Design and Implementation of a Single-Chip 1-D Median Filter.
CARNEGIE-MELLON UNIV PITTSBURGH PA DEPT OF COMPUTER SCIENCE
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The design and implementation of a 1-Dimensional median filter in VLSI is presented. The device is designed to operate an 8-bit sample sequences with a window size of 5 samples. Extensive pipelining and employment of systolic concepts at the bit level enable the chip to filter at rates up to 10 Mega-samples per second. The chip is designed to be implemented with a lambda 2.5 micro NMOS technology and is 6.2 mm by 5.0 mm in size. A circuit configuration for using the chip in approximate 2-D median filtering is also presented.
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