Leonardo (Leo) Alchieri

Leonardo (Leo) Alchieri

PhD Student
Università della Svizzera italiana
Leonardo Alchieri is a PhD student at the Faculty of Informatics, Università della Svizzera italiana (USI), supervised by Prof. Silvia Santini. His research pursues machine learning for affective, wearable, and ubiquitous computing. Recently, his focus has been on foundation models for wearable signals.
Publications
Leonardo Alchieri, Matteo Garzon, Lidia Alecci, Francesco Bombassei De Bona, Martin Gjoreski, Giovanni de Felice, Silvia Santini (2026). A foundation model for electrodermal activity data. CoRR.
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Nouran Abdalazim, Leonardo Alchieri, Lidia Alecci, Giovanni de Felice, Silvia Santini (2025). Blue Mondays and Happy Meals: Investigating the Impact of Contextual Factors on Mood States. Companion of the 2025 ACM International Joint Conference on Pervasive and Ubiquitous Computing, UbiComp Companion 2025, Espoo, Finland, October 12-16, 2025.
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Leonardo Alchieri, Lino Candian, Nouran Abdalazim, Lidia Alecci, Giovanni de Felice, Silvia Santini (2025). Exploring Generalist Foundation Models for Time Series of Electrodermal Activity Data. Companion of the 2025 ACM International Joint Conference on Pervasive and Ubiquitous Computing, UbiComp Companion 2025, Espoo, Finland, October 12-16, 2025.
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Lidia Alecci, Alessandro Zanzi, Matías Laporte, Leonardo Alchieri, Nouran Abdalazim, Giovanni de Felice, Silvia Santini (2025). Robust PPG Authentication: The Role of Temporal, Individual, and State Variability. Companion of the 2025 ACM International Joint Conference on Pervasive and Ubiquitous Computing, UbiComp Companion 2025, Espoo, Finland, October 12-16, 2025.
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Leonardo Alchieri, Nouran Abdalazim, Lidia Alecci, Shkurta Gashi, Martin Gjoreski, Silvia Santini (2024). Lateralization Effects in Electrodermal Activity Data Collected Using Wearable Devices. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol..
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Nouran Abdalazim, Leonardo Alchieri, Lidia Alecci, Silvia Santini (2023). BiHeartS: Bilateral Heart Rate from multiple devices and body positions for Sleep measurement Dataset. CoRR.
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Lidia Alecci, Leonardo Alchieri, Nouran Abdalazim, Pietro Barbiero, Silvia Santini, Martin Gjoreski (2023). Enhancing XGBoost with Heuristic Smoothing for Transportation Mode and Activity Recognition. Adjunct Proceedings of the 2023 ACM International Joint Conference on Pervasive and Ubiquitous Computing & the 2023 ACM International Symposium on Wearable Computing, Cancun, Quintana Roo, Mexico, October 8-12, 2023.
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Leonardo Alchieri, Lidia Alecci, Nouran Abdalazim, Silvia Santini (2023). Recognition of Engagement from Electrodermal Activity Data Across Different Contexts. Adjunct Proceedings of the 2023 ACM International Joint Conference on Pervasive and Ubiquitous Computing & the 2023 ACM International Symposium on Wearable Computing, Cancun, Quintana Roo, Mexico, October 8-12, 2023.
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Leonardo Alchieri, Luigi Celona, Simone Bianco (2023). Video-Based Emotion Estimation Using Deep Neural Networks: A Comparative Study. Image Analysis and Processing - ICIAP 2023 Workshops - Udine, Italy, September 11-15, 2023, Proceedings, Part I.
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Nouran Abdalazim, Joseba Aitzol Arbilla Larraza, Leonardo Alchieri, Lidia Alecci, Silvia Santini, Shkurta Gashi (2022). Heart Rate During Sleep Measured Using Finger-, Wrist- and Chest-Worn Devices: A Comparison Study. Pervasive Computing Technologies for Healthcare - 16th EAI International Conference, PervasiveHealth 2022, Thessaloniki, Greece, December 12-14, 2022, Proceedings.
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Leonardo Alchieri, Nouran Abdalazim, Lidia Alecci, Shkurta Gashi, Elena Di Lascio, Silvia Santini (2022). On the Impact of Lateralization in Physiological Signals from Wearable Sensors. Adjunct Proceedings of the 2022 ACM International Joint Conference on Pervasive and Ubiquitous Computing and the 2022 ACM International Symposium on Wearable Computers, UbiComp/ISWC 2022, Cambridge, United Kingdom, September 11-15, 2022.
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Lidia Alecci, Nouran Abdalazim, Leonardo Alchieri, Shkurta Gashi, Silvia Santini (2022). On the mismatch between measured and perceived sleep quality. Adjunct Proceedings of the 2022 ACM International Joint Conference on Pervasive and Ubiquitous Computing and the 2022 ACM International Symposium on Wearable Computers, UbiComp/ISWC 2022, Cambridge, United Kingdom, September 11-15, 2022.
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