Recent Submissions

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    PreVIous: A Methodology for Prediction of Visual Inference Performance on IoT Devices  [Article]

    Velasco Montero, Delia; Fernández Berni, Jorge; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2020)
    This article presents PreVIous, a methodology to predict the performance of convolutional neural networks (CNNs) in terms ...
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    A 32 x 32 Pixel Convolution Processor Chip for Address Event Vision Sensors With 155 ns Event Latency and 20 Meps Throughput  [Article]

    Camuñas Mesa, Luis Alejandro; Acosta Jiménez, Antonio José; Zamarreño Ramos, Carlos; Serrano Gotarredona, María Teresa; Linares Barranco, Bernabé (IEEE Computer Society, 2011)
    This paper describes a convolution chip for event-driven vision sensing and processing systems. As opposed to conventional ...
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    Design considerations for a low-noise CMOS image sensor  [Presentation]

    González Márquez, Ana; Charlet, Alexandre; Villegas, Alberto; Jiménez Garrido, Francisco José; Medeiro Hidalgo, Fernando; Domínguez Castro, Rafael; Rodríguez Vázquez, Ángel Benito (SPIE- The International Society for Optical Engineering, 2015)
    This paper reports a Low-Noise CMOS Image Sensor. Low-noise operation is achieved owing to the combination of a noise-enhanced ...
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    Experimental demonstration of real-time image-processing using a VLSI analog programmable array processor  [Presentation]

    Liñán Cembrano, Gustavo; Domínguez Castro, Rafael; Espejo Meana, Servando Carlos; Roca Moreno, Elisenda; Foldesy, Péter; Rodríguez Vázquez, Ángel Benito (SPIE- The International Society for Optical Engineering, 2000)
    This paper describes a full-custom mixed-signal chip which embeds distributed optical signal acquisition, digitallyprogrammable analog ...
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    Experimental verification of chaotic encryption of audio using monolithic chaotic modulators  [Presentation]

    Delgado Restituto, Manuel; Rodríguez Vázquez, Ángel Benito; Liñán Reyes, Matías (SPIE- The International Society for Optical Engineering, 1995)
    This paper reports the first experimental verification of chaotic encryption of audio signals using integrated circuits. ...
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    Programmable resolution imager for imaging applications  [Presentation]

    Roca Moreno, Elisenda; Soriano Pastor, Germán; Espejo Meana, Servando Carlos; Domínguez Castro, Rafael; Liñán Cembrano, Gustavo; Rodríguez Vázquez, Ángel Benito (SPIE- The International Society for Optical Engineering, 2000)
    In this paper a programmable imager with averaging capabilities will be described which is intended for averaging of ...
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    Towards a computational approach for collision avoidance with real-world scenes  [Presentation]

    Keil, Matthias Sven; Rodríguez Vázquez, Ángel Benito (SPIE- The International Society for Optical Engineering, 2003)
    In the central nervous systems of animals like pigeons and locusts, neurons were identified which signal objects approaching ...
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    Chaotic image encryption using hopfield and hindmarsh–rose neurons implemented on FPGA  [Article]

    Tlelo-Cuautle, Esteban; Díaz-Muñoz, Jonathan Daniel; González-Zapata, Astrid Maritza; Li, Rui; León-Salas, Walter Daniel; Fernández Fernández, Francisco Vidal; Guillén-Fernández, Omar; Cruz-Vega, Israel (Multidisciplinary Digital Publishing Institute (MDPI), 2020)
    Chaotic systems implemented by artificial neural networks are good candidates for data encryption. In this manner, this ...
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    Chaos From Switched-Capacitor Circuits: Discrete Maps  [Article]

    Rodríguez Vázquez, Ángel Benito; Huertas Díaz, José Luis; Rueda Rueda, Adoración; Pérez Verdú, Belén (Institute of Electrical and Electronics Engineers, 1987)
    A special-purpose analog computer made of switched-capacitor circuits is presented for analyzing chaos and bifurcation ...
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    A one-transistor-synapse strategy for electrically-programmable massively-parallel analog array processors  [Presentation]

    Domínguez Castro, Rafael; Espejo Meana, Servando Carlos; Rodríguez Vázquez, Ángel Benito; Carmona Galán, Ricardo (Institute of Electrical and Electronics Engineers, 1997)
    This paper presents a linear, four-quadrants, electrically-programmable, one-transistor synapse strategy applicable to the ...
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    An error-controlled methodology for approximate hierarchical symbolic analysis  [Presentation]

    Guerra Vinuesa, Oscar; Rodríguez García, Juan D.; Roca Moreno, Elisenda; Fernández Fernández, Francisco Vidal; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2000)
    Limitations of existing approaches for symbolic analysis of large analog circuits are discussed. To address their solution, ...
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    A multiplexed mixed-signal fuzzy architecture  [Presentation]

    Vidal Verdú, Fernando; Navas González, Rafael; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1998)
    Analog circuits provide better area/power efficiency than their digital counterparts for low-medium precision requirements. ...
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    A 0.18μm CMOS low-noise elliptic low-pass continuous-time filter  [Presentation]

    Fernández Bootello, Juan Francisco; Delgado Restituto, Manuel; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2005)
    This paper presents a seventh order low-pass continuous-time elliptic filter for use in a high-performance wireline ...
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    Using Building Blocks to Design Analog Neuro-Fuzzy Controllers  [Article]

    Vidal Verdú, Fernando; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1995)
    We present a parallel architecture for fuzzy controllers and a methodology for their realization as analog CMOS chips for ...
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    Toward visual microprocessors  [Article]

    Roska, Tamás; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2002)
    This paper outlines motivations and models underlying the design of visual microprocessors based on the cellular neural ...
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    Tactile retina for slip detection  [Presentation]

    Maldonado López, Rocío; Vidal Verdú, Fernando; Liñán Cembrano, Gustavo; Roca Moreno, Elisenda; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2006)
    The interest in tactile sensors is increasing as their use in complex unstructured environments is demanded, like in ...
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    Robust symmetric multiplication for programmable analog VLSI array processing  [Presentation]

    Domínguez Matas, Carlos; Carmona Galán, Ricardo; Sánchez Fernández, Francisco J.; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2006)
    This paper presents an electrically programmable analog multiplier. The circuit performs the multiplication between an ...
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    Integrated chaos generators  [Article]

    Delgado Restituto, Manuel; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2002)
    This paper surveys the different design issues, from mathematical model to silicon, involved on the design of integrated circuits for the generation of chaotic behavior.
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    Current-Mode Techniques for the Implementation of Continuous- and Discrete-Time Cellular Neural Networks  [Article]

    Rodríguez Vázquez, Ángel Benito; Espejo Meana, Servando Carlos; Domínguez Castro, Rafael; Huertas Díaz, José Luis (Institute of Electrical and Electronics Engineers, 1993)
    This paper presents a unified, comprehensive approach to the design of continuous-time (CT) and discrete-time (DT) ...
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    An ultralow-power mixed-signal back end for passive sensor UHF RFID transponders  [Article]

    Rodríguez Rodríguez, José Antonio; Delgado Restituto, Manuel; Masuch, Jens; Rodríguez Pérez, Alberto; Alarcon Cot, Eduard; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2012)
    This paper describes the design of mixed-signal back end for an ultrahigh-frequency sensor-enabled radio-frequency ...

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