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A class of data-driven control methods has recently emerged based on Willems' fundamental lemma. Such methods can ease the modelling burden in control design but can be sensitive to disturbances acting on the system under control. In this…

Systems and Control · Electrical Eng. & Systems 2022-12-06 Edward O'Dwyer , Eric C. Kerrigan , Paola Falugi , Marta A. Zagorowska , Nilay Shah

This paper comprehensively surveys the development of trajectory clustering. Considering the critical role of trajectory data mining in modern intelligent systems for surveillance security, abnormal behavior detection, crowd behavior…

Computer Vision and Pattern Recognition · Computer Science 2018-02-21 Jiang Bian , Dayong Tian , Yuanyan Tang , Dacheng Tao

Semantic segmentation consists of predicting a semantic label for each image pixel. While existing deep learning approaches achieve high accuracy, they often overlook the ordinal relationships between classes, which can provide critical…

Computer Vision and Pattern Recognition · Computer Science 2025-02-06 Ricardo P. M. Cruz , Rafael Cristino , Jaime S. Cardoso

We present a weakly supervised instance segmentation algorithm based on deep community learning with multiple tasks. This task is formulated as a combination of weakly supervised object detection and semantic segmentation, where individual…

Computer Vision and Pattern Recognition · Computer Science 2020-11-19 Jaedong Hwang , Seohyun Kim , Jeany Son , Bohyung Han

Streaming process mining deals with the real-time analysis of event streams. A common approach for it is to adopt windowing mechanisms that select event data from a stream for subsequent analysis. However, the size of these windows denotes…

Segmented models are widely used to describe non-stationary sequential data with discrete change points. Their estimation usually requires solving a mixed discrete-continuous optimization problem, where the segmentation is the discrete part…

Machine Learning · Computer Science 2021-01-19 Erik Scharwächter , Jonathan Lennartz , Emmanuel Müller

Random splitting of datasets in image segmentation often leads to unrepresentative test sets, resulting in biased evaluations and poor model generalization. While stratified sampling has proven effective for addressing label distribution…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Naga Venkata Sai Jitin Jami , Thomas Altstidl , Jonas Mueller , Jindong Li , Dario Zanca , Bjoern Eskofier , Heike Leutheuser

Sliding-window aggregation is a widely-used approach for extracting insights from the most recent portion of a data stream. The aggregations of interest can usually be expressed as binary operators that are associative but not necessarily…

Databases · Computer Science 2020-09-30 Kanat Tangwongsan , Martin Hirzel , Scott Schneider

Semantic segmentation for scene understanding is nowadays widely demanded, raising significant challenges for the algorithm efficiency, especially its applications on resource-limited platforms. Current segmentation models are trained and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Chaojian Li , Wuyang Chen , Yuchen Gu , Tianlong Chen , Yonggan Fu , Zhangyang Wang , Yingyan Celine Lin

Ensuring the safety of all traffic participants is a prerequisite for bringing intelligent vehicles closer to practical applications. The assistance system should not only achieve high accuracy under normal conditions, but obtain robust…

Computer Vision and Pattern Recognition · Computer Science 2021-12-10 Jiaming Zhang , Kailun Yang , Rainer Stiefelhagen

Semantic segmentation of motion capture sequences plays a key part in many data-driven motion synthesis frameworks. It is a preprocessing step in which long recordings of motion capture sequences are partitioned into smaller segments.…

Computer Vision and Pattern Recognition · Computer Science 2018-07-17 Noshaba Cheema , Somayeh Hosseini , Janis Sprenger , Erik Herrmann , Han Du , Klaus Fischer , Philipp Slusallek

Deep learning algorithms have become the golden standard for segmentation of medical imaging data. In most works, the variability and heterogeneity of real clinical data is acknowledged to still be a problem. One way to automatically…

Image and Video Processing · Electrical Eng. & Systems 2022-02-25 Arkadiy Dushatskiy , Gerry Lowe , Peter A. N. Bosman , Tanja Alderliesten

The Automatic Identification System (AIS) enables data-driven maritime surveillance but suffers from reliability issues and irregular intervals. We address vessel destination estimation using global-scope AIS data by proposing a…

Machine Learning · Computer Science 2025-12-16 Jin Sob Kim , Hyun Joon Park , Wooseok Shin , Dongil Park , Sung Won Han

Time series segmentation (TSS) is one of the time series (TS) analysis techniques, that has received considerably less attention compared to other TS related tasks. In recent years, deep learning architectures have been introduced for TSS,…

Machine Learning · Computer Science 2026-02-20 Ivana Kesić , Carolina Fortuna , Mihael Mohorčič , Blaž Bertalanič

Time series segmentation, a.k.a. multiple change-point detection, is a well-established problem. However, few solutions are designed specifically for high-dimensional situations. In this paper, our interest is in segmenting the second-order…

Methodology · Statistics 2016-11-29 Haeran Cho , Piotr Fryzlewicz

Trajectory prediction is a fundamental and challenging task for numerous applications, such as autonomous driving and intelligent robots. Currently, most of existing work treat the pedestrian trajectory as a series of fixed two-dimensional…

Computer Vision and Pattern Recognition · Computer Science 2021-03-17 Pei Lv , Hui Wei , Tianxin Gu , Yuzhen Zhang , Xiaoheng Jiang , Bing Zhou , Mingliang Xu

This paper presents Walk the Lines 2 (WtL2), a unique contour tracking algorithm specifically adapted for detailed segmentation of infrared (IR) ships and various objects in RGB.1 This extends the original Walk the Lines (WtL) [12], which…

Computer Vision and Pattern Recognition · Computer Science 2025-11-10 André Peter Kelm , Max Braeschke , Emre Gülsoylu , Simone Frintrop

Unsupervised video segmentation plays an important role in a wide variety of applications from object identification to compression. However, to date, fast motion, motion blur and occlusions pose significant challenges. To address these…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Yuan-Ting Hu , Jia-Bin Huang , Alexander G. Schwing

Identifying mobility behaviors in rich trajectory data is of great economic and social interest to various applications including urban planning, marketing and intelligence. Existing work on trajectory clustering often relies on similarity…

Machine Learning · Computer Science 2020-03-04 Mingxuan Yue , Yaguang Li , Haoze Yang , Ritesh Ahuja , Yao-Yi Chiang , Cyrus Shahabi

We present analysis techniques for large trajectory data sets that aim to provide a semantic understanding of trajectories reaching beyond them being point sequences in time and space. The presented techniques use a driving preference model…

Robotics · Computer Science 2020-11-12 Florian Barth , Stefan Funke , Tobias Skovgaard Jepsen , Claudius Proissl