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Predicting the evolution of systems that exhibit spatio-temporal dynamics in response to external stimuli is a key enabling technology fostering scientific innovation. Traditional equations-based approaches leverage first principles to…

机器学习 · 计算机科学 2023-05-02 Francesco Regazzoni , Stefano Pagani , Matteo Salvador , Luca Dede' , Alfio Quarteroni

Denoising diffusion probabilistic models (DDPMs) have achieved high quality image generation without adversarial training, yet they require simulating a Markov chain for many steps to produce a sample. To accelerate sampling, we present…

机器学习 · 计算机科学 2022-10-07 Jiaming Song , Chenlin Meng , Stefano Ermon

Ensuring intelligible speech communication for hearing assistive devices in low-latency scenarios presents significant challenges in terms of speech enhancement, coding and transmission. In this paper, we propose novel solutions for…

音频与语音处理 · 电气工程与系统科学 2024-05-01 Mohammad Bokaei , Jesper Jensen , Simon Doclo , Jan Østergaard

Diffusion Transformers (DiT) trained with flow matching in a VAE latent space have unified visual generation across images and videos. A natural next step toward a single architecture for both generation (visual synthesis) and understanding…

The long short-term memory (LSTM) neural network is capable of processing complex sequential information since it utilizes special gating schemes for learning representations from long input sequences. It has the potential to model any…

计算机视觉与模式识别 · 计算机科学 2015-04-28 Vivek Veeriah , Naifan Zhuang , Guo-Jun Qi

Delay/Disruption Tolerant Networking (DTN) employs the Licklider Transmission Protocol (LTP) with Automatic Repeat reQuest (ARQ) for reliable data delivery in challenging interplanetary networks. While previous studies have integrated…

网络与互联网体系结构 · 计算机科学 2025-07-01 Liang Chen , Yu Song , Kanglian Zhao , Juan A. Fraire , Wenfeng Li

We consider the problem of estimating missing values in trajectories of linear parameter-varying (LPV) systems. We solve this interpolation problem for the class of shifted-affine LPV systems. Conditions for the existence and uniqueness of…

系统与控制 · 电气工程与系统科学 2025-10-21 Chris Verhoek , Ivan Markovsky , Roland Tóth

Diffusion models demonstrate remarkable capabilities in capturing complex data distributions and have achieved compelling results in many generative tasks. While they have recently been extended to dense prediction tasks such as depth…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Haorui Ji , Taojun Lin , Hongdong Li

This article considers the generative modeling of the (mixed) states of quantum systems, and an approach based on denoising diffusion model is proposed. The key contribution is an algorithmic innovation that respects the physical nature of…

量子物理 · 物理学 2024-05-28 Yuchen Zhu , Tianrong Chen , Evangelos A. Theodorou , Xie Chen , Molei Tao

In his paper, we present order reduction techniques for nonlinear quasi-periodic systems subjected to external excitations. The order reduction techniques presented here are based on the Lyapunov-Perrone (L-P) Transformation. For a class of…

动力系统 · 数学 2020-12-03 S. Bhat , SusheelKumar CS , Sangram Redkar

We propose Diverse Embedding Neural Network (DENN), a novel architecture for language models (LMs). A DENNLM projects the input word history vector onto multiple diverse low-dimensional sub-spaces instead of a single higher-dimensional…

计算与语言 · 计算机科学 2015-04-17 Kartik Audhkhasi , Abhinav Sethy , Bhuvana Ramabhadran

Data preparation, which aims to transform heterogeneous and noisy raw tables into analysis-ready data, remains a major bottleneck in data science. Recent approaches leverage large language models (LLMs) to automate data preparation from…

数据库 · 计算机科学 2026-02-10 Meihao Fan , Ju Fan , Yuxin Zhang , Shaolei Zhang , Xiaoyong Du , Jie Song , Peng Li , Fuxin Jiang , Tieying Zhang , Jianjun Chen

We present LTM3D, a Latent Token space Modeling framework for conditional 3D shape generation that integrates the strengths of diffusion and auto-regressive (AR) models. While diffusion-based methods effectively model continuous latent…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Xin Kang , Zihan Zheng , Lei Chu , Yue Gao , Jiahao Li , Hao Pan , Xuejin Chen , Yan Lu

Numerical solving parameterised partial differential equations (P-PDEs) is highly practical yet computationally expensive, driving the development of reduced-order models (ROMs). Recently, methods that combine latent space identification…

机器学习 · 计算机科学 2024-10-08 Xinlei Lin , Dunhui Xiao

Implicit generative models are difficult to train as no explicit density functions are defined. Generative adversarial nets (GANs) present a minimax framework to train such models, which however can suffer from mode collapse due to the…

机器学习 · 计算机科学 2020-06-25 Chao Du , Kun Xu , Chongxuan Li , Jun Zhu , Bo Zhang

This paper presents a novel implicit representation of solid models. With this representation, every solid model can be effectively presented by three layered depth-normal images (LDNIs) that are perpendicular to three orthogonal axes…

计算几何 · 计算机科学 2010-09-07 Charlie C. L. Wang , Yong Chen

In autonomous driving, High Definition (HD) maps provide a complete lane model that is not limited by sensor range and occlusions. However, the generation and upkeep of HD maps involves periodic data collection and human annotations,…

计算机视觉与模式识别 · 计算机科学 2024-09-20 Michael Mink , Thomas Monninger , Steffen Staab

To generate coherent responses, language models infer unobserved meaning from their input text sequence. One potential explanation for this capability arises from theories of delay embeddings in dynamical systems, which prove that…

机器学习 · 计算机科学 2024-06-19 Mitchell Ostrow , Adam Eisen , Ila Fiete

Understanding dissipation in 2D quantum many-body systems is a remarkably difficult open challenge. Here we show how numerical simulations for this problem are possible by means of a tensor network algorithm that approximates steady-states…

强关联电子 · 物理学 2017-11-27 Augustine Kshetrimayum , Hendrik Weimer , Roman Orus

With the rapid development of diffusion models and flow-based generative models, there has been a surge of interests in solving noisy linear inverse problems, e.g., super-resolution, deblurring, denoising, colorization, etc, with generative…

机器学习 · 计算机科学 2024-10-22 Xiangming Meng , Yoshiyuki Kabashima