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🔍 anastasios tsiamis 📂 Engineering
Showing 12 results for "anastasios tsiamis" in Engineering
Engineering Preprint PDF DOI

Fast Higher-Order Interpolation and Restriction in ExaHyPE Avoiding Non-physical Reflections

Timothy Stokes, Tobias Weinzierl, Han Zhang, Baojiu Li · 2025

Wave equations help us to understand phenomena ranging from earthquakes to tsunamis. These phenomena materialise over very large scales. It would be computationally infeasible to track them over a reg…

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Engineering Preprint PDF DOI

Reinforcement Learning of Flexible Policies for Symbolic Instructions with Adjustable Mapping Specifications

Wataru Hatanaka, Ryota Yamashina, Takamitsu Matsubara · 2025

Symbolic task representation is a powerful tool for encoding human instructions and domain knowledge. Such instructions guide robots to accomplish diverse objectives and meet constraints through reinf…

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Engineering Preprint PDF DOI

Downscaling Neural Network for Coastal Simulations

Zhi-Song Liu, Markus Buttner, Matthew Scarborough, Eirik Valseth, Vadym Aizinger, Bernhard Kainz, Andreas Rupp · 2024

Learning the fine-scale details of a coastal ocean simulation from a coarse representation is a challenging task. For real-world applications, high-resolution simulations are necessary to advance unde…

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Engineering Preprint PDF DOI

On the Hardness of Learning to Stabilize Linear Systems

Xiong Zeng, Zexiang Liu, Zhe Du, Necmiye Ozay, Mario Sznaier · 2023

Inspired by the work of Tsiamis et al. \cite{tsiamis2022learning}, in this paper we study the statistical hardness of learning to stabilize linear time-invariant systems. Hardness is measured by the n…

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Engineering Preprint PDF DOI

Data-Driven Nonlinear TDOA for Accurate Source Localization in Complex Signal Dynamics

Chinmay Sahu, Mahesh Banavar, Jie Sun · 2023

The complex and dynamic propagation of oscillations and waves is often triggered by sources at unknown locations. Accurate source localization enables the elimination of the rotor core in atrial fibri…

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Engineering Preprint PDF DOI

Improving Speech Translation Accuracy and Time Efficiency with Fine-tuned wav2vec 2.0-based Speech Segmentation

Ryo Fukuda, Katsuhito Sudoh, Satoshi Nakamura · 2023

Speech translation (ST) automatically converts utterances in a source language into text in another language. Splitting continuous speech into shorter segments, known as speech segmentation, plays an …

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Engineering Preprint PDF DOI

Integration of Data Driven Technologies in Smart Grids for Resilient and Sustainable Smart Cities: A Comprehensive Review

Mansoor Ali, Faisal Naeem, Nadir Adam, Georges Kaddoum, Noor ul Huda, Muhammad Adnan, Muhammad Tariq · 2023

A modern-day society demands resilient, reliable, and smart urban infrastructure for effective and in telligent operations and deployment. However, unexpected, high-impact, and low-probability events …

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Engineering Preprint PDF DOI

An activity-based spatial-temporal community electricity vulnerability assessment framework

Chen Xia, Yuqing Hu, Jianli Chen · 2022

The power system is among the most important critical infrastructures in urban cities and is getting increasingly essential in supporting people s daily activities. However, it is also susceptible to …

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Engineering Preprint PDF DOI

Coconut trees detection and segmentation in aerial imagery using mask region-based convolution neural network

Muhammad Shakaib Iqbal, Hazrat Ali, Son N. Tran, Talha Iqbal · 2021

Food resources face severe damages under extraordinary situations of catastrophes such as earthquakes, cyclones, and tsunamis. Under such scenarios, speedy assessment of food resources from agricultur…

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Engineering Preprint PDF DOI

Deep Learning-based Aerial Image Segmentation with Open Data for Disaster Impact Assessment

Ananya Gupta, Simon Watson, Hujun Yin · 2020

Satellite images are an extremely valuable resource in the aftermath of natural disasters such as hurricanes and tsunamis where they can be used for risk assessment and disaster management. In order t…

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Engineering Preprint PDF DOI

SANet:Superpixel Attention Network for Skin Lesion Attributes Detection

Xinzi He, Baiying Lei, Tianfu Wang · 2019

The accurate detection of lesion attributes is meaningful for both the computeraid diagnosis system and dermatologists decisions. However, unlike lesion segmentation and melenoma classification, there…

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Engineering Preprint PDF DOI

A survey on tidal analysis and forecasting methods for Tsunami detection

Sergio Consoli, Diego Reforgiato Recupero, Vanni Zavarella · 2014

Accurate analysis and forecasting of tidal level are very important tasks for human activities in oceanic and coastal areas. They can be crucial in catastrophic situations like occurrences of Tsunamis…

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