About

Liviu-Daniel Ștefan is a researcher with the AI Multimedia Lab, CAMPUS Research Institute, and a collaborator with the Faculty of Electronics, Telecommunications and Information Technology, Polytechnic University of Bucharest (UPB), Romania. His research interests cover deep learning for multimedia classification, and multimedia / video / image processing and analysis for various applications, e.g., video surveillance, medical diagnosis, etc. He has been a member of the organizing team for several benchmarking campaigns (e.g., ChaLearn ICPR Multimedia Information Processing for Personality & Social Networks Analysis Challenge), conferences (e.g., ACM ICMR 2017, ICPR workshops 2018, CLEF 2021) and part of the research team of several Romanian/EU funded research projects.

Experience

Researcher

Responsible with the research and development of AI modules and systems.

• 2021–2023: “Platform Specialized in Identifying and Evaluating Early Warning Indices for Crisis Management”;
• 2021–2023: Project DeepVisionRomania “Identifying People in Video Streams using Silhouette Biometrics”;
• 2021–2023: Project IDENEO “Identifying the Unusual Behavior of People in Video Streams”;
• 2020–2024: Project H2020 AI4Media. “A European Excellence Centre for Media, Society and Democracy”;
• 2020–2022: Project SMARTRetail. “Enhancing and Improving Customer Experience and Services in Supermarkets via SMART Artificial Intelligence Powered Systems”;
• 2020–2022: Project GRAVI. “Virtual Guardian: Artificial Intelligence Powered Multi-Sensor System for Automatic Securing of Areas of Interest”;
• 2020 April–2020 July: Project Hana 2. “Financial Data Augmentation and Forecasting Using Advanced AI Techniques”;
• 2020 March–2020 October: Project Keysight 1. “Machine Learning Techniques for Generating Network Traffic Data”;
• 2019 May–2019 December: Project NXP 1. “RISC V-based Hardware-Software System for Machine Learning Applications”;
• 2017–2020: Project SPIA-VA. “Technologies and Innovative Video Systems for Person Re-Identification and Analysis of Dissimulated Behavior”;
• 2017–2018: Project SPOTTER. “Real-time IP Camera-based Intelligent Video Surveillance Security System with DROP Retrieval”;
• 2016–2018: Project Erasmus+ CBHE UMETECH. “University & Media Technology for Cultural Heritage”.

Teaching

Responsible for several laboratories.

• 2019–2020: Computer Vision Fundamentals, postgraduate cycle, Faculty of Electronics, Telecommunications and Information Technology, Polytechnic University of Bucharest;
• 2018–2019: Image Analysis and Processing, undergraduate cycle, Industrial Engineering and Robotics Faculty, Polytechnic University of Bucharest;
• 2016–present: Computer Programming — C language, undergraduate cycle, Faculty of Electronics, Telecommunications and Information Technology, Polytechnic University of Bucharest;
• 2016–present: Data Structures and Algorithms — C language, undergraduate cycle, Faculty of Electronics, Telecommunications and Information Technology, Polytechnic University of Bucharest.

Education

• 2019 September–2020 September: Entrepreneurship training courses, Polytechnic University of Bucharest, Romania;
• 2017 November 6–15: Innovation challenge for PhD Students And Researchers, EIT Raw Materials Academy, Trento, Italy;
• 2017 February–2017 July: Researcher at University of Applied Sciences Western Switzerland, Institute of Information Systems of the HES-SO Valais-Wallis, MedGIFT Lab, Sierre, Switzerland;
• 2016–2021: PhD studies in electronic engineering telecommunications and information tehnologies, Polytechnic University of Bucharest, Faculty of Electronics, Telecommunications and Information Technology, Romania;
• 2014–2016: Master’s degree in multimedia technologies in biometrics and information security applications, Polytechnic University of Bucharest, Faculty of Electronics, Telecommunications and Information Technology, Romania;
• 2009–2012: Bachelor’s degree in economics, Faculty of Economics, Bucharest, Romania.

Awards

• 2017: Finding and Classifying Tuberculosis Types for a Targeted Treatment, in the ImageCLEFtuberculosis task. The goal of this task was to assess the probability of a TB patient having resistant form of tuberculosis based on the analysis of chest CT scan — best run ranked 3rd out of 23 runs.

Papers reviewer / subreviewer

Journals

• ACM Computing Surveys;
• IEEE Transactions on Affective Computing;
• ACM Transactions on Multimedia Computing, Communications and Applications;
• Scientific Bulletin of Polytechnic University of Bucharest, Series C, Electrical Engineering and Computer Science.

Conferences

• IEEE Winter Conference on Applications of Computer Vision [2021, 2022, 2023];
• ACM International Conference on Multimedia (ACMMM) [2019, 2020, 2021, 2022];
• ACM International Conference on Multimedia Retrieval (ICMR) [2022, 2023];
• IEEE International Conference on Multimedia and Expo [2023];
• European Conference on Information Retrieval (ECIR) [2020];
• ACM International Conference on Multimedia- -Open-Source (ACMMM22-Open-Source) [2022];
• International Symposium on Multimedia (ISM) [2019];
• International Conference on MultiMedia Modeling (MMM) [2019];
• IEEE International Conference on Artificial Intelligence and Virtual Reality (IEEE AIVR) [2019];
• Multimedia Evaluation Benchmark Workshop (MediaEval) [2018];
• International Conference on Communications [2019, 2020, 2021, 2022];
• International Workshop on Research & Innovation for Secure Societies (RISS) [2019, 2020, 2021, 2022].

Scientific committees

• 2022–2023: Member in the organizing comittee for the ImageCLEFfusion task in the ImageCLEF, Cross Language Evaluation Forum (CLEF).
• 2021: Member in the organizing comittee for the Conference and Labs of the Evaluation Forum (CLEF);
• 2020–2021: Member in the organizing comittee for the ImageCLEFdrawnUI task, ImageCLEF, part of the Conference and Labs of the Evaluation Forum (CLEF);
• 2019: Member in the organizing comittee for the Predicting Media Memorability Task, MediaEval Benchmarking Initiative for Multimedia Evaluation;
• 2018: Co-organizer of the International Conference on Pattern Recognition (ICPR), Multimedia Information Processing for Personality & Social Networks Analysis Challenge;
• 2017: Member in the organizing committee of the ACM International Conference on Multimedia Retrieval (ICMR).