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|a pubmed24n0723.xml
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|a (DE-627)NLM217135293
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|a (NLM)22516634
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Chang, S K
|e verfasserin
|4 aut
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|a Iconic indexing by 2-d strings
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|c 1987
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 02.10.2012
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|a Date Revised 12.11.2019
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a In this paper, we describe a new way of representing a symbolic picture by a two-dimensional string. A picture query can also be specified as a 2-D string. The problem of pictorial information retrieval then becomes a problem of 2-D subsequence matching. We present algorithms for encoding a symbolic picture into its 2-D string representation, reconstructing a picture from its 2-D string representation, and matching a 2-D string with another 2-D string. We also prove the necessary and sufficient conditions to characterize ambiguous pictures for reduced 2-D strings as well as normal 2-D strings. This approach thus allows an efficient and natural way to construct iconic indexes for pictures
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|a Journal Article
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|a Shi, Q Y
|e verfasserin
|4 aut
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|a Yan, C W
|e verfasserin
|4 aut
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|i Enthalten in
|t IEEE transactions on pattern analysis and machine intelligence
|d 1979
|g 9(1987), 3 vom: 11. März, Seite 413-28
|w (DE-627)NLM098212257
|x 1939-3539
|7 nnns
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|g volume:9
|g year:1987
|g number:3
|g day:11
|g month:03
|g pages:413-28
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|d 9
|j 1987
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|h 413-28
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