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Personalized Image Retrieval Method with Controllable Privacy Grading

A technology of image retrieval and privacy classification, which is applied in the fields of instruments, calculations, electrical digital data processing, etc., and can solve problems such as infringement of user privacy

Active Publication Date: 2017-05-31
数安信(北京)科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, since user interest files usually involve the user's personal privacy, this kind of personalized service will face a major legal obstacle of violating user privacy, which has become a thorny issue for major search engines

Method used

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  • Personalized Image Retrieval Method with Controllable Privacy Grading
  • Personalized Image Retrieval Method with Controllable Privacy Grading
  • Personalized Image Retrieval Method with Controllable Privacy Grading

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Embodiment Construction

[0065] According to the above description, the following is a specific implementation process, but the protection scope of this patent is not limited to this implementation process. The following is the specific workflow of the present invention: firstly, the user submits an example image, performs feature extraction on the image, and performs similarity calculation in the image feature database to obtain the image retrieval result. Then collect user interest information through relevant feedback, and build a hierarchical user interest model for user interest information. Finally, the user can choose the privacy protection level of the user interest model, and sort the retrieval results in combination with the similarity criterion, so as to obtain the privacy protection retrieval results with graded controllability. It not only effectively improves the quality of personalized image retrieval service, but also flexibly controls user privacy data. Among them, the image library ...

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Abstract

The invention relates to a personalized image retrieval method with privacy controlled in a grading mode. The personalized image retrieval method with the privacy controlled in the grading mode aims to achieve privacy protection of personalized image retrieval, and a user privacy protection scheme of a layered structure is studied. The personalized image retrieval method with the privacy controlled in the grading mode specifically comprises the steps that a layered user interest model is constructed and initialization is conducted, the layered user interest model is updated, nodes below a certain layer are clipped, or a catalog branch in a tree structure is clipped, retrieval is conducted according to the interest model, and a most similar image is used as a retrieval result and is fed back to a user. By the adoption of the personalized image retrieval method with the privacy controlled in the grading mode, effective protection of the individual privacy information of the user during personalized image retrieval is achieved.

Description

technical field [0001] The present invention is oriented to the privacy protection problem of personalized image retrieval, uses computer security theory and image recognition technology to obtain the image content features that users are interested in, and in order to protect the image information that users are interested in, by establishing a layered user interest model, implement A protection measure with controllable privacy classification, so as to effectively protect the user's personal privacy information in personalized image retrieval. [0002] technical background [0003] With the rapid development of multimedia and Internet technology, image information is used more and more widely in various industries, whether it is national defense, military, industrial manufacturing, news media, medical care or mass entertainment, and the number of digital images is growing at an alarming rate. . People hope to get search results that are more in line with their individual n...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30G06F21/60
CPCG06F16/5838G06F16/5854G06F16/5862G06F16/5866
Inventor 张菁刁蒙蒙卓力曹嫣
Owner 数安信(北京)科技有限公司
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