Ponencia
Real-time single-exposure ROI-driven HDR adaptation based on focal-plane reconfiguration
Autor/es | Fernández Berni, Jorge
Carmona Galán, Ricardo Río Fernández, Rocío del Kleihorst, R. Philips, Wilfried Rodríguez Vázquez, Ángel Benito |
Departamento | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo |
Fecha de publicación | 2015 |
Fecha de depósito | 2018-05-21 |
Publicado en |
|
ISBN/ISSN | 0277-786X (impreso) 1996-756X (electrónico) |
Resumen | This paper describes a prototype smart imager capable of adjusting the photo-integration time of multiple
regions of interest concurrently, automatically and asynchronously with a single exposure period. The operation
is ... This paper describes a prototype smart imager capable of adjusting the photo-integration time of multiple regions of interest concurrently, automatically and asynchronously with a single exposure period. The operation is supported by two interwined photo-diodes at pixel level and two digital registers at the periphery of the pixel matrix. These registers divide the focal-plane into independent regions within which automatic concurrent adjustment of the integration time takes place. At pixel level, one of the photo-diodes senses the pixel value itself whereas the other, in collaboration with its counterparts in a particular ROI, senses the mean illumination of that ROI. Additional circuitry interconnecting both photo-diodes enables the asynchronous adjustment of the integration time for each ROI according to this sensed illumination. The sensor can be recon gured on-the- y according to the requirements of a vision algorithm. |
Agencias financiadoras | Ministerio de Economía y Competitividad (MINECO). España Junta de Andalucía |
Identificador del proyecto | TEC2012-38921-C02
IPT-2011-1625-430000 IPC-20111009 CDTI TIC 2338-2013 CEICE |
Cita | Fernández Berni, J., Carmona Galán, R., Río Fernández, R.d., Kleihorst, R., Philips, W. y Rodríguez Vázquez, Á.B. (2015). Real-time single-exposure ROI-driven HDR adaptation based on focal-plane reconfiguration. En Proc. SPIE 9400, Real-Time Image and Video Processing (1-6), San Francisco (USA): Society of Photo-Optical Instrumentation Engineers. |
Ficheros | Tamaño | Formato | Ver | Descripción |
---|---|---|---|---|
Real-time.pdf | 751.3Kb | [PDF] | Ver/ | |