Picture semantic similarity search based on bipartite network of picture-tag type

Mingxi Zhang, Liuqian Yang, Yipeng Dong, Jinhua Wang and Qinghan Zhang

PLOS ONE, 2021, vol. 16, issue 11, 1-16

Abstract: Searching similar pictures for a given picture is an important task in numerous applications, including image recommendation system, image classification and image retrieval. Previous studies mainly focused on the similarities of content, which measures similarities based on visual features, such as color and shape, and few of them pay enough attention to semantics. In this paper, we propose a link-based semantic similarity search method, namely PictureSim, for effectively searching similar pictures by building a picture-tag network. The picture-tag network is built by “description” relationships between pictures and tags, in which tags and pictures are treated as nodes, and relationships between pictures and tags are regarded as edges. Then we design a TF-IDF-based model to removes the noisy links, so the traverses of these links can be reduced. We observe that “similar pictures contain similar tags, and similar tags describe similar pictures”, which is consistent with the intuition of the SimRank. Consequently, we utilize the SimRank algorithm to compute the similarity scores between pictures. Compared with content-based methods, PictureSim could effectively search similar pictures semantically. Extensive experiments on real datasets to demonstrate the effectiveness and efficiency of the PictureSim.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0259028

DOI: 10.1371/journal.pone.0259028

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