273 search results - page 21 / 55 » On periodicity of two-dimensional words |
145
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FCT
2003
Springer
15 years 11 months ago
2003
Springer
Abstract. Given a subset S of N, filtering a word a0a1 · · · an by S consists in deleting the letters ai such that i is not in S. By a natural generalization, denote by L[S], w...
138
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INFORMATICALT
2006
15 years 6 months ago
2006
Abstract. The paper addresses the problem of discrimination of homographs when a lengthy segment of an uttered word is missing. The considered discrimination procedure is done by r...
197
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ICDAR
2009
IEEE
15 years 3 months ago
2009
IEEE
We propose a real-time retrieval method for document images in various languages. In this method, queries are images of documents captured by a web-camera. The document images cor...
168
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DLT
2007
15 years 7 months ago
2007
Recently the duplication closure of words and languages has received much interest. We investigate a reversal of it: the duplication root reduces a word to a square-free one. After...
156
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MOR
2007
15 years 5 months ago
2007
We consider the problem of solving a nonhomogeneous infinite horizon Markov Decision Process (MDP) problem in the general case of potentially multiple optimal first period polic...