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greece
Algorithms
Data Science
Artificial Intelligence
Title: A deep learning-powered right ventricle counterpart of the Simpson’s method of discs and uncertainty quantification
Speaker: Archontis Giannakidis, Assistant Professor, School of Science and Technology at Nottingham Trent University (NTU), UK
Abstract: Quantitative evaluation of right ventricular (RV) volumes is of paramount importance in many cardiovascular conditions and is best performed by cardiovascular magnetic resonance imaging (CMR). However, CMR scanners are scarce, costly, and lack portability. Two-dimensional transthoracic echocardiography (2DE) allows for the widely available, low cost and bedside evaluation of RV size and function. 2DE-based quantitative RV analysis is nevertheless restricted by the lack of accurate models of the complex RV shape. In this talk, a feature tokeniser transformer-based model will be presented to calculate the RV end-diastolic (ED) and end-systolic (ES) volumes by relying on tabular data. The proposed method mirrors the Simpson’s method of discs applied to the left ventricular volume calculation task in the sense that it uses area data from various standardised 2DE views (along with age, cardiac phase and gender information) as inputs to the regression model. The pipeline is trained and tested on a small-scale dataset, showing feasibility and promising accuracy.
Bio: Archontis Giannakidis is currently an Assistant Professor in Data Science with the School of Science and Technology at Nottingham Trent University (NTU), UK. Before NTU, Archontis was a Postdoctoral Researcher with the National Heart and Lung Institute at Imperial College London, London, UK (4 years) and the Life Sciences Division at Lawrence Berkeley National Laboratory, Berkeley, CA, USA (3 years). He received his PhD in Electronic Engineering (Inverse Problems) from University of Surrey, UK, where he was advised by Prof. Maria Petrou. He works on the mathematical underpinnings of machine learning and data science, with a special focus on Responsible AI. His research interests lie in the intelligent processing of large amounts of various types of data towards: (i) learning efficient data representations, (ii) revealing hidden patterns in the data, (iii) automating intellectual tasks normally performed by humans, (iv) optimising decision-making, and (v) improving computational modelling of complex systems. Archontis is a member of the special interests group on “Machine Learning and Dynamical Systems” at the Alan Touring Institute. He has gained funding from Innovate UK/EPSRC and the Government Equalities Office, and he holds an international patent for co-inventing a deep learning-based quantitative technique for analysing the right ventricle by relying only on two-dimensional echocardiography.
To position Greece as a leading player in AI and Data Science
To build an AI Excellence Hub in Greece where the international research community can connect, groundbreaking ideas can thrive, and the next generation of scientists emerges, shaping a brighter future for Greece and the world
Welcome to ARCHIMEDES, a vibrant research hub connecting the global AI and Data Science research community fostering groundbreaking research in Greece and beyond. Its dedicated core team, comprising lead researchers, affiliated researchers, Post-Docs, PhDs and interns, is committed to advancing basic and applied research in Artificial Intelligence and its supporting disciplines, including Algorithms, Statistics, Learning Theory, and Game Theory organized around 8 core research areas. By collaborating with Greek and Foreign Universities and Research Institutes, ARCHIMEDES disseminates its research findings fostering knowledge exchange and providing enriching opportunities for students. Leveraging AI to address real-world challenges, ARCHIMEDES promotes innovation within the Greek ecosystem and extends its societal impact. Established in January 2022, as a research unit of the Athena Research Center with support from the Committee Greece 2021, ARCHIMEDES is funded for its first four years by the EU Recovery and Resilience Facility (RRF).
The project “ARCHIMEDES Unit: Research in Artificial Intelligence, Data Science and Algorithms” with code OPS 5154714 is implemented by the National Recovery and Resilience Plan “Greece 2.0” and is funded by the European Union – NextGenerationEU.
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