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A method and device for image retrieval and sorting

An image retrieval and image technology, applied in the field of image processing, can solve the problem of inaccurate retrieval of images

Active Publication Date: 2017-10-13
SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to solve the problem of inaccurate image retrieval in the prior art, the embodiment of the present invention provides a method and device for image retrieval and sorting

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  • A method and device for image retrieval and sorting
  • A method and device for image retrieval and sorting

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Embodiment Construction

[0058] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0059] The method provided by the present invention includes: searching the network image database according to the keyword input by the user to obtain the image set corresponding to the keyword, and performing denoising processing on the image set in a feature clustering manner to obtain the corresponding class image set; Perform inter-class optimization processing between the class image set and other class image sets that have been established in the network image database, and perform a second deselection on the images in the class image set through the inter-class optimization processing. The optimized image set is obtained by noise processing; the optimized image set is weighted and calculated according to the confidence score to ...

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Abstract

The invention discloses a method and device for image retrieval and sorting. The method includes: searching for an image set corresponding to a keyword from a network image database according to a keyword input by a user, and classifying the images respectively by means of feature clustering. denoising processing on the set to obtain the corresponding class image set; the class image set and other class image sets established in the network image database are respectively subjected to inter-class optimization processing in pairs, and the inter-class optimization processing is performed on the class image set. performing a second denoising process on the images in the class image set to obtain an optimized image set; performing weighted calculations on the optimized image set according to the confidence score and obtaining a high-density image set, and sorting the high-density image set according to a linear sorting model, Obtain the image sorting result. The device includes: a clustering denoising module, an inter-class optimization module and a sorting module. The accuracy of retrieval and sorting is improved through three-layer retrieval and sorting.

Description

technical field [0001] The invention relates to the field of image processing, in particular to a method and device for image retrieval and sorting. Background technique [0002] Network image retrieval usually adopts a search method based on text keywords. Currently, search engines determine the ranking of retrieved images by matching search keywords and text labels of images. However, the accuracy of retrieval results is not satisfactory because there are many wrong text labels in network images. In view of the uncertainty of network image retrieval in terms of user needs. It is an impossible task to exhaustively enumerate all keywords and store the sorting results in advance. At the same time, many applications rely on collecting a large number of categorized images, and the method of manual calibration and assisted sorting by users will also become labor-intensive. Therefore, an ideal image retrieval and ranking technology should not rely on any pre-storage and manua...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30G06K9/62
CPCG06F16/5866G06F18/23
Inventor 陈世峰曹琛
Owner SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI