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Proceedings Paper

Nonlinear preprocessing scheme for JPEG-based image coding
Author(s): Ruikang Yang; Moncef Gabbouj; Yrjo A. Neuvo
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Paper Abstract

In this paper, we propose to use a class of nonlinear filters, called weighted median filters, as preprocessors to JPEG-based image coding. A theory to design weighted median filters which maximally smooth the image subject to a set of important image details is presented. An efficient algorithm is provided and simulations are given to demonstrate the performance of these preprocessors.

Paper Details

Date Published: 1 May 1994
PDF: 10 pages
Proc. SPIE 2186, Image and Video Compression, (1 May 1994); doi: 10.1117/12.173934
Show Author Affiliations
Ruikang Yang, Nokia Research Ctr. (Finland)
Moncef Gabbouj, Tampere Univ. of Technology (Finland)
Yrjo A. Neuvo, Nokia Corp. (Finland)

Published in SPIE Proceedings Vol. 2186:
Image and Video Compression
Majid Rabbani; Robert J. Safranek, Editor(s)

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