A current-mode CMOS imager using shunting inhibition-based dynamic range compression

Farid Boussaid, Amine Bermak, Abdesselam Bouzerdoum

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

An ultra-wide dynamic range current-mode CMOS imager is presented. It achieves dynamic range compression by using biologically inspired shunting inhibition vision models. As a result, it features retina-like characteristics, enabling the sensor to adapt to a wide range of scene illumination conditions. Local image contrast and edge information are preserved and can be further enhanced. The properties of the shunting inhibition-based dynamic range compression can be defined by a simple set of externally-tunable parameters, making the proposed current-mode CMOS imager architecture fully programmable. The prototype was designed in full custom ALCATEL 0.5μm CMOS technology.

Original languageEnglish
Title of host publicationRecent Advances in Circuits, Systems and Signal Processing
PublisherWorld Scientific and Engineering Academy and Society
Pages138-142
Number of pages5
ISBN (Print)9608052645
Publication statusPublished - 2002
Externally publishedYes

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Keywords

  • CMOS imager
  • Dynamic Range
  • Edge enhancement
  • Shunting Inhibition
  • System-On-Chip
  • VLSI

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Boussaid, F., Bermak, A., & Bouzerdoum, A. (2002). A current-mode CMOS imager using shunting inhibition-based dynamic range compression. In Recent Advances in Circuits, Systems and Signal Processing (pp. 138-142). World Scientific and Engineering Academy and Society.