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Visual semantic complex network and method for forming network

  • US 10,296,531 B2
  • Filed: 11/30/2013
  • Issued: 05/21/2019
  • Est. Priority Date: 11/30/2013
  • Status: Active Grant
First Claim
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1. A visual semantic complex network system, comprising:

  • a memory configured for storing executable units; and

    a processor electronically communicated with the memory and executing the executable units to;

    retrieve a plurality of images and a plurality of texts associated with the plurality of images based on one or more query-keywords;

    determine semantic concepts and representative images corresponding to the retrieved texts and the retrieved images, respectively;

    generate text descriptors and visual descriptors based on the determined semantic concepts and representative images, wherein the text descriptors are generated as one or more vectors comprising a frequency of the semantic concepts within the plurality of retrieved texts and wherein the visual descriptors are generated as one or more binary vectors comprising a hashed representation of each of the plurality of retrieved images;

    determine semantic correlations and visual correlations associated with the semantic concepts based on the generated text and visual descriptors, respectively;

    generate the visual semantic complex network system as a navigable graph based on combining the determined semantic correlations and the determined visual correlations, wherein the graph includes a plurality of nodes corresponding to the determined semantic concepts;

    enter a query keyword to the visual semantic complex network system;

    present a query space being a first subgraph of the visual semantic complex network system, the query space containing concepts each comprising the entered query keyword;

    present a local concept space being a second subgraph of the visual semantic complex network system in response to selecting the concept in the query space as a centric concept, the local concept space comprising the centric concept and neighbor concepts excluding the entered keyword; and

    present the query space in response to selecting the centric concept in the local concept space.

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