Iconic indexing by 2-D strings
IEEE Transactions on Pattern Analysis and Machine Intelligence
Design and evaluation of algorithms for image retrieval by spatial similarity
ACM Transactions on Information Systems (TOIS)
Information storage and retrieval
Information storage and retrieval
A spatial match representation scheme for indexing and querying in iconic image databases
CIKM '97 Proceedings of the sixth international conference on Information and knowledge management
Introduction to Modern Information Retrieval
Introduction to Modern Information Retrieval
Picture Similarity Retrieval Using the 2D Projection Interval Representation
IEEE Transactions on Knowledge and Data Engineering
Interval-Based Representation of Spatio-Temporal Concepts
CAiSE '97 Proceedings of the 9th International Conference on Advanced Information Systems Engineering
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In order to support content-based iconic image retrieval efficiently, we propose a new spatial-match representation scheme, called SR scheme, which combines directional operators with positional operators. Therefore, our scheme can represent spatial relationships between icon objects precisely and can provide ranking for the retrieved images. In addition, we compare our scheme with the conventional 9DLT and SMR schemes in terms of retrieval effectiveness. Finally, we show from our experiments that our SR scheme holds about 7% higher recall and about 20% higher precision, compared with the 9DLT and the SMR.