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🔍 niranda perera 📂 Engineering
Showing 21 results for "niranda perera" in Engineering
Engineering Preprint PDF DOI

Evaluation of 3D Counterfactual Brain MRI Generation

Pengwei Sun, Wei Peng, Lun Yu Li, Yixin Wang, Kilian M. Pohl · 2025

Counterfactual generation offers a principled framework for simulating hypothetical changes in medical imaging, with potential applications in understanding disease mechanisms and generating physiolog…

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Engineering Preprint PDF DOI

Meta-PerSER: Few-Shot Listener Personalized Speech Emotion Recognition via Meta-learning

Liang-Yeh Shen, Shi-Xin Fang, Yi-Cheng Lin, Huang-Cheng Chou, Hung-yi Lee · 2025

This paper introduces Meta-PerSER, a novel meta-learning framework that personalizes Speech Emotion Recognition (SER) by adapting to each listener's unique way of interpreting emotion. Conventional SE…

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Engineering Preprint PDF DOI

Servo navigation and phase equalization enhanced by run-time stabilization (PEERS) for 3D EPI time series

Malte Riedel, Thomas Ulrich, Samuel Bianchi, Klaas P. Pruessmann · 2025

Purpose: To enhance time-resolved segmented imaging by synergy of run-time stabilization and retrospective, data-driven phase correction. Methods: A segmented 3D EPI sequence for fMRI time series is e…

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Engineering Preprint PDF DOI

Spectral Graph Sample Weighting for Interpretable Sub-cohort Analysis in Predictive Models for Neuroimaging

Magdalini Paschali, Yu Hang Jiang, Spencer Siegel, Camila Gonzalez, Kilian M. Pohl, Akshay Chaudhari, Qingyu Zhao · 2024

Recent advancements in medicine have confirmed that brain disorders often comprise multiple subtypes of mechanisms, developmental trajectories, or severity levels. Such heterogeneity is often associat…

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Engineering Preprint PDF DOI

Framework for Curating Speech Datasets and Evaluating ASR Systems: A Case Study for Polish

Micha{l} Junczyk · 2024

Speech datasets available in the public domain are often underutilized because of challenges in discoverability and interoperability. A comprehensive framework has been designed to survey, catalog, an…

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Engineering Preprint PDF DOI

A novel concept for Titan robotic exploration based on soft morphing aerial robots

Fernando Ruiz, Begona Arrue, Anibal Ollero · 2023

This work introduces a novel approach for Titan exploration based on soft morphing aerial robots leveraging the use of flexible adaptive materials. The controlled deformation of the multirotor arms, a…

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Engineering Preprint PDF DOI

Semi-Automatic Labeling and Semantic Segmentation of Gram-Stained Microscopic Images from DIBaS Dataset

Chethan Reddy G.P., Pullagurla Abhijith Reddy, Vidyashree R. Kanabur, Deepu Vijayasenan, Sumam S. David, Sreejith Govindan · 2022

In this paper, a semi-automatic annotation of bacteria genera and species from DIBaS dataset is implemented using clustering and thresholding algorithms. A Deep learning model is trained to achieve th…

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Engineering Preprint PDF DOI

Matryoshka and Disjoint Cluster Synchronization of Networks

Amirhossein Nazerian, Shirin Panahi, Ian Leifer, David Phillips, Hernan Makse, Francesco Sorrentino · 2021

The main motivation for this paper is to present a definition of network synchronizability for the case of cluster synchronization (CS), in an analogous fashion to Barahona and Pecora for the case of …

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Engineering Preprint PDF DOI

Learning from Peers: Deep Transfer Reinforcement Learning for Joint Radio and Cache Resource Allocation in 5G RAN Slicing

Hao Zhou, Melike Erol-Kantarci, Vincent Poor · 2021

Network slicing is a critical technique for 5G communications that covers radio access network (RAN), edge, transport and core slicing.The evolving network architecture requires the orchestration of m…

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Engineering Preprint PDF DOI

Social influence under uncertainty in interaction with peers, robots and computers

Joshua Zonca, Anna Folso, Alessandra Sciutti · 2021

Taking advice from others requires confidence in their competence. This is important for interaction with peers, but also for collaboration with social robots and artificial agents. Nonetheless, we do…

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Engineering Preprint PDF DOI

Longitudinal Pooling & Consistency Regularization to Model Disease Progression from MRIs

Jiahong Ouyang, Qingyu Zhao, Edith V Sullivan, Adolf Pfefferbaum, Susan F. Tapert, Ehsan Adeli, Kilian M Pohl · 2020

Many neurological diseases are characterized by gradual deterioration of brain structure and function. Large longitudinal MRI datasets have revealed such deterioration, in part, by applying machine an…

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Engineering Preprint PDF DOI

The Shapeshifter: a Morphing, Multi-Agent,Multi-Modal Robotic Platform for the Exploration of Titan (preprint version)

Ali-akbar Agha-mohammadi, Andrea Tagliabue, Stephanie Schneider, Benjamin Morrell, Marco Pavone, Jason Hofgartner, Issa A.D. Nesnas, Rashied B. Amini, Arash Kalantari, Alessandra Babuscia, Jonathan Lunine · 2020

In this report for the Nasa NIAC Phase I study, we present a mission architecture and a robotic platform, the Shapeshifter, that allow multi-domain and redundant mobility on Saturn's moon Titan, and p…

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Engineering Preprint PDF DOI

What happens to a ToF LiDAR in fog?

You Li, Pierre Duthon, Michele Colomb, Javier Ibanez-Guzman · 2020

This article focuses on analyzing the performance of a typical time-of-flight (ToF) LiDAR under fog environment. By controlling the fog density within CEREMA Adverse Weather Facility 1 , the relations…

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Engineering Preprint PDF DOI

Emulating duration and curvature of coral snake anti-predator thrashing behaviors using a soft-robotic platform

Shannon M. Danforth, Margaret Kohler, Daniel Bruder, Alison R. Davis Rabosky, Sridhar Kota, Ram Vasudevan, Talia Y. Moore · 2020

This paper presents a soft-robotic platform for exploring the ecological relevance of non-locomotory movements via animal-robot interactions. Coral snakes (genus Micrurus) and their mimics use vigorou…

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Engineering Preprint PDF DOI

Shapeshifter: A Multi-Agent, Multi-Modal Robotic Platform for Exploration of Titan

Andrea Tagliabue, Stephanie Schneider, Marco Pavone, Ali-akbar Agha-mohammadi · 2020

In this paper we present a mission architecture and a robotic platform, the Shapeshifter, that allow multi-domain and redundant mobility on Saturn's moon Titan, and potentially other bodies with atmos…

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Engineering Preprint PDF DOI

On Partly Overloaded Spreading Sequences with Variable Spreading Factor

Michael Karrenbauer, Andreas Weinand, Hans D. Schotten · 2018

Future wireless communications systems are expected to support multi-service operation, i.e. especially multi-rate as well as multi-level quality of service (QoS) requirements. This evolution is mainl…

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Engineering Preprint PDF DOI

A Study of Time-varying Cost Parameter Estimation Methods in Automated Transportation Systems based on Mobile Robots

Pragna Das, Lluis Ribas Xirgo · 2015

Control of systems of automated guided vehicles involves action planning at many levels. For efficient control of these systems, accurate estimation of cost parameters (speed, energy, task completion …

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Engineering Preprint PDF DOI

Towards Energy Efficiency: Forecasting Indoor Temperature via Multivariate Analysis

Francisco Zamora-Martinez, Pablo Romeu, Paloma Botella-Rocamora, Juan Pardo · 2013

The small medium large system (SMLSystem) is a house built at the Universidad CEU Cardenal Herrera (CEU-UCH) for participation in the Solar Decathlon 2013 competition. Several technologies have been i…

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Engineering Preprint PDF DOI

Distributed Control of Generation in a Transmission Grid with a High Penetration of Renewables

Krishnamurthy Dvijotham, Michael Chertkov, Scott Backhaus · 2012

Deviations of grid frequency from the nominal frequency are an indicator of the global imbalance between genera- tion and load. Two types of control, a distributed propor- tional control and a central…

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Engineering Peer-Reviewed PDF DOI

Taxonomic review of the plant bug subfamily Isometopinae for Taiwan and Japanese Southwest Islands, with descriptions of new taxa (Hemiptera: Heteroptera: Miridae: Isometopinae).

 · 1970

The fauna of plant bug subfamily Isometopinae in Taiwan and Japanese Southwest (Nansei) Islands is reviewed. Twenty-five species are recognized, including two new species of Myiomma Puton, M. austrocc…

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