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Listar por autor "Leñero Bardallo, Juan Antonio"
Mostrando ítems 1-20 de 57
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Artículo
A 3.6 μ s latency asynchronous frame-free event-driven dynamic-vision-sensor
Leñero Bardallo, Juan Antonio; Serrano Gotarredona, María Teresa; Linares Barranco, Bernabé (Institute of Electrical and Electronics Engineers, 2011)This paper presents a 128 × 128 dynamic vision sensor. Each pixel detects temporal changes in the local illumination. A ...
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Artículo
A Bio-Inspired AER Temporal Tri-Color Differentiator Pixel Array
Farian, Łukasz; Leñero Bardallo, Juan Antonio; Häfliger, Philipp (Institute of Electrical and Electronics Engineers, 2015)This article investigates the potential of a bio-inspired vision sensor with pixels that detect transients between three ...
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Artículo
A Bio-Inspired Vision Sensor With Dual Operation and Readout Modes
Leñero Bardallo, Juan Antonio; Hafliger, Philipp Dominik; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2016)This paper presents a novel event-based vision sensor with two operation modes: intensity mode and spatial contrast ...
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Ponencia
A bioinspired 128x128 pixel dynamic-vision-sensor
Serrano Gotarredona, María Teresa; Leñero Bardallo, Juan Antonio; Linares Barranco, Bernabé (2011)This paper presents a 128x128 dynamic vision sensor. Each pixel detects temporal changes in the local illumination. A ...
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Artículo
A calibration technique for very low current and compact tunable neuromorphic cells: Application to 5-bit 20nA DACs
Leñero Bardallo, Juan Antonio; Serrano Gotarredona, María Teresa; Linares Barranco, Bernabé (Institute of Electrical and Electronics Engineers, 2008)Low current applications, like neuromorphic circuits, where operating currents can be as low as a few nanoamperes or less, ...
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Artículo
A Customizable Thermographic Imaging System for Medical Image Acquisition and Processing
Leñero Bardallo, Juan Antonio; Rosa Vidal, Rafael de la; Padial Allue, Rubén; Ceballos Cáceres, Joaquín Francisco; Rodríguez Vázquez, Ángel Benito; Bernabeu Wittel, José (Institute of Electrical and Electronics Engineers, 2022)A custom system has been developed for medical image acquisition and processing in both the visible and the infrared (IR) ...
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Artículo
A five-decade dynamic-range ambient-light-independent calibrated signed-spatial-contrast AER retina with 0.1-ms latency and optional time-to-first-spike mode
Leñero Bardallo, Juan Antonio; Serrano Gotarredona, María Teresa; Linares Barranco, Bernabé (Institute of Electrical and Electronics Engineers, 2010)Address Event Representation (AER) is an emergent technology for assembling modular multiblock bio-inspired sensory and ...
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Ponencia
A high dynamic range image sensor with linear response based on asynchronous event detection
Leñero Bardallo, Juan Antonio; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2015)This paper investigates the potential of an image sensor that combines event-based asynchronous outputs with conventional ...
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Artículo
A Low-Latency, Low-Power CMOS Sun Sensor for Attitude Calculation Using Photovoltaic Regime and On-Chip Centroid Computation
Gómez Merchán, Rubén; Leñero Bardallo, Juan Antonio; López Carmona, María; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2023)The demand for sun sensors has skyrocketed in the last years due to the huge expected deployment of satellites associated ...
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Ponencia
A Mismatch Calibrated Bipolar Spatial Contrast AER Retina with Adjustable Contrast Threshold
Leñero Bardallo, Juan Antonio; Serrano Gotarredona, María Teresa; Linares Barranco, Bernabé (IEEE Computer Society, 2009)Address Event Representation (AER) is an emergent technology for assembling modular multi-blocks bio-inspired sensory ...
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Artículo
A Mobile Platform for Movement Tracking Based on a Fast-Execution-Time Optical-Flow Algorithm
Rosa Vidal, Rafael de la; Leñero Bardallo, Juan Antonio; Guerrero Rodríguez, José María; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2022)A multi-purpose mechanical platform to track moving objects in three-dimensional space has been developed. It is composed ...
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Artículo
A Rad-hard On-chip CMOS Charge Detector with High Dynamic Range
Saenz-Noval, Jorge J.; Leñero Bardallo, Juan Antonio; Carmona Galán, Ricardo; Gontard, Lionel C. (Institute of Electrical and Electronics Engineers, 2023)This article introduces a CMOS charge detector tailored for measuring ionizing radiation in a wide range of fluences. It ...
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Artículo
A self-powered asynchronous image sensor with TFS operation
Gómez Merchán, Rubén; Leñero Bardallo, Juan Antonio; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers Inc., 2023-04-01)This article presents a self-powered image sensor with a novel pixel architecture with energy harvesting capabilities. ...
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Ponencia
A signed spatial contrast event spike retina chip
Leñero Bardallo, Juan Antonio; Serrano Gotarredona, María Teresa; Linares Barranco, Bernabé (IEEE Computer Society, 2010)Reported AER (Address Event Representation) contrast retinae perform a contrast computation based on the ratio between a ...
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Ponencia
A spatial calibrated AER contrast retina with adjustable contrast threshold
Leñero Bardallo, Juan Antonio; Serrano Gotarredona, María Teresa; Linares Barranco, Bernabé (2009)Address Event Representation (AER) is an emergent technology for assembling modular multi-blocks bio-inspired sensory and ...
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Ponencia
A sun sensor implemented with an asynchronous luminance vision sensor
Leñero Bardallo, Juan Antonio; Guerrero Rodríguez, José María; Farian, Łukasz; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2017)A sun sensor implemented with a spiking pixel matrix is reported. It is the very first one based on an asynchronous ...
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Artículo
A Wide Linear Dynamic Range Image Sensor Based on Asynchronous Self-Reset and Tagging of Saturation Events
Leñero Bardallo, Juan Antonio; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2017)We report a high dynamic range (HDR) image sensor with a linear response that overcomes some of the limitations of sensors ...
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Artículo
Applications of event‐based image sensors—Review and analysis
Leñero Bardallo, Juan Antonio; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Wiley, 2018-08-01)The spread of event‐driven asynchronous vision sensors during the last years has increased significantly the industrial ...
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Artículo
Asynchronous spiking pixel with programmable sensitivity to illumination
Leñero Bardallo, Juan Antonio; Delgado Restituto, Manuel ; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2018)A spiking pixel to be used in image sensor arrays for asynchronous frame-based operation is presented. The pixel features ...
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Trabajo Fin de Grado
Calibración de sensores infrarrojos utilizando la plataforma Raspberry Pi
López Carmona, María (2020)El presente Trabajo Fin de Grado parte de un proyecto colaborativo entre la Universidad de Sevilla y el Departamento de ...