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We investigate the factors contributing to departure and arrival delays at a major international airport and develop predictive models to estimate both the likelihood and duration of delays. Using logistic regression, random forest, and…

Physics and Society · Physics 2026-01-06 Xavier Lemay , Fabian Bastin

To model and forecast flight delays accurately, it is crucial to harness various vehicle trajectory and contextual sensor data on airport tarmac areas. These heterogeneous sensor data, if modelled correctly, can be used to generate a…

Machine Learning · Computer Science 2021-11-25 Wei Shao , Arian Prabowo , Sichen Zhao , Piotr Koniusz , Flora D. Salim

This paper presents a safety-assured arrival-scheduling framework for Urban Air Mobility (UAM) corridor operations. We propose an analytical method to compute a sufficient ETA gap at Constrained Waypoints (CWPs) that guarantees longitudinal…

Systems and Control · Electrical Eng. & Systems 2026-05-25 Sasinee Pruekprasert , Shinji Nakadai , Katsuhiro Nishinari

As drone technology advances, using unmanned aerial vehicles for aerial surveys has become the dominant trend in modern low-altitude remote sensing. The surge in aerial video data necessitates accurate prediction for future scenarios and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Liangyu Xu , Wanxuan Lu , Hongfeng Yu , Yongqiang Mao , Hanbo Bi , Chenglong Liu , Xian Sun , Kun Fu

Synthesizing high-quality dynamic medical videos remains a significant challenge due to the need for modeling both spatial consistency and temporal dynamics. Existing Transformer-based approaches face critical limitations, including…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Huihan Wang , Zhiwen Yang , Hui Zhang , Dan Zhao , Bingzheng Wei , Yan Xu

Test-time adaptation (TTA) allows a model to be adapted to an unseen domain without accessing the source data. Due to the nature of practical environments, TTA has a limited amount of data for adaptation. Recent TTA methods further restrict…

Computer Vision and Pattern Recognition · Computer Science 2024-10-21 Younggeol Cho , Youngrae Kim , Junho Yoon , Seunghoon Hong , Dongman Lee

Flying ad hoc networks (FANETs) play a crucial role in numerous military and civil applications since it shortens mission duration and enhances coverage significantly compared with a single unmanned aerial vehicle (UAV). Whereas, designing…

Networking and Internet Architecture · Computer Science 2023-07-03 Yanpeng Cui , Qixun Zhang , Zhiyong Feng , Zhiqing Wei , Ce Shi , Heng Yang

Inspired by biological evolution, we explain the rationality of Vision Transformer by analogy with the proven practical Evolutionary Algorithm (EA) and derive that both of them have consistent mathematical representation. Analogous to the…

Computer Vision and Pattern Recognition · Computer Science 2021-12-20 Jiangning Zhang , Chao Xu , Jian Li , Wenzhou Chen , Yabiao Wang , Ying Tai , Shuo Chen , Chengjie Wang , Feiyue Huang , Yong Liu

En route travel time estimation (ER-TTE) focuses on predicting the travel time of the remaining route. Existing ER-TTE methods always make re-estimation which significantly hinders real-time performance, especially when faced with the…

Artificial Intelligence · Computer Science 2025-04-08 Zekai Shen , Haitao Yuan , Xiaowei Mao , Congkang Lv , Shengnan Guo , Youfang Lin , Huaiyu Wan

Accurate forecasting of passenger flows is critical for maintaining the efficiency and resilience of airport operations. Recent advances in patch-based Transformer models have shown strong potential in various time series forecasting tasks.…

Machine Learning · Computer Science 2025-12-16 Wenbo Du , Lingling Han , Ying Xiong , Ling Zhang , Biyue Li , Yisheng Lv , Tong Guo

Real-time schedulers must reason about tight deadlines under strict compute budgets. We present TempoNet, a reinforcement learning scheduler that pairs a permutation-invariant Transformer with a deep Q-approximation. An Urgency Tokenizer…

Machine Learning · Computer Science 2026-04-15 Rong Fu , Yibo Meng , Guangzhen Yao , Jiaxuan Lu , Zeyu Zhang , Zhaolu Kang , Ziming Guo , Jia Yee Tan , Xiaojing Du , Simon James Fong

Electronic health records (EHR) are irregular, asynchronous multivariate time series. As time-series foundation models increasingly tokenize events rather than discretizing time, the input layout becomes a key design choice. Grids expose…

Machine Learning · Computer Science 2026-03-13 Joohyung Lee , Kwanhyung Lee , Changhun Kim , Eunho Yang

We introduce Ev-TTA, a simple, effective test-time adaptation algorithm for event-based object recognition. While event cameras are proposed to provide measurements of scenes with fast motions or drastic illumination changes, many existing…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Junho Kim , Inwoo Hwang , Young Min Kim

Predicting a driver's cognitive state, or more specifically, modeling a driver's reaction time (RT) in response to the appearance of a potential hazard warrants urgent research. In the last two decades, the electric field that is generated…

Human-Computer Interaction · Computer Science 2019-05-28 Chun-Hsiang Chuang , Zehong Cao , Po-Tsang Chen , Chih-Sheng Huang , Nikhil R. Pal , Chin-Teng Lin

Annually, research teams spend large amounts of money to evaluate the quality of machine translation systems (WMT, inter alia). This is expensive because it requires a lot of expert human labor. In the recently adopted annotation protocol,…

Computation and Language · Computer Science 2025-01-30 Vilém Zouhar , Tom Kocmi , Mrinmaya Sachan

This paper presents a novel framework to accelerate route prediction in Drone-as-a-Service operations through weather-aware deep learning models. While classical path-planning algorithms, such as A* and Dijkstra, provide optimal solutions,…

Machine Learning · Computer Science 2026-01-08 Kamal Mohamed , Lillian Wassim , Ali Hamdi , Khaled Shaban

The task of event detection and classification is central to most information retrieval applications. We show that a Transformer based architecture can effectively model event extraction as a sequence labeling task. We propose a combination…

Computation and Language · Computer Science 2020-09-16 Parul Awasthy , Tahira Naseem , Jian Ni , Taesun Moon , Radu Florian

This paper presents results from the SESAR ER3 Domino project. Three mechanisms are assessed at the ECAC-wide level: 4D trajectory adjustments (a combination of actively waiting for connecting passengers and dynamic cost indexing), flight…

Physics and Society · Physics 2022-09-21 Luis Delgado , Gérald Gurtner , Piero Mazzarisi , Silvia Zaoli , Damir Valput , Andrew Cook , Fabrizio Lillo

Tokenization is associated with many poorly understood shortcomings in language models (LMs), yet remains an important component for long sequence scaling purposes. This work studies how tokenization impacts model performance by analyzing…

Computation and Language · Computer Science 2025-04-15 Buu Phan , Brandon Amos , Itai Gat , Marton Havasi , Matthew Muckley , Karen Ullrich

Error correction codes (ECC) are crucial for ensuring reliable information transmission in communication systems. Choukroun & Wolf (2022b) recently introduced the Error Correction Code Transformer (ECCT), which has demonstrated promising…

Machine Learning · Computer Science 2024-10-10 Matan Levy , Yoni Choukroun , Lior Wolf