Plastic retina: image enhancement using polymer grid triode arrays

Alan J. Heeger, David J. Heeger, John D. Langan, Yang Yang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
PublisherSociety of Photo-Optical Instrumentation Engineers
Pages28-35
Number of pages8
Volume2716
ISBN (Print)0819420913, 9780819420916
DOIs
StatePublished - 1996
EventSmart Materials Technologies and Biomimetics - San Diego, CA, USA
Duration: Feb 26 1996Mar 2 1996

Other

OtherSmart Materials Technologies and Biomimetics
CitySan Diego, CA, USA
Period2/26/963/2/96

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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