A hierarchy-of-visual-words tree descriptor, built from decomposed shapes and learned visual word codebooks, improves trademark image retrieval on MPEG-7 CE-1 and CE-2 benchmarks.
Evaluation of a trademark image retrieval system,
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Hierarchy-of-Visual-Words: a Learning-based Approach for Trademark Image Retrieval
A hierarchy-of-visual-words tree descriptor, built from decomposed shapes and learned visual word codebooks, improves trademark image retrieval on MPEG-7 CE-1 and CE-2 benchmarks.