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Communication dans un congrès

Segmentation and classification of benign and malignant breast tumors via texture characterization from ultrasound images

Mohamed Benaouali, Mohamed Bentoumi, Menad Touati, Abdelmalik Taleb-Ahmed, Malika Mimi

The present paper deals with breast tumors classification from ultrasound images. The proposed procedure consists of four steps, namely preprocessing, segmentation, feature extraction and classification. To improve the quality of ultrasound images, the preprocessing step consists of anisotropic...

2022 7th International Conference on Image and Signal Processing and their Applications (ISPA), May 2022, Mostaganem, Algeria. pp.1-4, ⟨10.1109/ISPA54004.2022.9786350⟩. ⟨hal-03689545⟩

Communication dans un congrès

Towards high buffer breakdown field and high temperature stability AlGaN channel HEMTs on silicon substrate

Jash Mehta, Idriss Abid, Julien Bassaler, Julien Pernot, Philippe Ferrandis, Stephanie Rennesson, T.H. Ngo, Maud Nemoz, Sébastian Tamariz, Yvon Cordier, Fabrice Semond, F Medjdoub

The rapidly increasing power demand, downsizing of power electronics and material specific performance limitation of silicon has led to the development of AlGaN/GaN heterostructures for high power applications. In this frame, emerging AlxGa1-xN channel based heterostructures show promising features...

Compound Semiconductor Week, CSW 2022, Jun 2022, Ann Arbor MI, United States. 2 p. ⟨hal-03828829⟩

Article dans une revue

P-CRITICAL: a reservoir autoregulation plasticity rule for neuromorphic hardware

Ismael Balafrej, Fabien Alibart, Jean Rouat

Backpropagation algorithms on recurrent artificial neural networks require an unfolding of accumulated states over time. These states must be kept in memory for an undefined period of time which is task-dependent and costly for edge devices. This paper uses the reservoir computing paradigm where an...

Neuromorphic Computing and Engineering, 2022, 2 (2), pp.024007. ⟨10.1088/2634-4386/ac6533⟩. ⟨hal-04348637⟩

Article dans une revue

A CNN-Based Methodology for Cow Heat Analysis from Endoscopic Images

Ruiwen He, Halim Benhabiles, Feryal Windal, Gaël Even, Christophe Audebert, Agathe Decherf, Dominique Collard, Abdelmalik Taleb-Ahmed

In cattle farming, the artificial insemination technique is a biotechnology that brings to farmers a wide range of benefits namely health security, genetic gain and economic costs. The main condition for the success of artificial insemination within cattle is the heat (or estrus) detection. In this...

Applied Intelligence, 2022, 52, pp 8372-8385. ⟨10.1007/s10489-021-02910-5⟩. ⟨hal-03429750⟩

Article dans une revue

Enhancing Colistin Activity against Colistin-Resistant Escherichia coli through Combination with Alginate Nanoparticles and Small Molecules

Noura Hazime, Yanath Belguesmia, Isabelle Kempf, Alexandre Barras, Djamel Drider, Rabah Boukherroub

Bacterial resistance to antibiotics has become a major public health problem worldwide, with the yearly number of deaths exceeding 700,000. To face this well-acknowledged threat, new molecules and therapeutic methods are considered. In this context, the application of nanotechnology to fight...

Pharmaceuticals, 2022, 15 (6), pp.682. ⟨10.3390/ph15060682⟩. ⟨hal-03689287⟩

Article dans une revue

Adsorption-reduction of Cr(VI) onto unmodified and phytic acid-modified carob waste: Kinetic and isotherm modeling

Kenza Bouaouina, Alexandre Barras, Nacer Bezzi, Mohammed Amin, Sabine Szunerits, Rabah Boukherroub

Carob waste (CW) is an agro-biomass material abundant in nature with potential use for eco-friendly remediation. However, like many biomass-based adsorbents, it suffers from its low adsorption capacity for organic/inorganic pollutants. Therefore, modification using physical and/or chemical means is...

Chemosphere, 2022, 297, pp.134188. ⟨10.1016/j.chemosphere.2022.134188⟩. ⟨hal-03663997⟩

Article dans une revue

[Review] Lessons from neonatal β-cell epigenomic for diabetes prevention and treatment

Amar Abderrahmani, Cécile Jacovetti, Romano Regazzi

Pancreatic β-cell expansion and functional maturation during the birth-to-weaning period plays an essential role in the adaptation of plasma insulin levels to metabolic needs. These events are driven by epigenetic programs triggered by growth factors, hormones, and nutrients. These mechanisms...

Trends in Endocrinology and Metabolism = Trends in Endocrinology & Metabolism , 2022, 33 (6), pp 378-389. ⟨10.1016/j.tem.2022.03.002⟩. ⟨hal-03662823⟩

Article dans une revue

Ionic Transport and Charge Distribution in Miniaturized Electrochemical Energy Storage Devices by Modeling Investigation

Yannick Dufil, Frederic Favier, Thierry Brousse, Christophe Lethien, Jean Le Bideau, Olivier Fontaine

Ions are at the core of the mechanism involved in electrochemical energy storage. However, it remains difficult to physically measure the local ionic transport inside a working device. Limiting factors in the local transport in miniaturized electrochemical energy storage (MEES), especially in 3D Li...

Journal of The Electrochemical Society, 2022, 169 (6), pp.060551. ⟨10.1149/1945-7111/ac7a65⟩. ⟨hal-03706957⟩

Article dans une revue

Chemical sensor based on a novel capacitive microwave flexible transducer with polymer nanocomposite-carbon nanotube sensitive film

Prince Bahoumina, Hamida Hallil, Jean-Luc Lachaud, Dominique Rebière, Corinne Dejous, Aymen Abdelghani, Kamel Frigui, Stéphane Bila, Dominique Baillargeat, Qing Zhang, Phillipe Coquet, Carlos Paragua, Emmanuelle Pichonat, Henri Happy

This study presents the results on the feasibility of a resonant planar chemical capacitive sensor in the microwave frequency range suitable for gas detection and wireless communication applications. The final aim is to develop a low cost ultra-sensitive sensor that can be integrated into a real...

Microsystem Technologies, 2022, ⟨10.1007/s00542-018-4099-4⟩. ⟨hal-01999465⟩

Communication dans un congrès

Influence of size and charge of carbon quantum dots on corneal penetration

Ines de Hoon, Alexandre Barras, Mike Wels, Bernd Vanmeerhaege, Stefaan de Smedt, Felix Sauvage, Sabine Szunerits

Purpose : Corneal blindness is the fourth leading cause of blindness. Currently, corneal transplantation is the only remaining therapeutic option as pharmacotherapy remains limited. As the cornea has several physiological and anatomical barriers, direct delivery of therapeutics into the eye remains...

ARVO Annual Meeting 2022, May 2022, Denver, CO, United States. Investigative Ophthalmology & Visual Science, June 2022, 1303 - F0118. ⟨hal-03823676⟩