Artículo
Second-order neural core for bioinspired focal-plane dynamic image processing in CMOS
Autor/es | Carmona Galán, Ricardo
Jiménez Garrido, Francisco José Domínguez Matas, Carlos Domínguez Castro, Rafael Espejo Meana, Servando Carlos Petrás, István Rodríguez Vázquez, Ángel Benito |
Departamento | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo |
Fecha de publicación | 2004 |
Fecha de depósito | 2020-04-07 |
Publicado en |
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Resumen | Based on studies of the mammalian retina, a bioinspired model for mixed-signal array processing has been implemented on silicon. This model mimics the way in which images are processed at the front-end of natural visual ... Based on studies of the mammalian retina, a bioinspired model for mixed-signal array processing has been implemented on silicon. This model mimics the way in which images are processed at the front-end of natural visual pathways, by means of programmable complex spatio-temporal dynamic. When embedded into a focal-plane processing chip, such a model allows for online parallel filtering of the captured image; the outcome of such processing can be used to develop control feedback actions to adapt the response of photoreceptors to local image features. Beyond simple resistive grid filtering, it is possible to program other spatio-temporal processing operators into the model core, such as nonlinear and anisotropic diffusion, among others. This paper presents analog and mixed-signal very large-scale integration building blocks to implement this model, and illustrates their operation through experimental results taken from a prototype chip fabricated in a 0.5-μm CMOS technology. |
Identificador del proyecto | IST 2001 38097
TIC 2003 09817 C02 01 N000140210884 |
Cita | Carmona Galán, R., Jiménez Garrido, F.J., Domínguez Matas, C., Domínguez Castro, R., Espejo Meana, S.C., Petrás, I. y Rodríguez Vázquez, Á.B. (2004). Second-order neural core for bioinspired focal-plane dynamic image processing in CMOS. IEEE Transactions on Circuits and Systems I: Regular Papers, 51 (5), 913-925. |
Ficheros | Tamaño | Formato | Ver | Descripción |
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Second-Order Neural Core.pdf | 912.8Kb | [PDF] | Ver/ | |