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相关论文: Efficient streaming dynamic mode decomposition

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A novel approach to reduced-order modeling of high-dimensional time varying systems is proposed. It leverages the formalism of the Dynamic Mode Decomposition technique together with the concept of balanced realization. It is assumed that…

系统与控制 · 电气工程与系统科学 2021-06-01 Andrea Iannelli , Urban Fasel , Roy S. Smith

Reconstructing high-quality magnetic resonance images (MRI) from undersampled raw data is of great interest from both technical and clinical point of views. To this date, however, it is still a mathematically and computationally challenging…

数值分析 · 数学 2021-09-01 T. Schmoderer , A. I Aviles-Rivero , V. Corona , N. Debroux , C-B. Schönlieb

Online 3D reconstruction from streaming inputs requires both long-term temporal consistency and efficient memory usage. Although causal variants of VGGT address this challenge through a key-value (KV) cache mechanism, the cache grows…

计算机视觉与模式识别 · 计算机科学 2026-04-09 Runze Wang , Yuxuan Song , Youcheng Cai , Ligang Liu

Large pretrained diffusion models have significantly enhanced the quality of generated videos, and yet their use in real-time streaming remains limited. Autoregressive models offer a natural framework for sequential frame synthesis but…

计算机视觉与模式识别 · 计算机科学 2026-03-12 Jinxiu Liu , Xuanming Liu , Kangfu Mei , Yandong Wen , Ming-Hsuan Yang , Weiyang Liu

Video coding is a critical step in all popular methods of streaming video. Marked progress has been made in video quality, compression, and computational efficiency. Recently, there has been an interest in finding ways to apply techniques…

图像与视频处理 · 电气工程与系统科学 2019-05-14 Everett Fall , Kai-wei Chang , Liang-Gee Chen

We introduce a novel algorithm to perform graph clustering in the edge streaming setting. In this model, the graph is presented as a sequence of edges that can be processed strictly once. Our streaming algorithm has an extremely low memory…

机器学习 · 计算机科学 2017-12-13 Alexandre Hollocou , Julien Maudet , Thomas Bonald , Marc Lelarge

We present Latent Diffeomorphic Dynamic Mode Decomposition (LDDMD), a new data reduction approach for the analysis of non-linear systems that combines the interpretability of Dynamic Mode Decomposition (DMD) with the predictive power of…

机器学习 · 计算机科学 2025-08-04 Willem Diepeveen , Jon Schwenk , Andrea Bertozzi

Modern technological advances have expanded the scope of applications requiring analysis of large-scale datastreams that comprise multiple indefinitely long time series. There is an acute need for statistical methodologies that perform…

统计方法学 · 统计学 2021-11-03 Jingshen Wang , Lilun Du , Changliang Zou , Zhenke Wu

This work addresses inverse linear optimization where the goal is to infer the unknown cost vector of a linear program. Specifically, we consider the data-driven setting in which the available data are noisy observations of optimal…

最优化与控制 · 数学 2021-12-07 Rishabh Gupta , Qi Zhang

The development of video diffusion models unveils a significant challenge: the substantial computational demands. To mitigate this challenge, we note that the reverse process of diffusion exhibits an inherent entropy-reducing nature. Given…

计算机视觉与模式识别 · 计算机科学 2025-03-13 Lingmin Ran , Mike Zheng Shou

Occlusions between consecutive frames have long posed a significant challenge in optical flow estimation. The inherent ambiguity introduced by occlusions directly violates the brightness constancy constraint and considerably hinders…

计算机视觉与模式识别 · 计算机科学 2023-11-30 Shangkun Sun , Jiaming Liu , Thomas H. Li , Huaxia Li , Guoqing Liu , Wei Gao

Dynamic convolution achieves better performance for efficient CNNs at the cost of negligible FLOPs increase. However, the performance increase can not match the significantly expanded number of parameters, which is the main bottleneck in…

计算机视觉与模式识别 · 计算机科学 2023-05-29 Shwai He , Chenbo Jiang , Daize Dong , Liang Ding

Discrete dynamic models are a powerful tool for the understanding and modeling of large biological networks. Although a lot of progress has been made in developing analysis tools for these models, there is still a need to find approaches…

分子网络 · 定量生物学 2013-06-14 Jorge G. T. Zañudo , Réka Albert

We introduce a variational multiscale closure modeling strategy for the numerical stabilization of proper orthogonal decomposition reduced-order models of convection-dominated equations. As a first step, the new model is analyzed and tested…

数值分析 · 数学 2015-03-19 Traian iliescu , Zhu Wang

Lossy compression and rate-adaptive streaming are a mainstay in traditional video steams. However, a new class of neuromorphic ``event'' sensors records video with asynchronous pixel samples rather than image frames. These sensors are…

图像与视频处理 · 电气工程与系统科学 2025-08-22 Andrew C. Freeman

Direct Statistical Simulation (DSS) solves the equations of motion for the statistics of turbulent flows in place of the traditional route of accumulating statistics by Direct Numerical Simulation (DNS). That low-order statistics usually…

流体动力学 · 物理学 2020-07-15 Altan Allawala , S. M. Tobias , J. B. Marston

This paper develops a robust dynamic mode decomposition (RDMD) method endowed with statistical and numerical robustness. Statistical robustness ensures estimation efficiency at the Gaussian and non-Gaussian probability distributions,…

统计方法学 · 统计学 2022-07-08 Amir Hossein Abolmasoumi , Marcos Netto , Lamine Mili

Accurate channel state information (CSI) prediction is crucial for next-generation multiple-input multiple-output (MIMO) communication systems. Classical prediction methods often become inefficient for high-dimensional and rapidly…

信息论 · 计算机科学 2026-03-17 Irina Kopnina , Dmitry Artemasov , Sergey Matveev

Data stream algorithms tackle operations on high-volume sequences of read-once data items. Data stream scenarios include inherently real-time systems like sensor networks and financial markets. They also arise in purely-computational…

数据结构与算法 · 计算机科学 2024-03-04 Matthew Andres Moreno , Santiago Rodriguez Papa , Emily Dolson

To improve the utility of learning applications and render machine learning solutions feasible for complex applications, a substantial amount of heavy computations is needed. Thus, it is essential to delegate the computations among several…

分布式、并行与集群计算 · 计算机科学 2022-04-29 Homa Esfahanizadeh , Alejandro Cohen , Muriel Medard
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