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Two-dimensional digital filters with minimum cycle time

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2 Author(s)
Ty, K. ; University of Toronto, Toronto, Canada ; Venetsanopoulos, A.N.

In this paper a new two-dimensional (2-D) digital filter structure is presented. The proposed structure has a short clock cycle time or a high data throughput rate, independent of the order of the filter. Parallelism and pipelining are the two features of the proposed filter structure that contribute to its high speed performance. Hardware of the filter utilizing no multipliers is outlined. It has been shown that the filter is capable of filtering images of size up to 512×512 pixels with a TV scan rate of 30 frames/sec in real-time. Finally, the new filter structure is compared to the one implemented by distributed arithmetic and is shown to be superior.

Published in:

Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP '85.  (Volume:10 )

Date of Conference:

Apr 1985