2009-10-01
Connectivity-preserving transformations of binary images
Publication
Publication
Computer Vision and Image Understanding , Volume 113 - Issue 10 p. 1027- 1038
A binary image I is Ba, Wb-connected, where a, b ∈ {4, 8}, if its foreground is a-connected and its background is b-connected. We consider a local modification of a Ba, wb-connected image I in which a black pixel can be interchanged with an adjacent white pixel provided that this preserves the connectivity of both the foreground and the background of I. We have shown that for any (a, b) ∈ {(4, 8), (8, 4), (8, 8)}, any two Ba, wb-connected images I and J each with n black pixels differ by a sequence of Θ(n2) interchanges. We have also shown that any two B4, W4-connected images I and J each with n black pixels differ by a sequence of O(n4) interchanges.
| Additional Metadata | |
|---|---|
| Binary images, Connectivity, Digital topology, Interchanges, IP-equivalence, Transforming images | |
| dx.doi.org/10.1016/j.cviu.2007.06.003 | |
| Computer Vision and Image Understanding | |
| Organisation | School of Computer Science |
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Bose, P, Dujmović, V, Hurtado, F. (Ferran), & Morin, P. (2009). Connectivity-preserving transformations of binary images. Computer Vision and Image Understanding, 113(10), 1027–1038. doi:10.1016/j.cviu.2007.06.003
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