Picture similarity retrieval using 2d projection interval representation
Mohammed Nabil,
Anne H.H. Ngu,
John Shepherd
IEEE Transactions on Knowledge and Data Engineering, vol.8, no.4, August 1996.
(Compressed Postscript ... 74KB)
Spatial relationships are important ingredients for expressing
constraints in retrieval systems for pictorial or multimedia databases.
We have proposed a unified representation for spatial relationships,
2D Projection Interval Relationships (2D-PIR), that integrates both
directional and topological relationships. In this paper we develop
techniques for similarity retrieval based on the 2D-PIR representation.
The results of experiments with a prototype show that 2D-PIR is a
promising approach for similarity retrieval of images.
Keys:
Spatial relationships,
Similarity retrieval,
2D-PIR,
Multimedia databases
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