Ponencia
Concurrent focal-plane generation of compressed samples fromtime-encoded pixel values
Autor/es | Trevisi, M.
Bandala, H.C. Fernández Berni, Jorge Carmona Galán, Ricardo Rodríguez Vázquez, Ángel Benito |
Departamento | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo |
Fecha de publicación | 2018 |
Fecha de depósito | 2019-08-14 |
Publicado en |
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ISBN/ISSN | 1558-1101 |
Resumen | Compressive sampling allows wrapping the relevant content of an image in a reduced set of data. It exploits the sparsity of natural images. This principle can be employed to deliver images over a network under a restricted ... Compressive sampling allows wrapping the relevant content of an image in a reduced set of data. It exploits the sparsity of natural images. This principle can be employed to deliver images over a network under a restricted data rate and still receive enough meaningful information. An efficient implementation of this principle lies in the generation of the compressed samples right at the imager. Otherwise, i. e. digitizing the complete image and then composing the compressed samples in the digital plane, the required memory and processing resources can seriously compromise the budget of an autonomous camera node. In this paper we present the design of a pixel architecture that encodes light intensity into time, followed by a global strategy to pseudo-randomly combine pixel values and generate, on-chip and on-line, the compressed samples. |
Identificador del proyecto | TEC 2015-66878-C3-1-R
TIC 2338-2013 N000141410355 MZO-2017-291062 |
Cita | Trevisi, M., Bandala, H.C., Fernández Berni, J., Carmona Galán, R. y Rodríguez Vázquez, Á.B. (2018). Concurrent focal-plane generation of compressed samples fromtime-encoded pixel values. En Design, Automation & Test in Europe Conference & Exhibition (DATE) (1316-1320), Dresden, Germany: IEEE. |
Ficheros | Tamaño | Formato | Ver | Descripción |
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10.23919_DATE.2018.8342217.pdf | 784.8Kb | [PDF] | Ver/ | Versión postprint |