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Deep Neural Networks have spearheaded remarkable advancements in time series forecasting (TSF), one of the major tasks in time series modeling. Nonetheless, the non-stationarity of time series undermines the reliability of pre-trained…

机器学习 · 计算机科学 2025-01-10 HyunGi Kim , Siwon Kim , Jisoo Mok , Sungroh Yoon

Dynamic time warping (DTW) is a well-known algorithm for time series elastic dissimilarity measure. Its ability to deal with non-linear time distortions makes it helpful in variety of data mining tasks. Such a task is also anomaly detection…

机器学习 · 计算机科学 2023-10-05 Matej Kloska , Gabriela Grmanova , Viera Rozinajova

Predicting the performance of highly configurable software systems is the foundation for performance testing and quality assurance. To that end, recent work has been relying on machine/deep learning to model software performance. However, a…

软件工程 · 计算机科学 2024-02-06 Jingzhi Gong , Tao Chen

Urban spatio-temporal (ST) forecasting is crucial for various urban applications such as intelligent scheduling and trip planning. Previous studies focus on modeling ST correlations among urban locations in offline settings, which often…

机器学习 · 计算机科学 2024-11-26 Chengxin Wang , Gary Tan , Swagato Barman Roy , Beng Chin Ooi

We consider discrete-time (DT) systems S in which a DT input is first tranformed to a continuous-time (CT) format by phase-amplitude modulation, then modified by a non-linear CT dynamical transformation F, and finally converted back to DT…

系统与控制 · 计算机科学 2014-11-06 Omer Tanovic , Alexandre Megretski , Yan Li , Vladimir M. Stojanovic , Mitra Osqui

Shapelets are discriminative subsequences (or shapes) with high interpretability in time series classification. Due to the time-intensive nature of shapelet discovery, existing shapelet-based methods mainly focus on selecting discriminative…

机器学习 · 计算机科学 2025-06-04 Zhen Liu , Yicheng Luo , Boyuan Li , Emadeldeen Eldele , Min Wu , Qianli Ma

Tasking machine learning to predict segments of a time series requires estimating the parameters of a ML model with input/output pairs from the time series. Using the equivalence between statistical data assimilation and supervised machine…

机器学习 · 计算机科学 2019-06-18 Alexander J. A. Ty , Zheng Fang , Rivver A. Gonzalez , Paul J. Rozdeba , Henry D. I. Abarbanel

Video generation models have achieved notable progress in static scenarios, yet their performance in motion video generation remains limited, with quality degrading under drastic dynamic changes. This is due to noise disrupting temporal…

计算机视觉与模式识别 · 计算机科学 2026-01-29 Meiqi Wu , Bingze Song , Ruimin Lin , Chen Zhu , Xiaokun Feng , Jiahong Wu , Xiangxiang Chu , Kaiqi Huang

Recent advances in deep learning have pushed the performances of visual saliency models way further than it has ever been. Numerous models in the literature present new ways to design neural networks, to arrange gaze pattern data, or to…

计算机视觉与模式识别 · 计算机科学 2019-07-05 Alexandre Bruckert , Hamed R. Tavakoli , Zhi Liu , Marc Christie , Olivier Le Meur

Time-series representation learning is a fundamental task for time-series analysis. While significant progress has been made to achieve accurate representations for downstream applications, the learned representations often lack…

机器学习 · 计算机科学 2021-05-24 Yuening Li , Zhengzhang Chen , Daochen Zha , Mengnan Du , Denghui Zhang , Haifeng Chen , Xia Hu

Consider an unknown nonlinear dynamical system that is known to be dissipative. The objective of this paper is to learn a neural dynamical model that approximates this system, while preserving the dissipativity property in the model. In…

机器学习 · 计算机科学 2024-04-09 Yuezhu Xu , S. Sivaranjani

Estimating longitudinal treatment effects is essential for sequential decision-making but is challenging due to treatment-confounder feedback. While Iterative Conditional Expectation (ICE) G-computation offers a principled approach, its…

机器学习 · 计算机科学 2026-02-16 Wenxin Chen , Weishen Pan , Kyra Gan , Fei Wang

Effective long-term predictions have been increasingly demanded in urban-wise data mining systems. Many practical applications, such as accident prevention and resource pre-allocation, require an extended period for preparation. However,…

信息检索 · 计算机科学 2020-06-17 Haoxing Lin , Rufan Bai , Weijia Jia , Xinyu Yang , Yongjian You

Optimization is an important module of modern machine learning applications. Tremendous efforts have been made to accelerate optimization algorithms. A common formulation is achieving a lower loss at a given time. This enables a…

机器学习 · 计算机科学 2025-05-29 Zhonglin Xie , Yiman Fong , Haoran Yuan , Zaiwen Wen

We propose a unified framework for delay differential equations (DDEs) based on deep neural networks (DNNs) - the neural delay differential equations (NDDEs), aimed at solving the forward and inverse problems of delay differential…

机器学习 · 计算机科学 2024-08-27 Housen Wang , Yuxing Chen , Sirong Cao , Xiaoli Wang , Qiang Liu

Miscalibration - a mismatch between a model's confidence and its correctness - of Deep Neural Networks (DNNs) makes their predictions hard to rely on. Ideally, we want networks to be accurate, calibrated and confident. We show that, as…

Despite the rapid progress on research in adversarial robustness of deep neural networks (DNNs), there is little principled work for the time-series domain. Since time-series data arises in diverse applications including mobile health,…

机器学习 · 计算机科学 2023-05-10 Taha Belkhouja , Yan Yan , Janardhan Rao Doppa

State-of-the-art fully intrinsic networks for non-rigid shape matching often struggle to disambiguate the symmetries of the shapes leading to unstable correspondence predictions. Meanwhile, recent advances in the functional map framework…

计算机视觉与模式识别 · 计算机科学 2022-04-29 Nicolas Donati , Etienne Corman , Maks Ovsjanikov

With the advancement of deepfake generation techniques, the importance of deepfake detection in protecting multimedia content integrity has become increasingly obvious. Recently, temporal inconsistency clues have been explored to improve…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Fan Nie , Jiangqun Ni , Jian Zhang , Bin Zhang , Weizhe Zhang

We propose a novel deep neural network (DNN) based approximation architecture to learn estimates of measurements. We detail an algorithm that enables training of the DNN. The DNN estimator only uses measurements, if and when they are…

机器学习 · 计算机科学 2022-09-13 Shivangi Agarwal , Sanjit K. Kaul , Saket Anand , P. B. Sujit