We introduce a new class of two-dimensional cellular automata (CAs) whose inter-cell communication is restricted to 1-bit and propose a linear-time connectivity recognition algorithm for two-dimensional binary images....
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We introduce a new class of two-dimensional cellular automata (CAs) whose inter-cell communication is restricted to 1-bit and propose a linear-time connectivity recognition algorithm for two-dimensional binary images. Precisely, it is shown that a set of two-dimensional connected binary images of size m x n can be recognized in 2(m + n) + O(1) steps by a two-dimensional CA with 1-bit inter-cell communication. (C) 2001 Elsevier Science B.V. All rights reserved.
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