Hierarchy-of-Visual-Words: a Learning-Based Approach for Trademark Image Retrieval
Hierarchy-of-Visual-Words: a Learning-Based Approach for Trademark Image Retrieval
In this paper, we present the Hierarchy-of-Visual-Words (HoVW), a novel trademark image retrieval (TIR) method that decomposes images into simpler geometric shapes and defines a descriptor for binary trademark image representation by encoding the hierarchical arrangement of component shapes. The proposed hierarchical organization of visual data stores each component shape …