Ponencia
Focal-Plane Scale Space Generation with a 6T Pixel Architecture
Autor/es | Oliveira, Fernanda D.V.R.
Gomes, José Gabriel Carmona Galán, Ricardo Fernández Berni, Jorge Rodríguez Vázquez, Ángel Benito |
Departamento | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo |
Fecha de publicación | 2016 |
Fecha de depósito | 2019-09-26 |
Publicado en |
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Resumen | Aiming at designing a CMOS image sensor that combines
high fill factor and focal-plane implementation of instrumental
image processing steps, we propose a simple modification in a
standard pixel architecture in order ... Aiming at designing a CMOS image sensor that combines high fill factor and focal-plane implementation of instrumental image processing steps, we propose a simple modification in a standard pixel architecture in order to allow for charge redistribution among neighboring pixels. As a result, averaging operations may be performed at the focal plane, and image smoothing based on Gaussian filtering may thus be implemented. By averaging neighboring pixel values, it is also possible to generate intermediate data structures that are required for the computation of Haar-like features. To show that the proposed hardware is suitable for computer vision applications, we present a systemlevel comparison in which the scale-invariant feature transform (SIFT) algorithm is executed twice: first, on data obtained with a classical Gaussian filtering approach, and then on data generated from the proposed approach. Preliminary schematic and extracted layout pixel simulations are also presented. |
Identificador del proyecto | CNPq 204382/2014-9
CNPq 309148/2013-8 CNPq 479437/2013-0 FAPERJ E-26/201.514/2014 FAPERJ E-26/110.099/2013 TEC2012-38921- C02 TIC 2338-2013 N000141410355 |
Cita | Oliveira, F.D.V.R., Gomes, J.G., Carmona Galán, R., Fernández Berni, J. y Rodríguez Vázquez, Á.B. (2016). Focal-Plane Scale Space Generation with a 6T Pixel Architecture. En IS&T International Symposium on Electronic Imaging San Francisco, USA: Society for Imaging Science and Technology. |
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