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Real-time optical 2D wavelet transform based on the JPEG2000 standards

Published online by Cambridge University Press:  24 October 2008

A. Alkholidi ,
A. Cottour ,
A. Alfalou ,
H. Hamam  and
G. Keryer
A. Alkholidi
Affiliation:
Laboratoire Brest-ISEN (L@BISEN), Institut Supérieur d'Électronique et du Numérique de Brest, France
A. Cottour
Affiliation:
Laboratoire Brest-ISEN (L@BISEN), Institut Supérieur d'Électronique et du Numérique de Brest, France
A. Alfalou*
Affiliation:
Laboratoire Brest-ISEN (L@BISEN), Institut Supérieur d'Électronique et du Numérique de Brest, France
H. Hamam
Affiliation:
Faculté d'Ingénierie, Université de Moncton, Canada
G. Keryer
Affiliation:
Laboratoire Brest-ISEN (L@BISEN), Institut Supérieur d'Électronique et du Numérique de Brest, France
*
ayman.al-falou@isen.fr
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Abstract

In image processing, the Wavelet Transform (WT) islargely used. However, time requirements for large two-dimensionalimage transforms are hard to meet with sequential implementations.Parallel implementation decreases the processing time and allowsto reach a real-time operation in image coding. Unfortunately,this parallel coding increases the hardware complexity.We propose an optical implementation of the JPEG2000 compressionusing a special implementation of the WT. Special attention ispaid to propose a simple all optical setup carrying out theoptical implementation of JPEG2000 compression for gray-levelimages. Finally, an adaptation of our technique to colored imagesis proposed. Wb

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 44 , Issue 3 , December 2008 , pp. 261 - 272
Copyright
© EDP Sciences, 2008

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