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Affichage de 1471 à 1480 sur 16064

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⟩

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

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

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⟩

Article dans une revue

A novel cloud approach for connected vehicles

Geoffrey Wilhelm, Marwane Ayaida, Hacène Fouchal

Cooperative intelligent transport systems (C-ITSs) are being deployed all around the world. Shortly, in addition to vehicles, bicycles, pedestrians, buses, and all moving equipment will be compatible with C-ITS. These systems are connected through wireless local area networks based on WIFI IEEE 802…

Applied Sciences, 2023, Special Issue Cooperative-Intelligent Transport Systems: New Challenges, 13 (9), pp.5514. ⟨10.3390/app13095514⟩. ⟨hal-04188109⟩

Article dans une revue

Performance improvement with non-alloyed ohmic contacts technology on AlGaN/GaN High Electron Mobility Transistors on 6H-SiC substrate

Marie Lesecq, Yassine Fouzi, Ali Abboud, N. Defrance, Francois Vaurette, Saliha Ouendi, Etienne Okada, Marc Portail, Micka Bah, Daniel Alquier, Jean-Claude de Jaeger, Eric Frayssinet, Yvon Cordier

In this paper, non-alloyed ohmic contacts regrown by molecular beam epitaxy (MBE) are fabricated on AlGaN/ GaN high-electron-mobility transistors on 6H-SiC substrate. Low ohmic contact resistance of 0.13 Ω.mm is obtained. This paper demonstrates the high frequency and high power performance…

Microelectronic Engineering, 2023, 276, pp.111998. ⟨10.1016/j.mee.2023.111998⟩. ⟨hal-04084512⟩

Article dans une revue

Friction dynamics of elasto-inertial turbulence in Taylor–Couette flow of viscoelastic fluids

Masoud Moazzen, Tom Lacassagne, Vincent Thomy, S. Amir Bahrani

Dynamic properties of elasto-inertial turbulence (EIT) are studied in a Taylor–Couette geometry. EIT is a chaotic flow state that develops upon both non-negligible inertia and viscoelasticity. A combination of direct flow visualization and torque measurement allows to verify the earlier onset of…

Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2023, 381 (2246), ⟨10.1098/rsta.2022.0300⟩. ⟨hal-04215397⟩

Article dans une revue

Development of nanomaterial enabling highly sensitive SALDI‐MS peptide analysis

Aline Cournut, Ioana Silvia Hosu, Flavie Braud, Paul Moustiez, Yannick Coffinier, Christine Enjalbal, Claudia Bich

RationaleSALDI-MS (Surface-Assisted Laser Desorption/Ionisation Mass Spectrometry) is an approach derived from MALDI-MS (Matrix-Assisted Laser Desorption/Ionisation) which overcomes the drawbacks associated with the use of organic matrices required to co-crystallize with the analytes. Indeed,…

Rapid Communications in Mass Spectrometry, 2023, 37 (8), pp.e9476. ⟨10.1002/rcm.9476⟩. ⟨hal-03966738⟩