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A low-power CMOS implementation of programmable CNN's with embedded photosensors

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4 Author(s)
Anguita, M. ; Dept. de Electron. y Tecnologia de Computadores, Granada Univ., Spain ; Pelayo, F.J. ; Fernandez, F.J. ; Prieto, A.

In this brief, an analog CMOS implementation of a Cellular Neural Network (CNN) is presented, which is based on a combination of MOS transistors operating in different modes: weak and strong-inversion and MOS transistors operated in the lateral bipolar mode. This combination has enabled a VLSI implementation of a simplified version of the original CNN model with the main characteristics of low-power consumption, programmability, and embedded photosensors to process images directly projected on the chip. An 8×8-cell CNN chip prototype is reported with experimental results for different image processing tasks. A density of 10.7 cells/mm2 in a 1.2-μm CMOS technology and a power consumption of tens of microwatts per cell are obtained

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Circuits and Systems I: Fundamental Theory and Applications, IEEE Transactions on  (Volume:44 ,  Issue: 2 )