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      Design of an analog/digital truly random number generator 

      Espejo Meana, Servando Carlos; Martín, J. D.; Rodríguez Vázquez, Ángel Benito; Huertas Díaz, José Luis (Institute of Electrical and Electronics Engineers, 1990)
      An analog-digital system is presented for the generation of truly random (aperiodic) digital sequences. This model is based ...
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      Experimental demonstration of real-time image-processing using a VLSI analog programmable array processor 

      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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      Four-quadrant one-transistor-synapse for high-density CNN implementations 

      Domínguez Castro, Rafael; Rodríguez Vázquez, Ángel Benito; Espejo Meana, Servando Carlos; Carmona Galán, Ricardo (Institute of Electrical and Electronics Engineers, 1998)
      Presents a linear four-quadrants, electrically-programmable, one-transistor synapse strategy applicable to the implementation ...
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      Hybrid-control of synapse circuits for programmable cellular neural networks 

      Espejo Meana, Servando Carlos; Domínguez Castro, Rafael; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1996)
      This paper describes a hybrid weight-control strategy for VLSI realizations of programmable Cellular Neural Networks (CNNs), ...
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      Implementation of non-linear templates using a decomposition technique by a 0.5 /spl mu/m CMOS CNN universal chip 

      Liñán Cembrano, Gustavo; Foldesy, Péter; Rodríguez Vázquez, Ángel Benito; Espejo Meana, Servando Carlos; Domínguez Castro, Rafael (Institute of Electrical and Electronics Engineers, 2000)
      This paper demonstrates the processing capabilities of a recently designed analog programmable array processor. This new ...
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      Mismatch-induced tradeoffs and scalability of mixed-signal vision chips 

      Rodríguez Vázquez, Ángel Benito; Liñán Cembrano, Gustavo; Espejo Meana, Servando Carlos; Domínguez Castro, Rafael (Institute of Electrical and Electronics Engineers, 2002)
      This paper explores different trade-offs associated with the design of analog VLSI chips. These trade-offs are related to ...
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      Mixed-signal CNN array chips for image processing 

      Rodríguez Vázquez, Ángel Benito; Espejo Meana, Servando Carlos; Domínguez Castro, Rafael; Carmona Galán, Ricardo; Roca Moreno, Elisenda (The International Society for Optical Engineering, 1996)
      Due to their local connectivity and wide functional capabilities, cellular nonlinear networks (CNN) are excellent candidates ...
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      Object oriented image segmentation on the CNNUC3 chip 

      Földesy, Péter; Liñán Cembrano, Gustavo; Rodríguez Vázquez, Ángel Benito; Espejo Meana, Servando Carlos; Domínguez Castro, Rafael (Institute of Electrical and Electronics Engineers, 2000)
      We show how a complex object oriented image analysis algorithm can be implemented on a CNNUM chip for video-coding. Besides ...
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      OWLs: A mixed-signal ASIC for optical wire-less links in space instruments 

      Ramos Martos, J.; Ragel Morales, Antonio; Ceballos Cáceres, Joaquín Francisco; Mora Gutiérrez, José Miguel; Lagos Florido, Miguel Ángel; Espejo Meana, Servando Carlos; Piñero García, Blanca; Muñoz Díaz, Manuel; Sordo Ibáñez, Samuel; Arruego, Ignacio; Martínez Oter, Javier; Álvarez, María Teresa (European Space Agency. Publications Division, 2012)
      This paper describes the design of a mixed-signal ASIC for space application and the techniques employed for radiation ...
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      Programmable resolution imager for imaging applications 

      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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      Programmable retinal dynamics in a CMOS mixed-signal array processor chip 

      Carmona Galán, Ricardo; Jiménez Garrido, Francisco José; Domínguez Castro, Rafael; Espejo Meana, Servando Carlos; Rodríguez Vázquez, Ángel Benito (The International Society for Optical Engineering - SPIE, 2003)
      The low-level image processing that takes place in the retina is intended to compress the relevant visual information to ...
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      Realization of a CNN universal chip in CMOS technology 

      Espejo Meana, Servando Carlos; Domínguez Castro, Rafael; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1995)
      This paper describes the design of a programmable Cellular Neural Network (CNN) chip, with additional functionalities ...
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      Realization of non-linear templates using the CNNUC3 prototype 

      Liñán Cembrano, Gustavo; Foldesy, Péter; Rodríguez Vázquez, Ángel Benito; Espejo Meana, Servando Carlos; Domínguez Castro, Rafael (Institute of Electrical and Electronics Engineers, 2000)
      Demonstrates the processing capabilities of an analog programmable array processor chipMINUS/CNNUC3-which follows the ...
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      SIRENA: A simulation environment for CNNs 

      Domínguez Castro, Rafael; Espejo Meana, Servando Carlos; Rodríguez Vázquez, Ángel Benito; García Vargas, Ignacio; Ramos, Juan F.; Carmona Galán, Ricardo (Institute of Electrical and Electronics Engineers, 1994)
      SIRENA is a general simulation environment for artificial neural networks, with emphasis towards CNNs. A special interest ...
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      Some design trade-offs for large CNN chips using small-size transistors 

      Rodríguez Vázquez, Ángel Benito; Liñán Cembrano, Gustavo; Domínguez Castro, Rafael; Huertas Díaz, José Luis; Espejo Meana, Servando Carlos (Institute of Electrical and Electronics Engineers, 1997)
      Small-size MOS transistors (MOST) exhibit a bunch of second-order effects which limit their application to design Cellular ...
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      Structure reconfigurability of the CNNUC3 for robust template operation 

      Földesy, Péter; Liñán Cembrano, Gustavo; Rodríguez Vázquez, Ángel Benito; Espejo Meana, Servando Carlos; Domínguez Castro, Rafael (Institute of Electrical and Electronics Engineers, 2000)
      We demonstrate the importance of the reconfigurability of a 64/spl times/64 cells size CNN-UM chip. As we show, in such a ...
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      Switched-current techniques for image processing Cellular Neural Networks in MOS VLSI 

      Espejo Meana, Servando Carlos; Rodríguez Vázquez, Ángel Benito; Domínguez Castro, Rafael; Huertas Díaz, José Luis (Institute of Electrical and Electronics Engineers, 1992)
      An architecture and related building blocks are presented for the realization of image processing tasks using current-mode ...
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      The CNNUC3: an analog I/O 64x64 CNN universal machine chip prototype with 7-bit analog accuracy 

      Liñán Cembrano, Gustavo; Espejo Meana, Servando Carlos; Domínguez Castro, Rafael; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2000)
      This paper describes a full-custom mixed-signal chip which embeds distributed optical signal acquisition, digitally-programmable ...
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      Weight-control strategy for programmable CNN chips 

      Espejo Meana, Servando Carlos; Domínguez Castro, Rafael; Rodríguez Vázquez, Ángel Benito; Carmona Galán, Ricardo (Institute of Electrical and Electronics Engineers, 1994)
      This paper describes a hybrid weight-control strategy for the VLSI realization of programmable CNNs, based on automatic ...