中文
相关论文

相关论文: NLDSI-BWE: Non Linear Dynamical Systems-Inspired M…

200 篇论文

For the SLT 2024 Low-Resource Dysarthria Wake-Up Word Spotting (LRDWWS) Challenge, we introduce the PB-LRDWWS system. This system combines a dysarthric speech content feature extractor for prototype construction with a prototype-based…

声音 · 计算机科学 2024-12-09 Shiyao Wang , Jiaming Zhou , Shiwan Zhao , Yong Qin

We propose a novel multilinear dynamical system (MLDS) in a transform domain, named $\mathcal{L}$-MLDS, to model tensor time series. With transformations applied to a tensor data, the latent multidimensional correlations among the frontal…

机器学习 · 计算机科学 2018-11-20 Weijun Lu , Xiao-Yang Liu , Qingwei Wu , Yue Sun , Anwar Walid

This paper proposes a nonlinear estimator for the robust reconstruction of process and sensor faults for a class of uncertain nonlinear systems. The proposed fault estimation method augments the system dynamics with an ultra-local (in time)…

系统与控制 · 电气工程与系统科学 2024-06-11 Farhad Ghanipoor , Carlos Murguia , Peyman Mohajerin Esfahani , Nathan van de Wouw

This paper introduces a novel recursive distributed estimation algorithm aimed at synthesizing input and state interval observers for nonlinear bounded-error discrete-time multi-agent systems. The considered systems have sensors and…

系统与控制 · 电气工程与系统科学 2024-09-21 Mohammad Khajenejad , Scott Brown , Sonia Martinez

Keyword Spotting (KWS) systems with small footprint models deployed on edge devices face significant accuracy and robustness challenges due to domain shifts caused by varying noise and recording conditions. To address this, we propose a…

声音 · 计算机科学 2026-01-23 Prakash Dhungana , Sayed Ahmad Salehi

Multimodal large language models (MLLMs) have shown great potential in general domains but perform poorly in some specific domains due to a lack of domain-specific data, such as image-text data or vedio-text data. In some specific domains,…

人工智能 · 计算机科学 2025-06-10 Shijie Wang , Yilun Zhang , Zeyu Lai , Dexing Kong

Self-attention models have been successfully applied in end-to-end speech recognition systems, which greatly improve the performance of recognition accuracy. However, such attention-based models cannot be used in online speech recognition,…

音频与语音处理 · 电气工程与系统科学 2021-02-24 Jian Luo , Jianzong Wang , Ning Cheng , Jing Xiao

In this effort we propose a data-driven learning framework for reduced order modeling of fluid dynamics. Designing accurate and efficient reduced order models for nonlinear fluid dynamic problems is challenging for many practical…

计算物理 · 物理学 2018-12-05 Xuping Xie , Guannan Zhang , Clayton G. Webster

Manski's celebrated maximum score estimator for the discrete choice model, which is an optimal linear discriminator, has been the focus of much investigation in both the econometrics and statistics literatures, but its behavior under…

统计理论 · 数学 2020-08-11 Debarghya Mukherjee , Moulinath Banerjee , Ya'acov Ritov

Identification of nonlinear dynamical systems has been popularized by sparse identification of the nonlinear dynamics (SINDy) via the sequentially thresholded least squares (STLS) algorithm. Many extensions SINDy have emerged in the…

机器学习 · 计算机科学 2023-08-04 Shawn L. Kiser , Mikhail Guskov , Marc Rébillat , Nicolas Ranc

Many problems in science and engineering involve time-dependent, high dimensional datasets arising from complex physical processes, which are costly to simulate. In this work, we propose WeldNet: Windowed Encoders for Learning Dynamics, a…

机器学习 · 统计学 2025-12-15 Biraj Dahal , Jiahui Cheng , Hao Liu , Rongjie Lai , Wenjing Liao

Recently, progressive learning has shown its capacity to improve speech quality and speech intelligibility when it is combined with deep neural network (DNN) and long short-term memory (LSTM) based monaural speech enhancement algorithms,…

声音 · 计算机科学 2020-01-14 Andong Li , Minmin Yuan , Chengshi Zheng , Xiaodong Li

Unsteady fluid systems are nonlinear high-dimensional dynamical systems that may exhibit multiple complex phenomena both in time and space. Reduced Order Modeling (ROM) of fluid flows has been an active research topic in the recent decade…

流体动力学 · 物理学 2020-10-05 Hamidreza Eivazi , Hadi Veisi , Mohammad Hossein Naderi , Vahid Esfahanian

The present study proposes a multi-objective framework for structure selection of nonlinear systems which are represented by polynomial NARX models. This framework integrates the key components of Multi-Criteria Decision Making (MCDM) which…

系统与控制 · 电气工程与系统科学 2019-08-20 Faizal Hafiz , Akshya Swain , Eduardo MAM Mendes

Recurrent neural networks (RNNs), especially long short-term memory (LSTM) RNNs, are effective network for sequential task like speech recognition. Deeper LSTM models perform well on large vocabulary continuous speech recognition, because…

计算与语言 · 计算机科学 2017-03-22 Xu Tian , Jun Zhang , Zejun Ma , Yi He , Juan Wei , Peihao Wu , Wenchang Situ , Shuai Li , Yang Zhang

Reinforcement Learning (RL) has shown promise in improving the reasoning abilities of Large Language Models (LLMs). However, the specific challenges of adapting RL to multimodal data and formats remain relatively unexplored. In this work,…

机器学习 · 计算机科学 2025-05-20 Zirun Guo , Minjie Hong , Tao Jin

Autoregressive (AR) models remain the standard for natural language generation but still suffer from high latency due to strictly sequential decoding. Recent diffusion-inspired approaches, such as LlaDA and Dream, mitigate this by…

计算与语言 · 计算机科学 2025-10-16 Qinglin Zhu , Yizhen Yao , Runcong Zhao , Yanzheng Xiang , Amrutha Saseendran , Chen Jin , Philip Teare , Bin Liang , Yulan He , Lin Gui

Binaural speech enhancement (BSE) aims to jointly improve the speech quality and intelligibility of noisy signals received by hearing devices and preserve the spatial cues of the target for natural listening. Existing methods often suffer…

声音 · 计算机科学 2025-01-09 Jingyuan Wang , Jie Zhang , Shihao Chen , Miao Sun

This paper introduces Bespoke Non-Stationary (BNS) Solvers, a solver distillation approach to improve sample efficiency of Diffusion and Flow models. BNS solvers are based on a family of non-stationary solvers that provably subsumes…

机器学习 · 计算机科学 2024-03-05 Neta Shaul , Uriel Singer , Ricky T. Q. Chen , Matthew Le , Ali Thabet , Albert Pumarola , Yaron Lipman

Cascaded Automatic Speech Recognition -- Large Language Model (ASR-LLM) pipelines remain popular for industrial Spoken Dialogue Systems (SDS), primarily because their decoupled design ensures perceptual verifiability. However, cascaded…

计算与语言 · 计算机科学 2026-05-26 Yizhou Peng , Ziyang Ma , Changsong Liu , Yi-Wen Chao , Xie Chen , Eng Siong Chng