9 February 1996 Plastic retina: image enhancement using polymer grid triode arrays
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Abstract
An array of polymer grid triodes (PGTs) connected through a common grid functions as a 'plastic retina' which provides local contrast gain control for image enhancement. This device, made from layers of conducting polymers, functions as an active resistive network that performs center-surround filtering. The PGT array with common grid is a continuous analog of the discrete approach of Mead, with a variety of fabrication advantages and with a significant saving of 'real estate' within the unit cell of each pixel.
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Alan J. Heeger, Alan J. Heeger, David J. Heeger, David J. Heeger, John D. Langan, John D. Langan, Yang Yang, Yang Yang, } "Plastic retina: image enhancement using polymer grid triode arrays", Proc. SPIE 2716, Smart Structures and Materials 1996: Smart Materials Technologies and Biomimetics, (9 February 1996); doi: 10.1117/12.232150; https://doi.org/10.1117/12.232150
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