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Improved 3 × 3 sequential Euclidean distance transform
Author(s) -
Kwon OhKyu,
Suh Jung W.
Publication year - 2013
Publication title -
ieej transactions on electrical and electronic engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.254
H-Index - 30
eISSN - 1931-4981
pISSN - 1931-4973
DOI - 10.1002/tee.21858
Subject(s) - euclidean distance , computation , euclidean geometry , distance transform , euclidean distance matrix , algorithm , computer science , point (geometry) , separable space , euclidean algorithm , artificial intelligence , mathematics , image (mathematics) , geometry , mathematical analysis
We propose an improved 3 × 3 sequential Euclidean distance transform (DT) using quad‐scan propagation. Our method has a separable scan structure that can be processed with a multicore processor to reduce computation time with a better accuracy. The computer simulation shows that the proposed DT algorithm approximates the Euclidean map more precisely than conventional 3 × 3 DTs while reducing dramatically computation time comparable to 8‐point sequential Euclidean distance algorithm. © 2013 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.

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