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Proceedings Paper

New systolic array architecture for vector median filters
Author(s): Long-Wen Chang
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Paper Abstract

In digital image and audio processing, the scalar median filter is very effective in removing impulse noise and preserves the edge in the signal. Neuvo extended the scalar median and introduced vector median, which processes the vector signal. Since the vector median utilizes the correlation between different components, it is better than componentwise scalar median for color image processing. In this paper, a new systolic array architecture for computing the vector median of a series of vector signals is proposed. In pipeline processing of a sequence of vector signals it can output a vector median every clock with clock time just about computing one multiplication.

Paper Details

Date Published: 28 December 1998
PDF: 8 pages
Proc. SPIE 3653, Visual Communications and Image Processing '99, (28 December 1998); doi: 10.1117/12.334742
Show Author Affiliations
Long-Wen Chang, National Tsing Hua Univ. (Taiwan)

Published in SPIE Proceedings Vol. 3653:
Visual Communications and Image Processing '99
Kiyoharu Aizawa; Robert L. Stevenson; Ya-Qin Zhang, Editor(s)

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