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Affichage de 1561 à 1570 sur 16167

Article dans une revue

Investigation of Current Collapse Mechanism on AlGaN/GaN Power Diodes

Martin Doublet, N. Defrance, Etienne Okada, Loris Pace, Thierry Duquesne, Bouyssou Emilien, Arnaud Yvon, Nadir Idir, Jean-Claude de Jaeger

In this paper, a methodology is proposed for studying the current collapse effects of Gallium Nitride (GaN) power diodes and the consequences on the dynamic on-resistance (RON). Indeed, the growing interest of GaN based, high frequency power conversion requires an accurate characterization and a…

Electronics, 2023, 12 (9), pp.2007. ⟨10.3390/electronics12092007⟩. ⟨hal-04107504⟩

Article dans une revue

Decentralized fault-tolerant controller based on cooperative smart-wireless sensors in large-scale buildings

Lala Rajaoarisoa, Nacer Kouider M’sirdi, Moamar Sayed-Mouchaweh, Laurent Clavier

The internet of things, based on smart-wireless sensor networks, is more and more used in buildings to monitor and improve their performance in terms of thermal comfort and power consumption. However, a detailed knowledge of the thermal and energy behaviour of the monitored smart building requires…

Journal of Network and Computer Applications (JNCA), 2023, Journal of Network and Computer Applications, 214, pp.103605. ⟨10.1016/j.jnca.2023.103605⟩. ⟨hal-04561576⟩

Article dans une revue

CNN based facial aesthetics analysis through dynamic robust losses and ensemble regression

Fares Bougourzi, Fadi Dornaika, Nagore Barrena, Cosimo Distante, Abdelmalik Taleb-Ahmed

In recent years, estimating beauty of faces has attracted growing interest in the fields of computer vision and machine learning. This is due to the emergence of face beauty datasets (such as SCUT-FBP, SCUT-FBP5500 and KDEF-PT) and the prevalence of deep learning methods in many tasks. The goal of…

Applied Intelligence, 2023, 53, pp.10825-10842. ⟨10.1007/s10489-022-03943-0⟩. ⟨hal-03797287⟩

Article dans une revue

Novel mm-Wave Oscillator Based on an Electromagnetic Bandgap Resonator

Enrico Lia, Indra Ghosh, Stephen Hanham, Benjamin Walter, Fuanki Bavedila, Marc Faucher, Andrew Gregory, Leif Jensen, Jan Buchholz, Horst Fischer, Ulrich Altmann, Rüdiger Follmann

This letter introduces a novel millimeter (mm)-wave oscillator concept based on an electromagnetic bandgap (EBG) resonator (also called a photonic crystal resonator). To realize an ultralow phase noise monolithic microwave integrated circuit (MMIC) oscillator, an EBG resonator is developed by…

IEEE Microwave and Wireless Technology Letters, 2023, 33 (6), pp.863-866. ⟨10.1109/LMWT.2023.3268090⟩. ⟨hal-04189186⟩

Article dans une revue

Automatically weighted binary multi-view clustering via deep initialization (AW-BMVC)

Khamis Houfar, Djamel Samai, Fadi Dornaika, Azeddine Benlamoudi, Khaled Bensid, Abdelmalik Taleb-Ahmed

Clustering is inherently a process of exploratory data analysis. It has attracted more attention recently because much real-world data consists of multiple representations or views. However, it becomes increasingly problematic when dealing with large and heterogeneous data. It is worth noting that…

Pattern Recognition, 2023, 137, pp.109281. ⟨10.1016/j.patcog.2022.109281⟩. ⟨hal-03949422⟩

Article dans une revue

PDAtt-Unet: Pyramid Dual-Decoder Attention Unet for Covid-19 infection segmentation from CT-scans

Fares Bougourzi, Cosimo Distante, Fadi Dornaika, Abdelmalik Taleb-Ahmed

Since the emergence of the Covid-19 pandemic in late 2019, medical imaging has been widely used to analyze this disease. Indeed, CT-scans of the lungs can help diagnose, detect, and quantify Covid-19 infection. In this paper, we address the segmentation of Covid-19 infection from CT-scans. To…

Medical Image Analysis, 2023, 86, pp.102797. ⟨10.1016/j.media.2023.102797⟩. ⟨hal-04187792⟩

Communication dans un congrès

VPP: Privacy Preserving Machine Learning via Undervolting

Md Shohidul Islam, Behnam Omidi, Ihsen Alouani, Khaled Khasawneh

Machine Learning (ML) systems are susceptible to membership inference attacks (MIAs), which leak private information from the training data. Specifically, MIAs are able to infer whether a target sample has been used in the training data of a given model. Such privacy breaching concern motivated…

2023 IEEE International Symposium on Hardware Oriented Security and Trust (HOST), May 2023, San Jose, United States. pp.315-325, ⟨10.1109/HOST55118.2023.10133266⟩. ⟨hal-04182280⟩

Article dans une revue

Subsonic cavity flow control with Micro-Magneto-Mechanical Systems (MMMS) microvalves

Thomas Arnoult, Colin Leclercq, Cécile Ghouila-Houri, A. Mazzamurro, R. Viard, Eric Garnier, C. Poussot-Vassal, A. Merlen, Denis Sipp, Philippe Pernod, Abdelkrim Talbi

Flow control consists in modifying a flow natural state in order to converge towards another state which is considered as favorable, as drag or noise radiation might be reduced. In this paper, open-loop flow control experiments are carried out on a subsonic open-cavity flow. In the case of unstable…

Sensors and Actuators A: Physical , 2023, 354, pp.114257. ⟨10.1016/j.sna.2023.114257⟩. ⟨hal-04045012⟩

Article dans une revue

Design and fabrication of an inverted hat antenna paired with a filled cavity for radio-navigation applications

Z. Hamouda, S. Azaizia, M. Hideche, A. Zemmam, T. Lasri

Antennas installed on aircraft are used for communications as well as for various radio navigation systems such as direction finders, distance measuring systems, and altimeters. Generally, these systems use blade antennas operating in the L frequency band. Recently, inverted-hat empty section…

International Journal of Microwave and Wireless Technologies, 2023, 15 (4), pp.641 - 648. ⟨10.1017/S1759078722000629⟩. ⟨hal-03694832⟩

Article dans une revue

Effect of different separation frequencies of the two-tone input signal on the output power of GaN on SiC HEMT

Mohammad Abdul Alim, Mayahsa Ali, Christophe Gaquière

This research aims to determine whether a GaN HEMT device made on SiC substrate has a memory effect. To accomplish this, the intermodulation distortion technique with the separation frequency (Δf) of the two-tone input signals was applied at three different frequency levels, one at f1 = 53 MHz and…

Micro and Nanostructures, 2023, 177, pp.207547. ⟨10.1016/j.micrna.2023.207547⟩. ⟨hal-04034333⟩