Zobrazeno 1 - 10
of 112
pro vyhledávání: '"Rafael Domínguez Castro"'
Autor:
Ángel Rodríguez-Vázquez, Ana González-Márquez, Rafael Domínguez-Castro, Fernando Medeiro, Alberto Villegas, Alexandre Charlet, F. Jimenez-Garrido
Publikováno v:
idUS: Depósito de Investigación de la Universidad de Sevilla
Universidad de Sevilla (US)
idUS. Depósito de Investigación de la Universidad de Sevilla
instname
Universidad de Sevilla (US)
idUS. Depósito de Investigación de la Universidad de Sevilla
instname
This paper reports a Low-Noise CMOS Image Sensor. Low-noise operation is achieved owing to the combination of a noise-enhanced pixel, the use of a two-step ADC architecture and the analysis, and the optimization thereof, of the noise contributed by t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a86590c5d7cf53c3a4a486daf16980ef
Autor:
Servando Espejo, G.L. Cembrano, Ángel Rodríguez-Vázquez, F. Jimenez-Garrido, Rafael Domínguez-Castro, R.C. Galan
Publikováno v:
IEEE Journal of Solid-State Circuits. 39:1044-1055
This paper presents a mixed-signal programmable chip for high-speed vision applications. It consists of an array of processing elements, arranged to operate in accordance with the principles of single instruction multiple data (SIMD) computing archit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c64bee4b19bdc127e6e46b07b87c426
https://doi.org/10.1109/jssc.2004.829931
https://doi.org/10.1109/jssc.2004.829931
Autor:
Rafael Domínguez-Castro, R. del Rio, Fernando Medeiro, Belén Pérez-Verdú, Manuel Delgado-Restituto, J.M. de la Rosa, Ángel Rodríguez-Vázquez
Publikováno v:
IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications. 51:47-62
We present a 90-dB spurious-free dynamic range sigma-delta modulator (/spl Sigma//spl Delta/M) for asymmetric digital subscriber line applications (both ADSL and ADSL+), with up to a 4.4-MS/s digital output rate. It uses a cascade (MASH) multibit arc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::54177f694be4776cc59c2feb0cd474e1
https://doi.org/10.1109/tcsi.2003.821308
https://doi.org/10.1109/tcsi.2003.821308
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
instname
instname
This paper presents the architecture of the Elementary Processing Unit - EPU - which has been employed to design a CNN-Based 128 × 128 Focal Plane Mixed-Signal Microprocessor for vision. The EPU contains the required building blocks to implement, on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6687c271a6ecdd7a6db70bb9ad91226
https://doi.org/10.1142/s0218126603001100
https://doi.org/10.1142/s0218126603001100
Publikováno v:
Analog Integrated Circuits and Signal Processing. 37:73-83
This paper explores trade-offs associated with the scaling of the interaction circuits (synaptic transconductance multipliers) in visual microprocessor chips. These trade-offs are related to the necessity of maintaining analog accuracy of these circu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ea51c79470b13d9ffd0c641cdd93fc5a
https://doi.org/10.1023/a:1025410523340
https://doi.org/10.1023/a:1025410523340
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
instname
instname
This paper describes a full-custom mixed-signal chip which embeds distributed optical signal acquisition, digitally-programmable analog parallel processing, and distributed image memory cache on a common silicon substrate. This chip, designed in a 0.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5f2d4e89aad2cb309fdc8da94a092249
https://doi.org/10.1002/cta.191
https://doi.org/10.1002/cta.191
Publikováno v:
Analog Integrated Circuits and Signal Processing. 33:179-190
From a system level perspective, this paper presents a 128 × 128 flexible and reconfigurable Focal-Plane Analog Programmable Array Processor, which has been designed as a single chip in a 0.35 µm standard digital 1P-5M CMOS technology. The core pro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c30d5ddefc4cbededf5cafb2b80eedbc
https://doi.org/10.1023/a:1021272100265
https://doi.org/10.1023/a:1021272100265
Autor:
Ángel Benito Rodríguez Vázquez, Ricardo Carmona-Galan, Gustavo Linan-Cembrano, Rafael Domínguez Castro
Publikováno v:
International Journal of Circuit Theory and Applications. 27:117-134
In the paper a new hardware architecture for the implementation of a high-speed, low bit-rate image coding system is outlined. Our proposed algorithm is based on the Cellular Neural/Nonlinear Network (CNN) chip-set. A simple and fast method is introd
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a412a218b623460c219042e088654eeb
https://doi.org/10.1002/(sici)1097-007x(199901/02)27:1<117::aid-cta44>3.0.co
https://doi.org/10.1002/(sici)1097-007x(199901/02)27:1<117::aid-cta44>3.0.co
Publikováno v:
The Journal of VLSI Signal Processing. 23:305-318
In this paper a programmable imager with averaging will be described which is intended for averaging of different groups or sets of pixels formed by n × n kernels, n × m kernels or independent pixels of the array. This imager is a 64 × 64 array wh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27c2c4bfeb449d7df6583128f1772cad
https://doi.org/10.1023/a:1008193018623
https://doi.org/10.1023/a:1008193018623
Autor:
Elisenda Roca, Rafael Domínguez-Castro, Manuel Delgado-Restituto, Servando Espejo, Ángel Rodríguez-Vázquez
Publikováno v:
The Journal of VLSI Signal Processing. 23:239-266
This work has been founded by NICOP Grant N68171-98-C-9004 and CICYT Grant No. TIC96-1392-C02-02.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::239f0691c6e0d1609e0de896357b93b6
https://doi.org/10.1023/a:1008184732735
https://doi.org/10.1023/a:1008184732735