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Data series similarity search is an important operation and at the core of several analysis tasks and applications related to data series collections. Despite the fact that data series indexes enable fast similarity search, all existing…

Databases · Computer Science 2020-09-23 Michele Linardi , Themis Palpanas

Deep Learning (DL) has brought significant advances to robotics vision tasks. However, most existing DL methods have a major shortcoming, they rely on a static inference paradigm inherent in traditional computer vision pipelines. On the…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Stefanos Ginargiros , Nikolaos Passalis , Anastasios Tefas

This paper proposes an informative trajectory planning approach, namely, \textit{adaptive particle filter tree with sigma point-based mutual information reward approximation} (ASPIRe), for mobile target search and tracking (SAT) in…

Robotics · Computer Science 2024-03-05 Kangjie Zhou , Pengying Wu , Yao Su , Han Gao , Ji Ma , Hangxin Liu , Chang Liu

The importance of an efficient and scalable document similarity detection system is undeniable nowadays. Search engines need batch text similarity measures to detect duplicated and near-duplicated web pages in their indexes in order to…

Information Retrieval · Computer Science 2018-10-09 Hamid Mohammadi , Amin Nikoukaran

Trajectory prediction is a crucial element of guidance, navigation, and control systems. This paper presents two novel trajectory-prediction methods based on real-time position measurements and adaptive input and state estimation (AISE).…

Systems and Control · Electrical Eng. & Systems 2025-01-09 Shashank Verma , Dennis S. Bernstein

Autonomous surface vehicles (ASVs) are influenced by environmental disturbances such as wind and waves, making accurate trajectory tracking a persistent challenge in dynamic marine conditions. In this paper, we propose an efficient…

Robotics · Computer Science 2026-02-03 Yinan Dong , Ziyu Xu , Tsimafei Lazouski , Sangli Teng , Maani Ghaffari

Active visual SLAM finds a wide array of applications in GNSS-Denied sub-terrain environments and outdoor environments for ground robots. To achieve robust localization and mapping accuracy, it is imperative to incorporate the perception…

Robotics · Computer Science 2024-01-18 Suchetan Saravanan , Corentin Chauffaut , Caroline Chanel , Damien Vivet

Trajectory similarity is fundamental to many spatio-temporal data mining applications. Recent studies propose deep learning models to approximate conventional trajectory similarity measures, exploiting their fast inference time once…

Machine Learning · Computer Science 2025-07-08 Yanchuan Chang , Xu Cai , Christian S. Jensen , Jianzhong Qi

Accurate recognition of vessel types from Automatic Identification System (AIS) tracks is essential for safety oversight and combating illegal, unreported, and unregulated (IUU) activity. This paper presents a strait-scale, machine-learning…

Machine Learning · Computer Science 2025-09-24 Jonatan Katz Nielsen

Particle tracking is among the most sophisticated and complex part of the full event reconstruction chain. A number of reconstruction algorithms work in a sequence to build these trajectories from detector hits. These algorithms use many…

High Energy Physics - Experiment · Physics 2023-12-11 Rocky Bala Garg , Corentin Allaire , Andreas Salzburger , Hadrien Grasland , Lauren Tompkins , Elyssa Hofgard

Safety-critical applications such as autonomous vehicles and social robots require fast computation and accurate probability density estimation on trajectory prediction. To address both requirements, this paper presents a new normalizing…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Takahiro Maeda , Norimichi Ukita

Recently, an audio-visual instance segmentation (AVIS) task has been introduced, aiming to identify, segment and track individual sounding instances in videos. However, prevailing methods primarily adopt the offline paradigm, that cannot…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Yingjian Zhu , Ying Wang , Yuyang Hong , Ruohao Guo , Kun Ding , Xin Gu , Bin Fan , Shiming Xiang

Adversarial camouflage has garnered attention for its ability to attack object detectors from any viewpoint by covering the entire object's surface. However, universality and robustness in existing methods often fall short as the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Naufal Suryanto , Yongsu Kim , Harashta Tatimma Larasati , Hyoeun Kang , Thi-Thu-Huong Le , Yoonyoung Hong , Hunmin Yang , Se-Yoon Oh , Howon Kim

Forecasting future trajectories of agents in complex traffic scenes requires reliable and efficient predictions for all agents in the scene. However, existing methods for trajectory prediction are either inefficient or sacrifice accuracy.…

Computer Vision and Pattern Recognition · Computer Science 2023-07-27 Görkay Aydemir , Adil Kaan Akan , Fatma Güney

Large-scale industrial recommendation systems typically employ a two-stage paradigm of retrieval and ranking to handle huge amounts of information. Recent research focuses on improving the performance of retrieval model. A promising way is…

Information Retrieval · Computer Science 2025-08-21 Chengcheng Guo , Junda She , Kuo Cai , Shiyao Wang , Qigen Hu , Qiang Luo , Kun Gai , Guorui Zhou

Human trajectory anomaly detection has become increasingly important across a wide range of applications, including security surveillance and public health. However, existing trajectory anomaly detection methods are primarily focused on…

Machine Learning · Computer Science 2024-11-05 Yueyang Liu , Lance Kennedy , Hossein Amiri , Andreas Züfle

Visual-inertial odometry (VIO) is widely used in various fields, such as robots, drones, and autonomous vehicles. However, real-world scenes often feature dynamic objects, compromising the accuracy of VIO. The diversity and partial…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Rui Zhou , Jingbin Liu , Junbin Xie , Jianyu Zhang , Yingze Hu , Jiele Zhao

A current-aided inertial navigation framework is proposed for small autonomous underwater vehicles in long-duration operations (> 1 hour), where neither frequent surfacing nor consistent bottom-tracking are available. We instantiate this…

Robotics · Computer Science 2017-10-17 Zhuoyuan Song , Kamran Mohseni

Robust Policy Search is the problem of learning policies that do not degrade in performance when subject to unseen environment model parameters. It is particularly relevant for transferring policies learned in a simulation environment to…

Machine Learning · Computer Science 2021-11-23 Sai Kiran Narayanaswami , Nandan Sudarsanam , Balaraman Ravindran

Video Instance Segmentation (VIS) is a task that simultaneously requires classification, segmentation, and instance association in a video. Recent VIS approaches rely on sophisticated pipelines to achieve this goal, including RoI-related…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Zhengkai Jiang , Zhangxuan Gu , Jinlong Peng , Hang Zhou , Liang Liu , Yabiao Wang , Ying Tai , Chengjie Wang , Liqing Zhang