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Metric learning aims to learn a highly discriminative model encouraging the embeddings of similar classes to be close in the chosen metrics and pushed apart for dissimilar ones. The common recipe is to use an encoder to extract embeddings…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Aleksandr Ermolov , Leyla Mirvakhabova , Valentin Khrulkov , Nicu Sebe , Ivan Oseledets

Echo State Networks (ESNs) are a particular type of untrained Recurrent Neural Networks (RNNs) within the Reservoir Computing (RC) framework, popular for their fast and efficient learning. However, traditional ESNs often struggle with…

机器学习 · 计算机科学 2026-01-30 Matteo Pinna , Andrea Ceni , Claudio Gallicchio

We propose a novel {\it Equilibrated Recurrent Neural Network} (ERNN) to combat the issues of inaccuracy and instability in conventional RNNs. Drawing upon the concept of autapse in neuroscience, we propose augmenting an RNN with a…

机器学习 · 计算机科学 2019-03-05 Ziming Zhang , Anil Kag , Alan Sullivan , Venkatesh Saligrama

Capturing the dynamics of active particles, i.e., small self-propelled agents that both deform and are deformed by a fluid in which they move is a formidable problem as it requires coupling fine scale hydrodynamics with large scale…

软凝聚态物质 · 物理学 2025-09-09 Sadra Saremi , Amirhossein Ahmadkhan Kordbacheh

Echo state networks are computationally lightweight reservoir models inspired by the random projections observed in cortical circuitry. As interest in reservoir computing has grown, networks have become deeper and more intricate. While…

信号处理 · 电气工程与系统科学 2019-08-23 Zachariah Carmichael , Humza Syed , Dhireesha Kudithipudi

Many natural and physical processes can be understood by analyzing multiple system variables evolving, forming a multivariate time series. Predicting such time series is challenging due to the inherent noise and interdependencies among…

混沌动力学 · 物理学 2025-12-11 S. Hariharan , R. Suresh , V. K. Chandrasekar

The non-Euclidean geometry of hyperbolic spaces has recently garnered considerable attention in the realm of representation learning. Current endeavors in hyperbolic representation largely presuppose that the underlying hierarchies can be…

机器学习 · 计算机科学 2023-06-16 Menglin Yang , Min Zhou , Rex Ying , Yankai Chen , Irwin King

The study of deep recurrent neural networks (RNNs) and, in particular, of deep Reservoir Computing (RC) is gaining an increasing research attention in the neural networks community. The recently introduced Deep Echo State Network (DeepESN)…

机器学习 · 计算机科学 2020-09-28 Claudio Gallicchio , Alessio Micheli

Electroencephalography (EEG)-based brain-computer interfaces facilitate direct communication with a computer, enabling promising applications in human-computer interactions. However, their utility is currently limited because EEG decoding…

机器学习 · 计算机科学 2026-02-10 Shanglin Li , Shiwen Chu , Okan Koç , Yi Ding , Qibin Zhao , Motoaki Kawanabe , Ziheng Chen

We derive a hyperbolic system of equations approximating the two-layer dispersive shallow water model for shear flows recently proposed by Gavrilyuk, Liapidevskii \& Chesnokov (J. Fluid Mech., vol. 808, 2016, pp. 441--468). The use of this…

流体动力学 · 物理学 2019-05-02 Alexander Chesnokov , Trieu Nguyen

An extreme event is a sudden and violent change in the state of a nonlinear system. In fluid dynamics, extreme events can have adverse effects on the system's optimal design and operability, which calls for accurate methods for their…

流体动力学 · 物理学 2022-04-26 Alberto Racca , Luca Magri

This paper introduces an end-to-end residual network that operates entirely on the Poincar\'e ball model of hyperbolic space. Hyperbolic learning has recently shown great potential for visual understanding, but is currently only performed…

计算机视觉与模式识别 · 计算机科学 2023-12-20 Max van Spengler , Erwin Berkhout , Pascal Mettes

Hyperbolic space has become a popular choice of manifold for representation learning of various datatypes from tree-like structures and text to graphs. Building on the success of deep learning with prototypes in Euclidean and hyperspherical…

机器学习 · 计算机科学 2021-11-25 Mina Ghadimi Atigh , Martin Keller-Ressel , Pascal Mettes

Parameterized state space models in the form of recurrent networks are often used in machine learning to learn from data streams exhibiting temporal dependencies. To break the black box nature of such models it is important to understand…

机器学习 · 计算机科学 2020-02-18 Peter Tino

Due to its geometric properties, hyperbolic space can support high-fidelity embeddings of tree- and graph-structured data, upon which various hyperbolic networks have been developed. Existing hyperbolic networks encode geometric priors not…

机器学习 · 计算机科学 2023-03-14 Tao Yu , Christopher De Sa

We are concerned with the discovery of hierarchical relationships from large-scale unstructured similarity scores. For this purpose, we study different models of hyperbolic space and find that learning embeddings in the Lorentz model is…

人工智能 · 计算机科学 2018-07-10 Maximilian Nickel , Douwe Kiela

Recent advancements in artificial neural networks have enabled impressive tasks on classical computers, but they demand significant computational resources. While quantum computing offers potential beyond classical systems, the advantages…

量子物理 · 物理学 2024-12-12 Erik Connerty , Ethan Evans , Gerasimos Angelatos , Vignesh Narayanan

Real-world data frequently exhibit latent hierarchical structures, which can be naturally represented by hyperbolic geometry. Although recent hyperbolic neural networks have demonstrated promising results, many existing architectures remain…

机器学习 · 计算机科学 2026-03-02 Xianglong Shi , Ziheng Chen , Yunhan Jiang , Nicu Sebe

We propose a novel efficient architecture for learning long-term evolution in complex multi-scale physical systems which is based on the idea of separation of scales. Structures of various scales that dynamically emerge in the system…

人工智能 · 计算机科学 2025-05-27 Alexander Khrabry , Edward Startsev , Andrew Powis , Igor Kaganovich

Reinforcement learning (RL) policies trained in simulation often suffer from severe performance degradation when deployed in real-world environments due to non-stationary dynamics. While Domain Randomization (DR) and meta-RL have been…

机器学习 · 计算机科学 2026-02-09 Aoi Yoshimura , Gouhei Tanaka