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Noticias
La E.T.S. de Ingeniería Informática de la Universidad de Sevilla ha concedido el premio al mejor Proyecto Fin de Carrera de Ingeniería Informática a María del Rocío Romero Moreno, por el proyecto titulado 'Dispositivo hardware para reconocimiento biométrico de firmas en el aire', dirigido por las investigadoras del IMSE-CNM y profesoras de la US Iluminada Baturone Castillo y M. Rosario Arjona López.
25 Julio 2014
♦ Defensa de Trabajos Fin de Máster
Efecto de Single Event Transients (SET) en moduladores sigma-delta.
Daniel Malagón.
IMSE-CNM     18 Julio 2014

Test y demostrador de circuitos integrados de control de IGBTs para topologías de potencia en vehículos eléctricos.
José J. Padilla.
IMSE-CNM     18 Julio 2014
♦ Visitas al IMSE
Escuela Politécnica Superior. Universidad de Sevilla.
16 Julio 2014
Se buscan candidatos para un contrato predoctoral para realizar una tesis doctoral en el área de Tecnología Electrónica y de Comunicaciones asociada al Proyecto de Investigación: Aproximación multinivel al diseño orientado a la fiabilidad de circuitos integrados analógicos y digitales.
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Últimas publicaciones
Fire detection with a frame-less vision sensor working in the NIR band  »
This paper draws the attention of the community about the capabilities of an emerging generation of bio-inspired vision sensors to be used in fire detection systems. Their principle of operation will be described. Moreover experimental results showing the performance of an event-based vision sensor will be provided. The sensor was intended to monitor flames activity without using optic filters. In this article, we will also extend this preliminary work and explore how its outputs can be processed to detect fire in the environment.

Conference Paper - International Conference on Forest Fire Research ICFFR 2014
J.A. Leñero-Bardallo, J. Fernández-Berni, R. Carmona-Galán, P. Häfliger and Á. Rodríguez-Vázquez
Enhanced event-based stereo vision with Gabor filters  »
The recently developed Dynamic Vision Sensors (DVS) sense dynamic visual information asynchronously and code it into trains of events with sub-micro second temporal resolution. This high temporal precision makes the output of these sensors especially suited for dynamic 3D visual reconstruction, by matching corresponding events generated by two different sensors in a stereo setup. This paper explores the use of Gabor filters to extract information about the orientation of the object edges that produce the events, applying the matching algorithm to the events generated by the Gabor filters and not to those produced by the DVS. This strategy provides more reliably matched pairs of events, improving the final 3D reconstruction.

Conference Paper - Conference on Design of Circuits and Integrated Systems DCIS 2014
L.A. Camuñas-Mesa, T. Serrano-Gotarredona, S.H. Ieng, R. Benosman and B. Linares-Barranco
Automated generation of the optimal performance trade-offs of integrated inductors  »
In this paper, a new methodology for the automated generation of the optimal performance trade-offs of integrated inductors is presented. The methodology combines a multiobjective optimization algorithm with electromagnetic simulation to get highly accurate results. A set of sized inductors is obtained showing the best performance trade-offs for a given technology. Unlike reported approaches for inductor synthesis, performance trade-offs are generated offline, i.e., before any specific inductance or quality factor are required. The tight efficiency versus accuracy trade-off of existing approaches is, in this way, avoided and performance evaluation via electromagnetic simulation becomes affordable.

Article - IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, vol. 33, no. 8, pp. 1269-1273, 2014
IEEE
DOI: 10.1109/TCAD.2014.2316092   » doi
ISSN: 0278-0070
R. González-Echevarría, R. Castro-López, E. Roca, F.V. Fernández, J. Sieiro, N.Vidal and J.M. López-Villegas
Review of ADCs for imaging  »
The aim of this article is to guide image sensors designers to optimize the analog-to-digital conversion of pixel outputs. The most common ADCs topologies for image sensors are presented and discussed. The ADCs specific requirements for these sensors are analyzed and quantified. Finally, we present relevant recent contributions of specific ADCs for image sensors and we compare them using a novel FOM.

Conference Paper - Image Sensors and Imaging Systems 2014
J.A. Leñero-Bardallo, J. Fernández-Berni and Á. Rodríguez-Vázquez
Monolithic integration of Giant Magnetoresistance (GMR) devices onto standard processed CMOS dies  »
Giant Magnetoresistance (GMR) based technology is nowadays the preferred option for low magnetic fields sensing in disciplines such as biotechnology or microelectronics. Their compatibility with standard CMOS processes is currently investigated as a key point for the development of novel applications, requiring compact electronic readout. In this paper, such compatibility has been experimentally studied with two particular non-dedicated CMOS standards: 0.35 μm from AMS (Austria MicroSystems) and 2.5 μm from CNM (Centre Nacional de Microelectrònica, Barcelona) as representative examples. GMR test devices have been designed and fabricated onto processed chips from both technologies. In order to evaluate so obtained devices, an extended characterization has been carried out including DC magnetic measurements and noise analysis. Moreover, a 2D-FEM (Finite Element Method) model, including the dependence of the GMR device resistance with the magnetic field, has been also developed and simulated. Its potential use as electric current sensors at the integrated circuit level has also been demonstrated.

Article - Microelectronics Journal, vol. 45, no. 6, pp 702-707, 2014
ELSEVIER
DOI: 10.1016/j.mejo.2014.03.015   » doi
ISSN: 0026-2692
M.-D. Cubells-Beltrán, C. Reig, A. de Marcellis, E. Figueras, A. Yúfera, B. Zadov, E. Paperno, S. Cardoso and P.P. Freitas
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