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This work presents a purely data-driven, wavelet-based framework for modal identification and reduced-order modeling of mechanical systems with assumed linear dynamics characterized by closely spaced modes with classical or non-classical…

信号处理 · 电气工程与系统科学 2025-10-28 Anargyros Michaloliakos , Benjamin J. Chang , Lawrence A. Bergman , Alexander F. Vakakis

Active learning (AL) is designed to construct a high-quality labeled dataset by iteratively selecting the most informative samples. Such sampling heavily relies on data representation, while recently pre-training is popular for robust…

机器学习 · 计算机科学 2024-07-23 Beichen Zhang , Liang Li , Zheng-Jun Zha , Jiebo Luo , Qingming Huang

When a structured tool agent fails mid-execution, the runtime faces a dilemma: replaying the entire task is safe but wasteful, while restoring from a local checkpoint is efficient but can leave committed downstream work tied to an upstream…

人工智能 · 计算机科学 2026-05-25 Ke Yang , Panpan Li , Zonghan Wu , Kejin Xu , Huaxi Huang , Xiaoshui Huang

This work aims to improve generalization and interpretability of dynamical systems by recovering the underlying lower-dimensional latent states and their time evolutions. Previous work on disentangled representation learning within the…

机器学习 · 计算机科学 2024-06-07 Çağlar Hızlı , Çağatay Yıldız , Matthias Bethge , ST John , Pekka Marttinen

While concept-based interpretability methods have traditionally focused on local explanations of neural network predictions, we propose a novel framework and interactive tool that extends these methods into the domain of mechanistic…

机器学习 · 计算机科学 2025-07-09 Sofiia Chorna , Kateryna Tarelkina , Eloïse Berthier , Gianni Franchi

Spatial awareness is a critical capability for embodied agents, as it enables them to anticipate and reason about unobserved regions. The primary challenge arises from learning the distribution of indoor semantics, complicated by sparse,…

机器人学 · 计算机科学 2025-06-10 Yijie Deng , Shuaihang Yuan , Congcong Wen , Hao Huang , Anthony Tzes , Geeta Chandra Raju Bethala , Yi Fang

In many applications, a large number of features are collected with the goal to identify a few important ones. Sometimes, these features lie in a metric space with a known distance matrix, which partially reflects their co-importance…

统计方法学 · 统计学 2021-09-28 Xuechan Li , Anthony Sung , Jichun Xie

Multi-agent debate system (MAD) imitating the process of human discussion in pursuit of truth, aims to align the correct cognition of different agents for the optimal solution. It is challenging to make various agents perform right and…

计算与语言 · 计算机科学 2024-07-12 Haotian Wang , Xiyuan Du , Weijiang Yu , Qianglong Chen , Kun Zhu , Zheng Chu , Lian Yan , Yi Guan

Discrete image tokenizers have emerged as a key component of modern vision and multimodal systems, providing a sequential interface for transformer-based architectures. However, most existing approaches remain primarily optimized for…

计算机视觉与模式识别 · 计算机科学 2026-02-25 Aram Davtyan , Yusuf Sahin , Yasaman Haghighi , Sebastian Stapf , Pablo Acuaviva , Alexandre Alahi , Paolo Favaro

We present a new method for inferring hidden Markov models from noisy time sequences without the necessity of assuming a model architecture, thus allowing for the detection of degenerate states. This is based on the statistical prediction…

定量方法 · 定量生物学 2012-01-24 David Kelly , Mark Dillingham , Andrew Hudson , Karoline Wiesner

Discovering a meaningful symbolic expression that explains experimental data is a fundamental challenge in many scientific fields. We present a novel, open-source computational framework called Scientist-Machine Equation Detector (SciMED),…

机器学习 · 计算机科学 2023-03-02 Liron Simon Keren , Alex Liberzon , Teddy Lazebnik

Due to limitations such as geographic, physical, or economic factors, collected seismic data often have missing traces. Traditional seismic data reconstruction methods face the challenge of selecting numerous empirical parameters and…

地球物理 · 物理学 2026-01-09 Shuang Wang , Fei Deng , Peifan Jiang , Zezheng Ni , Bin Wang

The identification of states and parameters from noisy measurements of a dynamical system is of great practical significance and has received a lot of attention. Classically, this problem is expressed as optimization over a class of models.…

Non-autoregressive machine translation (NAT) systems predict a sequence of output tokens in parallel, achieving substantial improvements in generation speed compared to autoregressive models. Existing NAT models usually rely on the…

计算与语言 · 计算机科学 2021-02-24 Chunting Zhou , Graham Neubig , Jiatao Gu

Visual navigation for autonomous agents is a core task in the fields of computer vision and robotics. Learning-based methods, such as deep reinforcement learning, have the potential to outperform the classical solutions developed for this…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Zachary Seymour , Kowshik Thopalli , Niluthpol Mithun , Han-Pang Chiu , Supun Samarasekera , Rakesh Kumar

Intelligent Tutoring Systems have become critically important in future learning environments. Knowledge Tracing (KT) is a crucial part of that system. It is about inferring the skill mastery of students and predicting their performance to…

计算机与社会 · 计算机科学 2021-12-22 Sein Minn , Jill-Jenn Vie , Koh Takeuchi , Hisashi Kashima , Feida Zhu

In the process of digital transformation, enterprises are faced with problems such as insufficient semantic understanding of unstructured data and lack of intelligent decision-making basis in driving mechanisms. This study proposes a method…

人工智能 · 计算机科学 2026-01-09 Huayi Liu

Advances in learning-based trajectory prediction are enabled by large-scale datasets. However, in-depth analysis of such datasets is limited. Moreover, the evaluation of prediction models is limited to metrics averaged over all samples in…

计算机视觉与模式识别 · 计算机科学 2022-06-13 Julian Schmidt , Julian Jordan , David Raba , Tobias Welz , Klaus Dietmayer

Recent advancements in multi-modal large language models have propelled the development of joint probabilistic models capable of both image understanding and generation. However, we have identified that recent methods suffer from loss of…

计算机视觉与模式识别 · 计算机科学 2025-06-05 Jian Yang , Dacheng Yin , Yizhou Zhou , Fengyun Rao , Wei Zhai , Yang Cao , Zheng-Jun Zha

We consider sequential state and parameter learning in state-space models with intractable state transition and observation processes. By exploiting low-rank tensor train (TT) decompositions, we propose new sequential learning methods for…

数值分析 · 数学 2024-07-04 Yiran Zhao , Tiangang Cui