El Proyecto que se describe en esta comunicación pretende potenciar la aplicación industrial de técnicas de razonamiento basadas en lógica difusa a través del desarrollo de una metodología de diseño de circuitos difusos para aplicaciones específicas. Las distintas actividades realizadas se centran tanto en aspectos arquitecturales como de...
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March 29, 2017 (v1)PublicationUploaded on: March 27, 2023
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April 16, 2015 (v1)Publication
El trabajo realizado se resume en los siguientes puntos: Se ha propuesto una metodología práctica para el diseño de sistemas digitales de alta complejidad. Dicha metodología contempla tres niveles de diseño y tres fases de diseño en cada nivel, considerando globalmente todas las actividades de diseño que transcurren entre la definición de las...
Uploaded on: December 4, 2022 -
May 30, 2016 (v1)Publication
Fuzzy controllers have been proven to be universal, that is, they can provide any control surface. Their microelectronic implementation is very suitable to achieve high-speed (real-time operation), and low area and power consumption. This paper focuses on discussing the two basic approaches that can be employed to design programmable universal...
Uploaded on: March 27, 2023 -
September 24, 2018 (v1)Publication
En esta comunicación se describe una nueva técnica de implementación de sistemas difusos, basada en el uso de una librería de módulos específicos, cuyo flujo de diseño combina las herramientas de modelado y simulación del entorno Matlab y las herramientas de síntesis e implementación de FPGAs de Xilinx. La estrategia propuesta aprovecha las...
Uploaded on: December 5, 2022 -
May 17, 2017 (v1)Publication
This paper presents a design technique that allows the automatic synthesis of fuzzy inference systems and accelerates the exploration of the design space of these systems. It is based on generic VHDL code generation which can be implemented on a programmable device (FPGA) or an application specific integrated circuit (ASIC). The set of CAD...
Uploaded on: March 27, 2023 -
March 23, 2017 (v1)Publication
Fingerprint orientation image, also called directional image, is a widely used method in fingerprint recognition. It helps in classification (accelerating fingerprint identification process) as well as in preprocessing or processing steps (such as fingerprint enhancement or minutiae extraction). Hence, efficient storage of directional...
Uploaded on: December 4, 2022 -
March 28, 2017 (v1)Publication
Esta comunicación presenta un algoritmo de dos pasadas para el etiquetado en tiempo real de los componentes conexos en una imagen. El algoritmo propuesto es una buena opción frente a otras alternativas de dos y múltiples pasadas ya que ha sido diseñado considerando que su implementación en FPGAs ofrezca un buen compromiso entre recursos...
Uploaded on: March 27, 2023 -
March 16, 2017 (v1)Publication
This paper surveys the hardware implementation of a de-interlacing algorithm on Field-Programmable Technology for real-time processing. The algorithm presented evaluates the level of motion at each pixel, and determines the interpolation between a spatial and a temporal method according to the presence of motion. To achieve it the algorithm...
Uploaded on: March 27, 2023 -
September 20, 2018 (v1)Publication
Esta comunicación presenta un interpolator tempo- ral basado en lógica difusa que es utilizado para el desentrelazado de la señal de vídeo. El objetivo es que dicho interpolador sea capaz de aprovechar una caracterísctica que cada vez es más frecuente en las secuencias, debido a los estándares de conversión entre distintos formatos de...
Uploaded on: March 27, 2023 -
April 11, 2017 (v1)Publication
Esta comunicación presenta un interpolator temporal basado en lógica difusa que es utilizado para el desentrelazado de la señal de vídeo. El objetivo es que dicho interpolador sea capaz de aprovechar una caracterísctica que cada vez es más frecuente en las secuencias, debido a los estándares de conversión entre distintos formatos de...
Uploaded on: March 27, 2023 -
September 19, 2018 (v1)Publication
Se describe una familia de redes de interconexión para sistemas multiprocesadores. Estas redes utilizan buses múltiples estructurados en varios niveles e incorporan el concepto de tolerancia a fallos mediante redundancia en las vías de comunicación. Sus principales características son: buena relación coste/ rendimiento, fiabilidad, modularidad...
Uploaded on: March 27, 2023 -
March 29, 2017 (v1)Publication
Video de-interlacing algorithms perform a crucial task in video processing. Despite these algorithms are developed using software implementations, their implementations in hardware are required to achieve real-time operation. This paper describes the development of an embedded system for video de-interlacing. The algorithm for video...
Uploaded on: March 24, 2023 -
March 28, 2017 (v1)Publication
This paper presents an algorithm for video de-interlacing. The approach uses three fuzzy logic-based systems to adapt the interpolation strategy to the presence of motion and edges. Furthermore, the algorithm is able to deal with any kind of TV material independently of the source used to acquire the scene. Extensive simulations of standard and...
Uploaded on: March 27, 2023 -
March 23, 2017 (v1)Publication
Muchas tareas básicas de procesado de imágenes requieren la manipulación de grandes volúmenes de información que, en ocasiones, puede resultar ambigua y/o imprecisa como consecuencia de las características propias de las imágenes (gran cantidad de detalles con grandes contrastes de valores de luminancia y secuencias con un elevado grado de...
Uploaded on: March 27, 2023 -
March 16, 2017 (v1)Publication
The tuning of hierarchical fuzzy systems are not supported by the majority of CAD tools available at the market currently. The xfsl tool integrated into Xfuzzy 3 allows the tuning of complex fuzzy systems, for instance, hierarchical systems with modules in cascade. The authors propose the use of this tool for tuning a complex fuzzy system for...
Uploaded on: December 4, 2022 -
March 21, 2017 (v1)Publication
A new motion adaptive algorithm for de-interlacing video is proposed in this paper. It employs two fuzzy systems to interpolate the missing lines of the transmission. One fuzzy system is used to evaluate the motion level at the current pixel, and a second one selects the most adequate temporal interpolation method. The combination of both...
Uploaded on: March 27, 2023 -
March 17, 2017 (v1)Publication
This paper presents the application of soft computing techniques to video processing. Specially, the research work has been focused on de-interlacing task. It is necessary whenever the transmission standard uses an interlaced format but the receiver requires a progressive scanning, as happens in consumer displays such as LCDs and plasma. A...
Uploaded on: December 4, 2022 -
March 23, 2017 (v1)Publication
Interlaced-to-progressive algorithms are currently required by video format conversion systems in order to display a progressive scanning used in modern visualization equipments. Deinterlacing algorithms use interpolation techniques to calculate missing pixels in transmitted fields. A motion adaptive algorithm which employs fuzzy logic to adapt...
Uploaded on: March 27, 2023 -
July 18, 2018 (v1)Publication
A study of circular piezoelectric micro speakers is presented for applications in the audio frequency range, including values for impedance, admittance, noise figures, transducer gain, and acoustic frequency responses. The micro speakers were modelled based on piezoelectric micro ultrasonic transducer (pMUT) design techniques and principles. In...
Uploaded on: March 27, 2023 -
November 19, 2018 (v1)Publication
A classification of inference systems based on approximate reasoning techniques is proposed. An alternative realization method is described for the particular SISC case, which enables reducing the silicon area and increasing the operation speed, making it especially appropriate for real time control applications.
Uploaded on: December 5, 2022