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Understanding causal relationships in multivariate time series (MTS) is essential for effective decision-making in fields such as finance and marketing, where complex dependencies and lagged effects challenge conventional analytical…

机器学习 · 计算机科学 2025-07-15 Meriem Zerkouk , Miloud Mihoubi , Belkacem Chikhaoui

Multivariate time series in domains such as finance, climate science, and healthcare often exhibit long-term trends, seasonal patterns, and short-term fluctuations, complicating causal inference under non-stationarity and autocorrelation.…

机器学习 · 计算机科学 2026-04-29 Muhammad Hasan Ferdous , Md Osman Gani

Despite the promise of foundation models in medical AI, current systems remain limited - they are modality-specific and lack transparent reasoning processes, hindering clinical adoption. To address this gap, we present EVLF-FM, a multimodal…

A central goal in systems biology and drug discovery is to predict the transcriptional response of cells to perturbations. This task is challenging due to the noisy and sparse nature of single-cell measurements, as well as the fact that…

定量方法 · 定量生物学 2026-02-10 Chenglei Yu , Chuanrui Wang , Bangyan Liao , Tailin Wu

Recent advances in motion diffusion models have substantially improved the realism of human motion synthesis. However, existing approaches either rely on full-sequence diffusion models with bidirectional generation, which limits temporal…

计算机视觉与模式识别 · 计算机科学 2026-02-27 Qing Yu , Akihisa Watanabe , Kent Fujiwara

This paper considers learning the hidden causal network of a linear networked dynamical system (NDS) from the time series data at some of its nodes -- partial observability. The dynamics of the NDS are driven by colored noise that generates…

机器学习 · 计算机科学 2024-02-13 Augusto Santos , Diogo Rente , Rui Seabra , José M. F. Moura

Forecasting faithful trajectories of multivariate time series from practical scopes is essential for reasonable decision-making. Recent methods majorly tailor generative conditional diffusion models to estimate the target temporal…

机器学习 · 计算机科学 2024-10-04 Siyang Li , Yize Chen , Hui Xiong

We consider systems under uncertainty whose dynamics are partially unknown. Our aim is to study satisfaction of temporal logic properties by trajectories of such systems. We express these properties as signal temporal logic formulas and…

系统与控制 · 电气工程与系统科学 2020-05-12 Ali Salamati , Sadegh Soudjani , Majid Zamani

Software vulnerability detection can be formulated as a binary classification problem that determines whether a given code snippet contains security defects. Existing multimodal methods typically fuse Natural Code Sequence (NCS)…

软件工程 · 计算机科学 2026-04-24 Yun Bian , Yi Chen , HaiQuan Wang , ShiHao Li , Zhe Cui

Event cameras offer unique advantages for vision tasks in challenging environments, yet processing asynchronous event streams remains an open challenge. While existing methods rely on specialized architectures or resource-intensive…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Ruihao Xia , Junhong Cai , Luziwei Leng , Liuyi Wang , Chengju Liu , Ran Cheng , Yang Tang , Pan Zhou

Time series data is prevalent in a wide variety of real-world applications and it calls for trustworthy and explainable models for people to understand and fully trust decisions made by AI solutions. We consider the problem of building…

机器学习 · 计算机科学 2020-11-25 Tsung-Yu Hsieh , Suhang Wang , Yiwei Sun , Vasant Honavar

Block-wise discrete diffusion offers an attractive balance between parallel generation and causal dependency modeling, making it a promising backbone for vision-language modeling. However, its practical adoption has been limited by high…

计算机视觉与模式识别 · 计算机科学 2025-12-17 Shuang Cheng , Yuhua Jiang , Zineng Zhou , Dawei Liu , Wang Tao , Linfeng Zhang , Biqing Qi , Bowen Zhou

Existing Video Corpus Moment Retrieval (VCMR) is limited to coarse-grained understanding, which hinders precise video moment localization when given fine-grained queries. In this paper, we propose a more challenging fine-grained VCMR…

计算机视觉与模式识别 · 计算机科学 2024-10-14 Houlun Chen , Xin Wang , Hong Chen , Zeyang Zhang , Wei Feng , Bin Huang , Jia Jia , Wenwu Zhu

Time-series causal discovery (TSCD) is a fundamental problem of machine learning. However, existing synthetic datasets cannot properly evaluate or predict the algorithms' performance on real data. This study introduces the CausalTime…

机器学习 · 计算机科学 2023-10-04 Yuxiao Cheng , Ziqian Wang , Tingxiong Xiao , Qin Zhong , Jinli Suo , Kunlun He

The data-driven recovery of the unknown governing equations of dynamical systems has recently received an increasing interest. However, the identification of governing equations remains challenging when dealing with noisy and partial…

机器学习 · 计算机科学 2021-02-17 Duong Nguyen , Said Ouala , Lucas Drumetz , Ronan Fablet

The detection of anomalies in non-stationary time-series streams is a critical but challenging task across numerous industrial and scientific domains. Traditional models, trained offline, suffer significant performance degradation when…

机器学习 · 计算机科学 2025-09-01 Ashok Devireddy , Shunping Huang

Diagnosis of bearing faults is paramount to reducing maintenance costs and operational breakdowns. Bearing faults are primary contributors to machine vibrations, and analyzing their signal morphology offers insights into their health…

机器学习 · 计算机科学 2026-01-21 Mohammad Al-Sa'd , Tuomas Jalonen , Serkan Kiranyaz , Moncef Gabbouj

Causal discovery methods aim to determine the causal direction between variables using observational data. Functional causal discovery methods, such as those based on the Linear Non-Gaussian Acyclic Model (LiNGAM), rely on structural and…

统计方法学 · 统计学 2024-09-27 Shreya Prakash , Fan Xia , Elena Erosheva

Medical time series datasets feature missing values that need data imputation methods, however, conventional machine learning models fall short due to a lack of uncertainty quantification in predictions. Among these models, the CATSI…

机器学习 · 计算机科学 2024-10-07 Omkar Kulkarni , Rohitash Chandra

Long video understanding remains challenging due to its complex, diverse, and temporally scattered content. Although video large language models (Video-LLMs) can process videos lasting tens of minutes, applying them to truly long sequences…

计算机视觉与模式识别 · 计算机科学 2025-10-24 Yuan Sheng , Yanbin Hao , Chenxu Li , Shuo Wang , Xiangnan He