Multidimensional String Matching

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Multidimensional String Matching 1999; Kärkkäinen, Ukkonen JUHA KÄRKKÄINEN, ESKO UKKONEN Department of Computer Science, University of Helsinki, Helsinki, Finland Keywords and Synonyms Multidimensional array matching; Image matching; Template registration

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Problem Definition Given two two-dimensional arrays, the text T[1 : : : n; 1 : : : n] and the pattern P[1 : : : m; 1 : : : m], m  n, both with element values from alphabet ˙ of size  , the basic two-dimensional string matching (2DSM) problem is to find all occurrences of P in T, i. e., all m  m subarrays of T that are identical to P. In addition to the basic problem, several types of gene