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An Electrooptic Multiple-Quantum-Well Device for Image Processing | IEEE Journals & Magazine | IEEE Xplore

An Electrooptic Multiple-Quantum-Well Device for Image Processing


Abstract:

We investigated the use of an analog self-electrooptic effect device based on GaAs multiple quantum wells as an image processor chip to early vision processes. We focused...Show More

Abstract:

We investigated the use of an analog self-electrooptic effect device based on GaAs multiple quantum wells as an image processor chip to early vision processes. We focused our attention at the edge detection process using layouts of photodetectors to extract Laplacians of images. Laplacians of linear, constant, step, and Gaussian intensity profiles agree with the expected values. These results show that the device works properly as an edge detector.
Published in: IEEE Journal of Quantum Electronics ( Volume: 45, Issue: 6, June 2009)
Page(s): 603 - 608
Date of Publication: 28 April 2009

ISSN Information:


I. Introduction

Image processing either improves the visual appearance of images to a human viewer or prepares images for measurement of features and structures. Edge detection is very popular in image processing and is used in other image-processing procedures such as 3-D reconstruction, motion detection, image enhancement, restoration, registration, and compression [1]. Edge detection concerns the localization of significant variation of the gray-level image and the identification of the physical phenomena that originated them [2].

References

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