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A countinuous-time cellular neural network chip for direction-selectable connected component detection with optical image acquisition

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dc.creator Espejo-Meana, S.
dc.creator Domínguez-Castro, R.
dc.creator Carmona-Galán, R.
dc.creator Rodríguez-Vázquez, Ángel
dc.date 2008-03-30T18:54:30Z
dc.date 2008-03-30T18:54:30Z
dc.date 1994-09
dc.date.accessioned 2017-01-31T01:01:20Z
dc.date.available 2017-01-31T01:01:20Z
dc.identifier Fourth International Conference on Microelectronics for Neural Networks and Fuzzy Systems (MICRONEURO’94), pp. 383-391, Turin, Italy, September 1994.
dc.identifier http://hdl.handle.net/10261/3369
dc.identifier.uri http://dspace.mediu.edu.my:8181/xmlui/handle/10261/3369
dc.description This paper presents a continuous-time Cellular Neural Network (CNN) chip [1] for the application of Connected Component Detection (CCDet) [2]. Projection direction can be selected among four different possibilities. Every cell (or pixel) in the 32 x 32 array includes a photosensor circuitry and an automatic tuning circuitry to adapt to average environmental illumination. Electrical image uploading is possible as well. Input pixel-values are stored on local memories (one per cell), allowing sequential processing of the acquired image in different directions.
dc.description The prototype has been designed and fabricated on a standard digital CMOS technology: 1.6μm, n-well, single-poly, double-metal. Circuit implementation is based on current-mode techniques and uses a systematic approach valid for any CNN application [3]. Cell dimensions, including the CNN processing circuitry, the photosensor and the adaptive circuitry are 145 x 150 μm2, of which the sensor and adaptive circuitry amounts to ~15% of the total pixel area and the wiring and multiplexing (required for direction selectability) to about 40%. The remaining 45% corresponds to the CNN processing circuitry. Pixel density is ~46 cells/mm2, and power dissipation is 0.33mW/cell. These area and power figures forecast single-die CMOS chips with 100 x 100 complexity and about 3W power consumption.
dc.description Peer reviewed
dc.format 172669 bytes
dc.format application/pdf
dc.language eng
dc.publisher Institute of Electrical and Electronics Engineers
dc.rights openAccess
dc.title A countinuous-time cellular neural network chip for direction-selectable connected component detection with optical image acquisition
dc.type Comunicación de congreso


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