Zobrazeno 1 - 10
of 1 688
pro vyhledávání: '"Lappas, P."'
We introduce Dynamic Distinction Learning (DDL) for Video Anomaly Detection, a novel video anomaly detection methodology that combines pseudo-anomalies, dynamic anomaly weighting, and a distinction loss function to improve detection accuracy. By trai
Externí odkaz:
http://arxiv.org/abs/2404.04986
Autor:
Antonaropoulos, George, Vasilakaki, Marianna, Trohidou, Kalliopi N., Iannotti, Vincenzo, Ausanio, Giovanni, Abeykoon, Milinda, Bozin, Emil S., Lappas, Alexandros
Publikováno v:
Nanoscale 14 (2022) 382-401
The effects of cobalt incorporation in spherical heterostructured iron oxide nanocrystals (NCs) of sub-critical size have been explored by colloidal chemistry methods. Synchrotron X-ray total scattering methods suggest that cobalt (Co) substitution i
Externí odkaz:
http://arxiv.org/abs/2306.09684
Publikováno v:
Smart Cities, Vol 7, Iss 5, Pp 2514-2541 (2024)
LoRa technology is a recent technology belonging to the Low Power and Wide Area Networks (LPWANs), which offers distinct advantages for wireless communications and possesses unique features. Among others, it can be used for localization procedures of
Externí odkaz:
https://doaj.org/article/f67ce7a5266a4ea2a61157bdb5150b40
Autor:
Deltsidis, Alexandros, Simonelli, Laura, Vailakis, Georgios, Berdiell, Izar Capel, Kopidakis, Georgios, Krzton-Maziopa, Anna, Bozin, Emil S., Lappas, Alexandros
Publikováno v:
Inorganic Chemistry 61 (2022) 12797-12808
Two-dimensional iron-chalcogenide intercalates display a remarkable correlation of the interlayer spacing with the enhancement of the superconducting critical temperature ($T_c$). In this work, synchrotron x-ray absorption ($XAS$, at Fe and Se K edge
Externí odkaz:
http://arxiv.org/abs/2303.10716
Autor:
Berdiell, Izar Capel, Pesko, Edyta, Lator, Elijah, Deltsidis, Alexandros, Krzton-Maziopa, Anna, Abeykoon, A. M. Milinda, Bozin, Emil S., Lappas, Alexandros
Publikováno v:
Inorganic Chemistry 61 (2022) 4350-4360
A time-resolved synchrotron X-ray total scattering study sheds light on the evolution of the different structural length scales involved during the intercalation of the layered iron-selenide host by organic molecular donors, aiming at the formation o
Externí odkaz:
http://arxiv.org/abs/2303.10698
Autor:
Hytönen, Tuomas, Lappas, Stefanos
In this paper we revisit the theory of one-parameter semigroups of linear operators on Banach spaces in order to prove quantitative bounds for bounded holomorphic semigroups. Subsequently, relying on these bounds we obtain new quantitative versions o
Externí odkaz:
http://arxiv.org/abs/2208.14198
Autor:
Van Strien, James, Petersen, Phred, Lappas, Petros, Yeo, Leslie, Rezk, Amgad, Vahaji, Sara, Inthavong, Kiao
In addition to topical delivery, nasal sprays offer an alternative drug administration route to the systemic circulation, therefore avoiding the need for painful, invasive delivery techniques. Studies on the efficacy of nasal drug delivery to date ha
Externí odkaz:
http://arxiv.org/abs/2205.01827
Publikováno v:
Digital, Vol 4, Iss 1, Pp 271-301 (2024)
Augmented reality (AR) applications are currently used in many fields for communication and educational purposes. Tourism is also a sector where augmented reality is used for destination marketing and cultural heritage promotion. This study will focu
Externí odkaz:
https://doaj.org/article/018fcb92ebc54da88f7da65454e8b2b6
Autor:
Irene Coralli, Lorenzo Spada, Daniele Fabbri, Seyedeh Rojin Sahriati Pour, Jessica Fiori, Ivano Vassura, Stelios Stefanidis, Angelos Lappas, Lee A. Stevens, Colin E. Snape
Publikováno v:
Journal of Chromatography Open, Vol 5, Iss , Pp 100108- (2024)
Solid sorbents based on silica and polyethyleneimine (PEI) are intensively investigated in the field of carbon capture and storage (CCS). Pyrolysis was proposed as a thermal process to recover the pure silica from exhausted sorbents and convert PEI i
Externí odkaz:
https://doaj.org/article/aadc536546ac4eae8684f30e14604e53
Autor:
Van Strien, James, Shrestha, Kendra, Gabriel, Sargon, Lappas, Petros, Fletcher, David F., Singh, Narinder, Inthavong, Kiao
Publikováno v:
Physics of Fluids 33, 011907 (2021)
Airflow through the nasal cavity exhibits a wide variety of fluid dynamicsbehaviour due to the intricacy of the nasal geometry. The flow is naturallyunsteady and perhaps turbulent, despite CFD in the literature that assumesa steady laminar flow. Time
Externí odkaz:
http://arxiv.org/abs/2107.13680