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Image searching

  • US 9,940,575 B2
  • Filed: 06/04/2015
  • Issued: 04/10/2018
  • Est. Priority Date: 06/04/2015
  • Status: Active Grant
First Claim
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1. A system for image searching, comprising:

  • a processor; and

    memory comprising processor-executable instructions that when executed by the processor cause implementation of an image searching component configured to;

    output, from a fully connected layer of a pre-trained fundamental model, a feature description of an image;

    identify a domain of the image;

    merge a domain model, corresponding to the domain, into the pre-trained fundamental model to generate a trained fundamental model;

    convert the feature description into a binary code using the trained fundamental model;

    responsive to a user submitting a search query, perform a coarse image search using a search query binary code derived from the search query to identify a candidate group, comprising one or more images, having binary codes that exceed a threshold similarity to the search query binary code, the candidate group comprising the image having the binary code;

    perform a fine image search on the candidate group utilizing a search query feature description derived from the search query to rank the one or more images within the candidate group based upon a similarity between the search query feature description and feature descriptions of the one or more images within the candidate group, the candidate group comprising the image having the feature description; and

    responsive to the image comprising a ranking above a ranking threshold, present the image to the user as a query result for the search query.

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