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Method for identifying category of image, image search method and image search device

A category and image technology, which is applied in the field of devices for identifying image category affiliation and identifying image category affiliation, can solve the problem of low accuracy of category recognition

Active Publication Date: 2016-08-10
ALIBABA GRP HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present application provides a method for identifying image category affiliation to solve the problem of low category recognition accuracy in the prior art when image features of the same category differ and image features of different categories overlap.

Method used

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  • Method for identifying category of image, image search method and image search device
  • Method for identifying category of image, image search method and image search device
  • Method for identifying category of image, image search method and image search device

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Embodiment Construction

[0122] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. However, the present application can be implemented in many other ways different from those described here, and those skilled in the art can make similar extensions without violating the connotation of the present application. Therefore, the present application is not limited by the specific embodiments disclosed below.

[0123] In the embodiment of the present application, a method for identifying image category affiliation, a device for identifying image category affiliation, an image search method, and an image search device are respectively provided. The following The detailed description will be given in detail one by one in the embodiment.

[0124] Please refer to figure 1 , which is a flow chart of an embodiment of a method for identifying image category belonging in the present application. The method comprises the steps of:

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Abstract

The invention discloses a method and a device for identifying the category of an image, an image search method and an image search device. The method for identifying the category of an image comprises the following steps: getting an image to be identified; determining a first confidence that the image to be identified belongs to each predetermined category; when the number of categories of which the first confidence is greater than a first threshold is smaller than a predetermined number, calculating a second confidence that the image to be identified belongs to each of corresponding cross-correlated categories for the categories of which the first confidence is between a second threshold and the first threshold; and selecting a plurality of target categories with higher second confidence, and taking the categories of which the first confidence is greater than the first threshold and the target categories as the identification result of the category of the image to be identified. By using the method, category identification error caused by the difference between the features of images of the same category and the overlap between the features of images of different categories is inhibited as much as possible, and the accuracy of category identification is improved effectively.

Description

technical field [0001] The present application relates to the field of image recognition, in particular to a method for identifying the category belonging of an image. The present application also provides a device for identifying the category of an image, and an image search method and device. Background technique [0002] With the development of Internet technology, image information plays an increasingly important role in Internet applications, and various technical methods related to image processing and analysis have been widely used. Image category (also called category) recognition technology belonging to the field of pattern recognition is one of them. Specific to Internet applications, taking commodity images as an example, the purpose of category recognition is to determine which specific category the commodity in the image belongs to. This technology plays an important role in many applications, such as product category prediction, category misplacement judgment...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/62
Inventor 唐铭谦张洪明
Owner ALIBABA GRP HLDG LTD
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