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Design and implementation of a general purpose VLSI median filter unit and its applications

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3 Author(s)
Karaman, Mustafa ; Dept. of Electr. & Electron. Eng., Bilkent Univ., Ankara, Turkey ; Onural, L. ; Atalar, A.

A VLSI median filter unit has been designed and implemented in 3-μm M2CMOS, using full-custom VLSI design techniques. The unit consists of two single-chip median filters, one extensible and one real-time. The chips are bit-level pipelined systolic structures based on odd/even transposition sorting. The extensible chip is designed for applications requiring variable window sizes and variable word-lengths, whereas the other one is for real-time applications. Various median filtering techniques are easily realized by using the designed chips together with reasonable external hardware

Published in:

Acoustics, Speech, and Signal Processing, 1989. ICASSP-89., 1989 International Conference on

Date of Conference:

23-26 May 1989