Encoding hieroglyph segments to represent hieroglyphs following the bag of visual word model for retrieval

The representation of hieroglyphs in retrieval systems represents a great challenge since these systems’ results highly depend on the used representation. In the literature, the most successful works in this area compute local descriptors from a set of points of interest taken from the entire hierog...

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Bibliographic Details
Published in:Expert systems with applications 2022-09, Vol.201, p.116983, Article 116983
Main Authors: Pinilla-Buitrago, Laura Alejandra, Martínez-Trinidad, José Fco, Carrasco-Ochoa, Jesús Ariel
Format: Article
Language:English
Subjects:
Bag of visual words
Hieroglyph representation
Hieroglyph retrieval
Representations
Retrieval
Segments
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Summary:The representation of hieroglyphs in retrieval systems represents a great challenge since these systems’ results highly depend on the used representation. In the literature, the most successful works in this area compute local descriptors from a set of points of interest taken from the entire hieroglyph and use them under the BoVW model to represent hieroglyphs. Unlike these works, this paper presents a way to extract segments from hieroglyphs and, by encoding the extracted segments through local descriptors, proposes to use them under the Bag of Visual Words (BoVW) model to represent hieroglyphs. Our experiments show that the proposed representation allows us to obtain retrieval results that overcome those reported by using state of the art representations. •Hieroglyph representation for retrieval based on encoding hieroglyph segments.•Good quality hieroglyph retrieval following the Bag of Visual Words Model.•Automatic decomposition of hieroglyphs in segments.
ISSN:0957-4174
1873-6793
DOI:10.1016/j.eswa.2022.116983