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Spiking Neural Networks (SNNs) represent a biologically inspired paradigm offering an energy-efficient alternative to conventional artificial neural networks (ANNs) for Computer Vision (CV) applications. This paper presents a systematic…

计算机视觉与模式识别 · 计算机科学 2024-11-27 Craig Iaboni , Pramod Abichandani

Entropy conditions play a crucial role in the extraction of a physically relevant solution for systems of conservation laws, thus motivating the construction of entropy stable schemes that satisfy a discrete analogue of such conditions.…

数值分析 · 数学 2025-06-04 Philip Charles , Deep Ray

In this paper, a new family of very-high-order TENO schemes with adaptive accuracy order and adaptive dissipation control (TENO-AA) is proposed. The new framework allows for constructing arbitrarily high-order TENO schemes in a unified…

流体动力学 · 物理学 2021-09-30 Lin Fu

A new Essentially Non-oscillatory (ENO) recovery algorithm is developed and tested in a Finite Volume method. The construction is hinged on a reformulation of the reconstruction as the solution to a variational problem. The sign property of…

数值分析 · 数学 2025-04-15 Simon-Christian Klein

Spiking neural networks (SNNs) represent the most prominent biologically inspired computing model for neuromorphic computing (NC) architectures. However, due to the non-differentiable nature of spiking neuronal functions, the standard error…

神经与进化计算 · 计算机科学 2020-07-01 Jibin Wu , Yansong Chua , Malu Zhang , Guoqi Li , Haizhou Li , Kay Chen Tan

The advantage of WENO-JS5 scheme [ J. Comput. Phys. 1996] over the WENO-LOC scheme [J. Comput. Phys.1994] is that the WENO-LOC nonlinear weights do not achieve the desired order of convergence in smooth monotone regions and at critical…

数值分析 · 数学 2023-02-21 Samala Rathan , G. Naga Raju , Ashlesha A. Bhise

Spiking Neural Networks (SNNs) have emerged as a compelling, energy-efficient alternative to traditional Artificial Neural Networks (ANNs) for static image tasks such as image classification and segmentation. However, in the more complex…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Shiting Xiao , Yuhang Li , Youngeun Kim , Donghyun Lee , Priyadarshini Panda

Techniques for training artificial neural networks (ANNs) and convolutional neural networks (CNNs) using simulated dynamical electron diffraction patterns are described. The premise is based on the following facts. First, given a suitable…

介观与纳米尺度物理 · 物理学 2021-03-08 Renliang Yuan , Jiong Zhang , Lingfeng He , Jian-Min Zuo

Artificial Neural Networks (ANN) have been popularized in many science and technological areas due to their capacity to solve many complex pattern matching problems. That is the case of Virtual Screening, a research area that studies how to…

神经与进化计算 · 计算机科学 2020-06-05 Christian F. Frasser , Carola de Benito , Vincent Canals , Miquel Roca , Pedro J. Ballester , Josep L. Rossello

The unprecedented dissemination of edge devices is accompanied by a growing demand for neuromorphic chips that can process time-series data natively without cloud support. Echo state network (ESN) is a class of recurrent neural networks…

机器学习 · 计算机科学 2025-03-04 Abdullah M. Zyarah , Alaa M. Abdul-Hadi , Dhireesha Kudithipudi

In this article, we introduce a new method which allows utilizing all the available sub-stencils of a WENO scheme to increase the accuracy of the numerical solution of conservation laws while preserving the non-oscillatory property of the…

计算物理 · 物理学 2024-10-15 Hossein Mahmoodi Darian

To model complex turbulent flow and heat transfer phenomena, this study aims to analyze and develop a reduced modeling approach based on artificial neural network (ANN) and wrapper methods. This approach has an advantage over other methods…

流体动力学 · 物理学 2023-08-08 Hyeongeun Yun , Yongcheol Choi , Youngjae Kim , Seongwon Kang

High fidelity numerical simulation of compressible flow requires the numerical method being used to have both stable shock-capturing capability and high spectral resolution. Recently, a family of Targeted Essentially Non-Oscillatory (TENO)…

流体动力学 · 物理学 2020-12-02 Jun Peng , Shiyao Li , Yiqing Shen , Shengping Liu , Ke Zhang

Herein, we present a new data-driven multiscale framework called FE${}^\text{ANN}$ which is based on two main keystones: the usage of physics-constrained artificial neural networks (ANNs) as macroscopic surrogate models and an autonomous…

计算工程、金融与科学 · 计算机科学 2023-09-06 Karl A. Kalina , Lennart Linden , Jörg Brummund , Markus Kästner

Massive Multiple-Input Multiple-Output (massive MIMO) technology stands as a cornerstone in 5G and beyonds. Despite the remarkable advancements offered by massive MIMO technology, the extreme number of antennas introduces challenges during…

信号处理 · 电气工程与系统科学 2024-10-29 Do Hai Son , Vu Tung Lam , Tran Thi Thuy Quynh

A novel procedure is given for choosing smoothest stencil to construct less oscillatory ENO schemes. The procedure is further used to define smoothness parameter in the non-linear weights of new WENO schemes. The main significant features…

数值分析 · 数学 2018-09-24 Biswarup Biswas , Ritesh Kumar Dubey

In the present work, we propose two new variants of fifth order finite difference WENO schemes of adaptive order. We compare our proposed schemes with other variants of WENO schemes with special emphasize on WENO-AO(5,3) scheme [Balsara,…

数值分析 · 数学 2018-10-17 Rakesh Kumar , Praveen Chandrashekar

Neuromorphic vision sensor is a new bio-inspired imaging paradigm that reports asynchronous, continuously per-pixel brightness changes called `events' with high temporal resolution and high dynamic range. So far, the event-based image…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Lin Zhu , Xiao Wang , Yi Chang , Jianing Li , Tiejun Huang , Yonghong Tian

This paper presents a generalized ENO (GENO)-type nonlinear reconstruction scheme for compressible flow simulations. The proposed reconstruction preserves the accuracy of the linear scheme while maintaining essentially non-oscillatory…

数值分析 · 数学 2025-08-12 Fengxiang Zhao , Kun Xu

In this work, we present the feedforward neural network based on the conservative approximation to the derivative from point values, for the weighted essentially non-oscillatory (WENO) schemes in solving hyperbolic conservation laws. The…

数值分析 · 数学 2025-07-09 Kwanghyuk Park , Jiaxi Gu , Jae-Hun Jung