NDLI: Block processing for rank order filtering using the rank order state machine architecture

Content Provider	IEEE Xplore Digital Library
Author	Lucke, L.E. Parhi, K.K.
Copyright Year	1993
Description	Author affiliation: Dept. of Electr. Eng., Minnesota Univ., Minneapolis, MN, USA (Lucke, L.E.; Parhi, K.K.)
Abstract	Rank order filters are nonlinear filters which choose an output based on its rank within a one-dimensional window of sample inputs determined by sorting the inputs. These filters are constructed using running order sorter architectures which utilize the overlap between consecutive outputs to maintain a sorted list of the inputs within the sample window. Additional speedup can be achieved in the rank order filter structures using block processing techniques. Block processing transforms a single-input single-output structure into a parallel-input parallel-output structure. It is difficult to apply block processing to most running order sorters because of the inherent feedback in their structures. A new class two architecture for rank order filtering, the rank order state machine, has been introduced. The authors discuss how block processing can be effectively applied to the rank order state machine architecture. They also extend this architecture to support block structures for stack filtering. Several architectures for rank order filtering and stack filtering using the rank order state machine architecture are presented.<>
Starting Page	357
Ending Page	360
File Size	354748
Page Count	4
File Format	PDF
ISBN	0780374029
ISSN	15206149
DOI	10.1109/ICASSP.1993.319129
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1993-04-27
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Filtering Filters Shift registers Logic Sorting Feedback Decoding Contracts
Content Type	Text
Resource Type	Article

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