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

Farid Boussaid; Amine Bermak; Abdesselam Bouzerdoum

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

Farid Boussaid^*, Amine Bermak, Abdesselam Bouzerdoum

^*Corresponding author for this work

Edith Cowan University

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

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 language	English
Title of host publication	Recent Advances in Circuits, Systems and Signal Processing
Publisher	World Scientific and Engineering Academy and Society
Pages	138-142
Number of pages	5
ISBN (Print)	9608052645
Publication status	Published - 2002
Externally published	Yes

Keywords

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

Cite this

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KW - Edge enhancement

KW - Shunting Inhibition

KW - System-On-Chip

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

Abstract

Keywords

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