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A method and device for acquiring keywords

An acquisition method and keyword technology, applied in the field of image processing, can solve problems such as keyword recognition errors and inaccuracies, and achieve the effect of improving accuracy and ensuring convergence

Inactive Publication Date: 2015-09-02
FUJITSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The method for automatically obtaining keywords corresponding to images in the prior art can be realized through character recognition and text extraction, such as OCR (Optical Character Recognition, optical character recognition) technology, although this method realizes the automatic extraction of keywords corresponding to images , but due to the limitation of the accuracy of character recognition and the amount of text information in the image, the extracted keywords still have problems of recognition errors or other inaccuracies

Method used

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  • A method and device for acquiring keywords
  • A method and device for acquiring keywords
  • A method and device for acquiring keywords

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Embodiment Construction

[0031] Embodiments of the present invention will be described below with reference to the drawings.

[0032] In the process of implementing the present invention, the inventors found that when using the methods of the prior art to obtain keywords corresponding to images, at least the following problems exist:

[0033] In the prior art, when obtaining keywords corresponding to an image, the method adopted is to directly perform character recognition and text extraction on the text information in the image, and then obtain the keywords corresponding to the image. This method is due to the fact that the text information contained in the image It is very limited, and affected by the accuracy of image recognition, it is very easy to identify wrong keywords, which directly lead to the inaccurate keywords obtained to describe the corresponding information of the image.

[0034] Therefore, the embodiment of the present invention first provides a corresponding solution to this problem....

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Abstract

Locating text areas in an image and recognizing text contents in the text areas through optical character recognition, OCR; selecting a first class of pending keywords from the recognized text contents to search for webpages; extracting a second class of pending keywords from the retrieved webpages; and determining one or more keywords corresponding to the image from at least the second class of pending keywords. With the embodiment of the invention, both OCR and webpage searching can be combined so that the webpages can be retrieved based upon the first class of pending keywords recognized and selected through OCR to ensure convergence of the keywords and then the second class of pending keywords can be selected from the retrieved webpages to ensure correctness of the keywords.

Description

technical field [0001] The present invention generally relates to the technical field of image processing, and in particular, to a keyword acquisition method and device. Background technique [0002] With the advancement of science and technology, there are more and more ways for people to publish and obtain information in their daily life. For example, when it is necessary to publish an advertisement, in addition to posting the outdoor advertising image in the existing way, the detailed introduction of the advertisement can also be published on the Internet as a document corresponding to the image. When advertising images, since the amount of information contained in the images is very limited, users who are interested in the advertisement can record the text in the image, then log in to the Internet through a computer or mobile phone, and enter the text in the recorded image in the search engine. Do a search for the details of the ad. [0003] However, when searching, th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30G06V30/10
CPCG06K9/2054G06F17/30253G06K2209/01G06F16/5846G06V30/10G06V30/1444G06K7/10G06V10/10
Inventor 潘屹峰孙俊朱远平潘攀何源直井聪
Owner FUJITSU LTD