Neural network active pixel cell

Details Neural network active pixel cell Neural network active pixel cell

1997-07-22

2000-01-04

Abraham, Fetsum

Active solid-state devices (e.g., transistors, solid-state diode

Responsive to non-electrical signal

Electromagnetic or particle radiation

257 88, 257 83, 257 59, 257 72, 257316, 257295, 257319, 257325, 365145, 307201, G06G 716

Patent

active

060112956

ABSTRACT:
An active pixel image cell which includes a photosensor, active devices for control of the sensor and readout of a signal representing the intensity of light to which the sensor is exposed, and a neuron MOSFET transistor which "both amplifies the signal from the photosensor and" simulates the behavior of a human neuron. An integrated neural network and imaging array may be formed by interconnecting a group of such pixels. Digital signal processing algorithms used for image processing may be implemented at the pixel level by appropriate interconnections between the output signals from the photosensor of surrounding pixels and the neuron MOSFET.

REFERENCES:
patent: 4988891 (1991-01-01), Masahiko
patent: 5129040 (1992-07-01), Hanazato et al.
patent: 5498888 (1996-03-01), Ozawa
patent: 5680475 (1997-10-01), Zwierski et al.
Shibata, T. et al., "A Functional MOS Transistor Featuring Gate-Level Weighted Sum and Threshold Operations, " IEEE Transactons on Electron Devices, pp. 144-1455, vol. 39. No. 6, Jun. 1992.
Shibata, T. et al., "Neuron MOS Binary-Logic Integrated Circuits--Part I: Design Fundamentals and Soft-Hardware-Logic Circuit Implementation," IEEE Transactions on Electron Devices, pp. 570-575, vol. 40. No. 3, Mar. 1993.
Shibata, T. et al., "Neuron MOS Binary-Logic Integrated Circuits--Part II: Simpiflying Techniques of Circuit Configuration and their Practical Applications," IEEE Transactions on Electron Devices, pp. 974-979, vol. 40. No. 5, May 1993.

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