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Missing instances in time series data impose a significant challenge to deep learning models, particularly in regression tasks. In the Earth Observation field, satellite failure or cloud occlusion frequently results in missing time-steps,…

Machine Learning · Computer Science 2025-09-12 Miro Miranda , Francisco Mena , Andreas Dengel

Model predictive control (MPC) has been applied to many platforms in robotics and autonomous systems for its capability to predict a system's future behavior while incorporating constraints that a system may have. To enhance the performance…

Robotics · Computer Science 2024-07-08 Ran Tao , Sheng Cheng , Xiaofeng Wang , Shenlong Wang , Naira Hovakimyan

Industrial prognostics focuses on utilizing degradation signals to forecast and continually update the residual useful life of complex engineering systems. However, existing prognostic models for systems with multiple failure modes face…

Machine Learning · Computer Science 2025-01-15 Yuqi Su , Xiaolei Fang

The reliability of machine learning (ML) software systems is heavily influenced by changes in data over time. For that reason, ML systems require regular maintenance, typically based on model retraining. However, retraining requires…

Machine Learning · Computer Science 2025-06-18 Lorena Poenaru-Olaru , June Sallou , Luis Cruz , Jan Rellermeyer , Arie van Deursen

Ocean exploration places high demands on autonomous underwater vehicles, especially when there's observation delay. We propose age of information optimized Markov decision process (AoI-MDP) to enhance underwater tasks by modeling…

Systems and Control · Electrical Eng. & Systems 2026-05-19 Yimian Ding , Jingzehua Xu , Yiyuan Yang , Guanwen Xie , Xinqi Wang , Shuai Zhang

Computer-aided diagnosis systems must make critical decisions from medical images that are often noisy, ambiguous, or conflicting, yet today's models are trained on overly simplistic labels that ignore diagnostic uncertainty. One-hot labels…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Ang Nan Gu , Michael Tsang , Hooman Vaseli , Purang Abolmaesumi , Teresa Tsang

Bayesian finite mixture models can identify discrete risk clusters (low-risk vs. high-risk equipment), but face three critical bottlenecks: (1) insufficient degradation signals from coarse state discretization, (2) unstable cluster…

Machine Learning · Computer Science 2026-04-29 Takato Yasuno

Mechanistic dynamic models allow for a quantitative and systematic interpretation of data and the generation of testable hypotheses. However, these models are often over-parameterized, leading to non-identifiability and non-observability,…

Systems and Control · Electrical Eng. & Systems 2020-12-21 Gemma Massonis , Julio R. Banga , Alejandro F. Villaverde

A significant challenge in maintaining real-world machine learning models is responding to the continuous and unpredictable evolution of data. Most practitioners are faced with the difficult question: when should I retrain or update my…

Machine Learning · Computer Science 2025-05-22 Regol Florence , Schwinn Leo , Sprague Kyle , Coates Mark , Markovich Thomas

Masked Autoencoders (MAEs) learn rich low-level representations from unlabeled data but require substantial labeled data to effectively adapt to downstream tasks. Conversely, Instance Discrimination (ID) emphasizes high-level semantics,…

Sound · Computer Science 2024-03-15 Afrina Tabassum , Dung Tran , Trung Dang , Ismini Lourentzou , Kazuhito Koishida

Anomaly detection is fundamental for ensuring quality control and operational efficiency in industrial environments, yet conventional approaches face significant challenges when training data contains mislabeled samples-a common occurrence…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Muhammad Aqeel , Shakiba Sharifi , Marco Cristani , Francesco Setti

Language models often struggle with temporal misalignment, performance degradation caused by shifts in the temporal distribution of data. Continuously updating models to avoid degradation is expensive. Can models be adapted without updating…

Machine Learning · Computer Science 2025-03-26 Changho Shin , Xinya Yan , Suenggwan Jo , Sungjun Cho , Shourjo Aditya Chaudhuri , Frederic Sala

Automatic medical image segmentation plays a critical role in scientific research and medical care. Existing high-performance deep learning methods typically rely on large training datasets with high-quality manual annotations, which are…

Image and Video Processing · Electrical Eng. & Systems 2021-11-17 Shanshan Wang , Cheng Li , Rongpin Wang , Zaiyi Liu , Meiyun Wang , Hongna Tan , Yaping Wu , Xinfeng Liu , Hui Sun , Rui Yang , Xin Liu , Jie Chen , Huihui Zhou , Ismail Ben Ayed , Hairong Zheng

Safety goes first. Meeting and maintaining industry safety standards for robustness of artificial intelligence (AI) and machine learning (ML) models require continuous monitoring for faults and performance drops. Deep learning models are…

Machine Learning · Computer Science 2023-02-03 Aria Khademi , Michael Hopka , Devesh Upadhyay

To train the change detector, bi-temporal images taken at different times in the same area are used. However, collecting labeled bi-temporal images is expensive and time consuming. To solve this problem, various unsupervised change…

Computer Vision and Pattern Recognition · Computer Science 2022-04-06 Hyeoncheol Noh , Jingi Ju , Minseok Seo , Jongchan Park , Dong-Geol Choi

Road infrastructure maintenance inspection is typically a labour-intensive and critical task to ensure the safety of all the road users. In this work, we propose a detailed methodology to use state-of-the-art techniques in artificial…

Computer Vision and Pattern Recognition · Computer Science 2021-06-07 Ratnajit Mukherjee , Haris Iqbal , Shabbir Marzban , Ahmed Badar , Terence Brouns , Shruthi Gowda , Elahe Arani , Bahram Zonooz

We present a data-driven optimization approach for robotic controlled deposition with a degradable tool. Existing methods make the assumption that the tool tip is not changing or is replaced frequently. Errors can accumulate over time as…

Robotics · Computer Science 2023-05-29 Tony Zheng , Monimoy Bujarbaruah , Francesco Borrelli

Pre-trained foundation models, due to their enormous capacity and exposure to vast amounts of data during pre-training, are known to have learned plenty of real-world concepts. An important step in making these pre-trained models effective…

Machine Learning · Computer Science 2024-07-02 Jishnu Mukhoti , Yarin Gal , Philip H. S. Torr , Puneet K. Dokania

Health indicators (HIs) are central to diagnosing and prognosing the condition of aerospace composite structures, enabling efficient maintenance and operational safety. However, extracting reliable HIs remains challenging due to variability…

Recursive learning -- where models are trained on data generated by previous versions of themselves -- is increasingly common in large language models, autonomous agents, and self-supervised systems. However, standard performance metrics…

Machine Learning · Computer Science 2026-05-20 Zhipeng Zhang