- idUS
- Investigación
- Ciencias
- Instituto de Microelectrónica de Sevilla (IMSE-CNM)
- Artículos (Instituto de Microelectrónica de Sevilla (IMSE-CNM))
- Listar Artículos (Instituto de Microelectrónica de Sevilla (IMSE-CNM)) por autor
Listar Artículos (Instituto de Microelectrónica de Sevilla (IMSE-CNM)) por autor "Carmona Galán, Ricardo"
Mostrando ítems 1-20 de 43
-
Artículo
A 0.8-μm CMOS two-dimensional programmable mixed-signal focal-plane array processor with on-chip binary imaging and instructions storage
Domínguez Castro, Rafael; Espejo Meana, Servando Carlos; Rodríguez Vázquez, Ángel Benito; Carmona Galán, Ricardo; Földesy, Péter; Zarándy, Ákos; Szolgay, Péter; Szirányi, Tamás; Roska, Tamás (Institute of Electrical and Electronics Engineers, 1997)This paper presents a CMOS chip for the parallel acquisition and concurrent analog processing of two-dimensional (2-D) ...
-
Artículo
A 1000 FPS at 128×128 vision processor with 8-bit digitized I/O
Liñán Cembrano, Gustavo; Rodríguez Vázquez, Ángel Benito; Carmona Galán, Ricardo; Jiménez Garrido, Francisco José; Espejo Meana, Servando Carlos; Domínguez Castro, Rafael (Institute of Electrical and Electronics Engineers, 2004)This paper presents a mixed-signal programmable chip for high-speed vision applications. It consists of an array of ...
-
Artículo
A Bio-Inspired Two-Layer Mixed-Signal Flexible Programmable Chip for Early Vision
Carmona Galán, Ricardo; Jiménez Garrido, Francisco José; Domínguez Castro, Rafael; Espejo Meana, Servando Carlos; Roska, Tamás; Rekeczky, Csaba; Petrás, István; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2003)A bio-inspired model for an analog programmable array processor (APAP), based on studies on the vertebrate retina, has ...
-
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 ...
-
Artículo
A CMOS Digital SiPM With Focal-Plane Light-Spot Statistics for DOI Computation
Vornicu, Ion; Bandi, Franco; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2017)Silicon photomultipliers can be used to infer the depth-of-interaction (DOI) in scintillator crystals. DOI can help to ...
-
Artículo
A CMOS Imager for Time-of-Flight and Photon Counting Based on Single Photon Avalanche Diodes and In-Pixel Time-to-Digital Converters
Vornicu, Ion; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Editura Academiei Române, 2014)The design of a CMOS image sensor based on single-photon avalanche-diode (SPAD) array with in-pixel time-to-digital converter ...
-
Artículo
A Low-Resources TDC for Multi-Channel Direct ToF Readout Based on a 28-nm FPGA
Parsakordasiabi, Mojtaba; Vornicu, Ion; Rodríguez Vázquez, Ángel Benito; Carmona Galán, Ricardo (Multidisciplinary Digital Publishing Institute (MDPI), 2021)In this paper, we present a proposed field programmable gate array (FPGA)-based time-to-digital converter (TDC) architecture ...
-
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 ...
-
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 ...
-
Artículo
ACE16K: The Third Generation of Mixed-Signal SIMD-CNN ACE Chips Toward VSoCs
Rodríguez Vázquez, Ángel Benito; Liñán Cembrano, Gustavo; Carranza González, Luis; Roca Moreno, Elisenda; Carmona Galán, Ricardo; Jiménez Garrido, Francisco José; Domínguez Castro, Rafael; Espejo Meana, Servando Carlos (Institute of Electrical and Electronics Engineers, 2004)Today, with 0.18-μm technologies mature and stable enough for mixed-signal design with a large variety of CMOS compatible ...
-
Artículo
All-MOS implementation of RC networks for time-controlled Gaussian spatial filtering
Fernández Berni, Jorge; Carmona Galán, Ricardo (Wiley-Blackwell, 2012)This paper addresses the design and VLSI implementation of MOS-based RC networks capable of performing time-controlled ...
-
Artículo
An 0.5-μm CMOS analog random access memory chip for TeraOPS speed multimedia video processing
Carmona Galán, Ricardo; Espejo Meana, Servando Carlos; Domínguez Castro, Rafael; Rodríguez Vázquez, Ángel Benito; Roska, Tamás; Kozek, Tibor; Chua, Leon O. (Institute of Electrical and Electronics Engineers, 1999)Data compressing, data coding, and communications in object-oriented multimedia applications like telepresence, computer-aided ...
-
Artículo
Architecture-level optimization on digital silicon photomultipliers for medical imaging
Bandi, Franco; Ilisie, Victor; Vornicu, Ion; Carmona Galán, Ricardo; Benlloch, José M.; Rodríguez Vázquez, Ángel Benito (Multidisciplinary Digital Publishing Institute (MDPI), 2022)Silicon photomultipliers (SiPMs) are arrays of single-photon avalanche diodes (SPADs) connected in parallel. Analog silicon ...
-
Artículo
Arrayable Voltage-Controlled Ring-Oscillator for Direct Time-of-Flight Image Sensors
Vornicu, Ion; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2017)Direct time-of-flight (d-ToF) estimation with high frame rate requires the incorporation of a time-to-digital converter ...
-
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 ...
-
Artículo
Bottom-up performance analysis of focal-plane mixed-signal hardware for Viola–Jones early vision tasks
Fernández Berni, Jorge; Carmona Galán, Ricardo; Río Fernández, Rocío del; Rodríguez Vázquez, Ángel Benito (John Wiley & Sons, 2015)Focal-plane mixed-signal arrays have traditionally been designed according to the general claim that moderate accuracy in ...
-
Artículo
CMOS optical-sensor array with high output current levels and automatic signal-range centring
Espejo Meana, Servando Carlos; Domínguez Castro, Rafael; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Institution of Engineering and Technology, 1994)A CMOS compatible photosensor with high output current levels, and an area-efficient scheme for automatic signal-range ...
-
Artículo
CMOS-3D smart imager architectures for feature detection
Suárez Cambre, Manuel; Brea Sánchez, Víctor Manuel; Fernández Berni, Jorge; Carmona Galán, Ricardo; Liñán Cembrano, Gustavo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2012)This paper reports a multi-layered smart image sensor architecture for feature extraction based on detection of interest ...
-
Artículo
Compact CMOS active quenching/recharge circuit for SPAD arrays
Vornicu, Ion; Carmona Galán, Ricardo; Pérez Verdú, Belén; Rodríguez Vázquez, Ángel Benito (Wiley-Blackwell, 2016)Avalanche diodes operating in Geiger mode are able to detect single photon events. They can be employed to photon counting ...
-
Artículo
Compact Real-Time Inter-Frame Histogram Builder for 15-Bits High-Speed ToF-Imagers Based on Single-Photon Detection
Vornicu, Ion; Darie, Ángela; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2019)Time-of-flight (ToF) image sensors based on single-photon detection, i.e., SPADs, require some filtering of pixel readings. ...