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Issue No.03 - June (1992 vol.4)
pp: 205-222
ABSTRACT
<p>Several iconic indexes for representing three-dimensional scenes are presented. The approach extends previous work in iconic indexing of two-dimensional scenes in a unified manner. Good characteristics for iconic indexes are also pointed out. OPP2 and OPP3, two-dimensional iconic indexes for three-dimensional scenes, are introduced. The problem of ambiguity in the OPP2 and OPP3 representations of three-dimensional scenes is studied in detail and a class of images for which they are unambiguous is identified. The Genstring, a linear iconic index which can be used to represent two-, three-, or higher-dimensional scenes, is introduced. It provides a compact, unambiguous representation of a three-dimensional scene. The Genstring takes advantage of previous work, thus providing fast pattern matching for higher-dimensional scenes. In fact, the pattern matching algorithm given for k-dimensional scenes is as fast as that previously given for two-dimensional scenes.</p>
INDEX TERMS
2-D scenes; unifying approach; iconic indexing; 3-D scenes; OPP2; OPP3; Genstring; linear iconic index; pattern matching; computerised pattern recognition; computerised picture processing; database management systems; graphical user interfaces; indexing; information retrieval
CITATION
G. Costagliola, G. Tortora, T. Arndt, "A Unifying Approach to Iconic Indexing for 2-D and 3-D Scenes", IEEE Transactions on Knowledge & Data Engineering, vol.4, no. 3, pp. 205-222, June 1992, doi:10.1109/69.142013
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