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相关论文: Few-shot time series segmentation using prototype-…

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This paper presents a technique for reduced-order Markov modeling for compact representation of time-series data. In this work, symbolic dynamics-based tools have been used to infer an approximate generative Markov model. The time-series…

机器学习 · 统计学 2017-09-28 Devesh K Jha , Nurali Virani , Jan Reimann , Abhishek Srivastav , Asok Ray

Class prototype construction and matching are core aspects of few-shot action recognition. Previous methods mainly focus on designing spatiotemporal relation modeling modules or complex temporal alignment algorithms. Despite the promising…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Jiazheng Xing , Mengmeng Wang , Yudi Ruan , Bofan Chen , Yaowei Guo , Boyu Mu , Guang Dai , Jingdong Wang , Yong Liu

Forecasting nonlinear time series with multi-scale temporal structures remains a central challenge in complex systems modeling. We present a novel reservoir computing framework that combines delay embedding with random Fourier feature (RFF)…

神经与进化计算 · 计算机科学 2025-11-20 S. K. Laha

Sequence analysis is being more and more widely used for the analysis of social sequences and other multivariate categorical time series data. However, it is often complex to describe, visualize, and compare large sequence data, especially…

统计计算 · 统计学 2021-03-22 Satu Helske , Jouni Helske

As rich sources of history, maps provide crucial insights into historical changes, yet their diverse visual representations and limited annotated data pose significant challenges for automated processing. We propose a simple yet effective…

计算机视觉与模式识别 · 计算机科学 2025-10-20 Rafael Sterzinger , Marco Peer , Robert Sablatnig

Existing few-shot segmentation (FSS) methods mainly focus on designing novel support-query matching and self-matching mechanisms to exploit implicit knowledge in pre-trained backbones. However, the performance of these methods is often…

计算机视觉与模式识别 · 计算机科学 2024-09-11 Shijie Chang , Lihe Zhang , Huchuan Lu

[This paper was initially published in PHME conference in 2016, selected for further publication in International Journal of Prognostics and Health Management.] This paper describes an Autoregressive Partially-hidden Markov model (ARPHMM)…

机器学习 · 统计学 2021-05-04 Pablo Juesas , Emmanuel Ramasso , Sébastien Drujont , Vincent Placet

We introduce the Reduced-Rank Hidden Markov Model (RR-HMM), a generalization of HMMs that can model smooth state evolution as in Linear Dynamical Systems (LDSs) as well as non-log-concave predictive distributions as in…

机器学习 · 计算机科学 2009-12-23 Sajid M. Siddiqi , Byron Boots , Geoffrey J. Gordon

Accurate network-traffic forecasting enables proactive capacity planning and anomaly detection in Internet Service Provider (ISP) networks. Recent advances in time-series foundation models (TSFMs) have demonstrated strong zero-shot and…

网络与互联网体系结构 · 计算机科学 2026-02-18 Fan Liu , Behrooz Farkiani , Patrick Crowley

Medical time-series data are characterized by irregular sampling, high noise levels, missing values, and strong inter-feature dependencies. Recurrent neural networks (RNNs), particularly gated architectures such as Long Short-Term Memory…

机器学习 · 计算机科学 2026-03-03 Maitri Krishna Sai

Factorial Hidden Markov Models (FHMMs) are powerful models for sequential data but they do not scale well with long sequences. We propose a scalable inference and learning algorithm for FHMMs that draws on ideas from the stochastic…

机器学习 · 统计学 2016-10-31 Yin Cheng Ng , Pawel Chilinski , Ricardo Silva

Recent few-shot learning works focus on training a model with prior meta-knowledge to fast adapt to new tasks with unseen classes and samples. However, conventional time-series classification algorithms fail to tackle the few-shot scenario.…

机器学习 · 计算机科学 2020-07-03 Wensi Tang , Lu Liu , Guodong Long

Few-shot semantic segmentation aims to learn to segment new object classes with only a few annotated examples, which has a wide range of real-world applications. Most existing methods either focus on the restrictive setting of one-way…

计算机视觉与模式识别 · 计算机科学 2022-12-05 Yongfei Liu , Xiangyi Zhang , Songyang Zhang , Xuming He

We propose a framework to model the distribution of sequential data coming from a set of entities connected in a graph with a known topology. The method is based on a mixture of shared hidden Markov models (HMMs), which are jointly trained…

机器学习 · 计算机科学 2019-04-02 Diogo Pernes , Jaime S. Cardoso

Markov Random Fields (MRFs), a formulation widely used in generative image modeling, have long been plagued by the lack of expressive power. This issue is primarily due to the fact that conventional MRFs formulations tend to use simplistic…

计算机视觉与模式识别 · 计算机科学 2016-09-08 Zhirong Wu , Dahua Lin , Xiaoou Tang

Medical imaging often operates under limited labeled data, especially in rare disease and low resource clinical environments. Existing multimodal and meta learning approaches improve performance in these settings but lack a theoretical…

机器学习 · 统计学 2025-12-18 Md Talha Mohsin , Ismail Abdulrashid

Surrogate models are widely used in mechanical design and manufacturing process optimization, where high-fidelity computational models may be unavailable or prohibitively expensive. Their effectiveness, however, is often limited by data…

机器学习 · 计算机科学 2026-03-03 Bingran Wang , Seongha Jeong , Sebastiaan P. C. van Schie , Dongyeon Han , Jaeho Min , John T. Hwang

Deep learning (DL) methods have outperformed parametric models such as historical average, ARIMA and variants in predicting traffic variables into short and near-short future, that are critical for traffic management. Specifically,…

机器学习 · 计算机科学 2023-07-18 Agnimitra Sengupta , Adway Das , S. Ilgin Guler

We consider a linear stochastic fluid network under Markov modulation, with a focus on the probability that the joint storage level attains a value in a rare set at a given point in time. The main objective is to develop efficient…

概率论 · 数学 2018-05-09 Onno Boxma , Ewan Cahen , David Koops , Michel Mandjes

Few-shot semantic segmentation (FSS) aims to segment objects of unseen classes in query images with only a few annotated support images. Existing FSS algorithms typically focus on mining category representations from the single-view support…

计算机视觉与模式识别 · 计算机科学 2023-09-29 Qinglong Cao , Yuntian Chen , Chao Ma , Xiaokang Yang