presence of ghost targets, and motion blur. Such limitations can be exacerbated by nonlinear object motion, particularly…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Ryoma Yataka , Pu Perry Wang , Petros Boufounos , Ryuhei Takahashi

Environment modeling utilizing sensor data fusion and object tracking is crucial for safe automated driving. In recent years, the classical occupancy grid map approach, which assumes a static environment, has been extended to dynamic…

计算机视觉与模式识别 · 计算机科学 2021-01-12 Christopher Diehl , Eduard Feicho , Alexander Schwambach , Thomas Dammeier , Eric Mares , Torsten Bertram

Mobile autonomy relies on the precise perception of dynamic environments. Robustly tracking moving objects in 3D world thus plays a pivotal role for applications like trajectory prediction, obstacle avoidance, and path planning. While most…

计算机视觉与模式识别 · 计算机科学 2024-03-14 Zhijun Pan , Fangqiang Ding , Hantao Zhong , Chris Xiaoxuan Lu

Multi-object tracking (MOT) has important applications in monitoring, logistics, and other fields. This paper develops a real-time multi-object tracking and prediction system in rugged environments. A 3D object detection algorithm based on…

机器人学 · 计算机科学 2023-08-24 Shixing Huang , Zhihao Wang , Junyuan Ouyang , Haoyao Chen

The growing proliferation of unmanned aerial vehicles (UAVs) poses major challenges for reliable airspace surveillance, as drones are typically small, have low radar cross-sections, and often move slowly in cluttered environments. These…

信号处理 · 电气工程与系统科学 2026-04-16 Anders Malthe Westerkam , Jakob Möderl , Erik Leitinger , Troels Pedersen

A Flying Bird Object Detection algorithm Based on Motion Information (FBOD-BMI) is proposed to solve the problem that the features of the object are not obvious in a single frame, and the size of the object is small (low Signal-to-Noise…

计算机视觉与模式识别 · 计算机科学 2024-08-30 Ziwei Sun , Zexi Hua , Hengcao Li , Haiyan Zhong

Autonomous vehicles often perceive the environment by feeding sensor data to a learned detector algorithm, then feeding detections to a multi-object tracker that models object motions over time. Probabilistic models of multi-object trackers…

机器人学 · 计算机科学 2019-09-19 Michael Motro , Joydeep Ghosh

Multi-object tracking (MOT) in computer vision remains a significant challenge, requiring precise localization and continuous tracking of multiple objects in video sequences. The emergence of data sets that emphasize robust…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Thuc Nguyen-Quang , Minh-Triet Tran

In this paper we address the problem of tracking non-rigid objects whose local appearance and motion changes as a function of time. This class of objects includes dynamic textures such as steam, fire, smoke, water, etc., as well as…

计算机视觉与模式识别 · 计算机科学 2012-04-23 Rizwan Chaudhry , Gregory Hager , Rene Vidal

We consider the problem of tracking moving targets using mobile wireless sensors (of possibly different types). This is a joint estimation and control problem in which a tracking system must take into account both target and sensor…

信号处理 · 电气工程与系统科学 2025-03-03 Jingwei Hu , Dave Zachariah , Petre Stoica

Maintaining social distancing norms between humans has become an indispensable precaution to slow down the transmission of COVID-19. We present a novel method to automatically detect pairs of humans in a crowded scenario who are not…

机器人学 · 计算机科学 2020-08-25 Adarsh Jagan Sathyamoorthy , Utsav Patel , Yash Ajay Savle , Moumita Paul , Dinesh Manocha