Heesch, Daniel and Rüger, Stefan
Combining features for content-based sketch retrieval — a comparative evaluation of retrieval performance.
In: 24th BCS-IRSG European Colloquium on IR Research, 25–27 March 2002, Glasgow, UK.
We study three transformation-invariant shape descriptors and evaluate their relative strengths in the context of content-based retrieval of graphical sketches. We show that the use of a combination of different shape representations may lead to a significant improvement of retrieval performance and identify an optimal combination that proves robust across different data sets and queries.
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