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Method and device for acquiring image information

An image information and acquisition method technology, applied in the field of image information acquisition methods and devices, can solve the problems of low work efficiency, large amount of feature computation for extracting a large amount of data, long time-consuming for face image related information, etc. The effect of improving work efficiency

Active Publication Date: 2014-11-19
GUANGDONG VIMICRO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as the amount of data increases, or when a large amount of data is required, it is necessary to query a large-scale face database. The main difficulty of face recognition in a large-scale face database is that the amount of face data is very large. In the process of building a face database with a few million or so, the amount of computation required to extract the features of a large amount of data is also very large
In addition, when querying in the database, the amount of data is too large. If one by one is compared and identified, the query time is very long, and it is difficult to apply in real time
[0005] For example, public security personnel use face images to find out whether the person is a fugitive in the database, and call up relevant information for reference. It takes a long time to search, and it takes more time if there are many photos that need to be compared. , work efficiency is not high
[0006] To sum up, the existing face image recognition technology takes a long time to obtain relevant information of the face image, and the work efficiency is low.

Method used

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  • Method and device for acquiring image information
  • Method and device for acquiring image information
  • Method and device for acquiring image information

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Embodiment Construction

[0023] Embodiments of the present invention provide a method and device for acquiring image information, which are used to reduce the time for acquiring image information and improve work efficiency.

[0024] The embodiment of the present invention is described by taking the acquisition of face image information as an example, of course, it is also applicable to the acquisition of related information of other images.

[0025] At present, the existing face recognition systems are generally only suitable for small and medium-sized face databases. When the scale of the face database is very large, it is difficult for these systems to achieve the effect of real-time application. The present invention mainly improves in two aspects at these problems:

[0026] In the process of establishing the face database, the incremental learning method is used to gradually extract the features of massive data, which makes feature extraction of massive data possible.

[0027] Use cluster analys...

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Abstract

The invention discloses a method and device for acquiring image information in order to reduce the time on acquiring the image information and improve the working efficiency. The method comprises the following steps: extracting features of images to be matched and comparing the features of the images to be matched with a clustering center which divides a plurality of image features into a plurality of clusters in advance to determine the cluster to which the features of the images to be matched belong; and matching the features of the images to be matched with image features in the cluster to which the features of the images to be matched belong to acquire the image information corresponding to the image features succeeding in matching.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method and device for acquiring image information. Background technique [0002] The advent of the information age and the progress of society have made it crucial to identify a person's identity quickly and friendly. Traditional identification, such as identity identification through ID cards and work permits, is becoming more and more outdated due to the inconvenience of carrying documents, easy loss, forgery, and psychological barriers caused to people. [0003] The biometric identification technology in the prior art overcomes the above-mentioned shortcomings. As a kind of biometric identification technology, face recognition has many advantages such as directness, friendliness and convenience. It has become a research hotspot in the field of pattern recognition and artificial intelligence, and has been widely used. [0004] Due to its advantages, face reco...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00G06K9/46G06K9/62
Inventor 王磊
Owner GUANGDONG VIMICRO