Face recognition method and system

A face recognition system and face recognition technology, applied in character and pattern recognition, instruments, computer parts, etc., can solve problems such as large amount of calculation, consuming large computing time, unable to meet the real-time requirements of search engines, etc. Improve the efficiency of face recognition and reduce the amount of calculation

Inactive Publication Date: 2014-09-10
BEIJING QIHOO TECH CO LTD +1
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Problems solved by technology

This scheme speeds up the face search process to a certain extent, but in large-scale face search, this scheme still requires a huge amount of calculation: if there are fewer cluster settings, the data size in each cluster will be relatively large , searching in the clusters will consume a lot of computing time; if there are too many clusters, it will take a lot of calculation to find the clusters to which they belong, which cannot meet the real-time requirements of search engines

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  • Face recognition method and system
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Embodiment Construction

[0026] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0027] As shown in the figure, an embodiment of the present invention provides a face recognition method, which includes:

[0028] Step 110, clustering the collected face pictures to obtain a plurality of first-level classifications, and continuing to cluster the face pictures in at least one i-th-level classification in an iterative manner to obtain multiple i+1-th-level classifications , i takes an integer value from 1 backward. ...

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Abstract

The invention relates to a face recognition method and system, and relates to the technical field of information, wherein the face recognition method and system mainly aim at completing face recognition through the smaller calculation amount compared with the prior art. The method includes the steps of clustering collected face images to obtain multiple first-layer classifications, continuing clustering face images in at least one ith-layer classification through the iterative way to obtain multiple (i+1)th-layer classifications, recognizing the first-layer classification to which a target face image belongs, continuing recognizing the (j+1)th-layer classification to which the target face image belongs in the jth-layer classification to which the target face image belongs through the iterative way, and recognizing a face image similar to the target face image from the jth-layer classification to which the target face image belongs through the iterative way till no (j+1)th-layer classification exists in the jth-layer classification to which the target face image belongs. Compared with an existing technical scheme, the calculation amount is quite small and face recognition efficiency is greatly improved.

Description

technical field [0001] The present invention relates to the field of information technology, in particular, to a face recognition method and system. Background technique [0002] At present, to retrieve large-scale faces, the work that needs to be done is to first extract and quantify the features of the face data. After these tasks, each face can get the corresponding multi-dimensional feature data; and by comparing two faces The feature data of the image is used to determine whether two face images are similar. In large-scale face data, finding similar faces requires calculations for each image, and finding the nearest face data requires a huge amount of calculations. [0003] The existing solution is to directly cluster a large number of face images in the local database, compare the target face image with each cluster in turn to find the cluster it belongs to, and then compare it with each face image in the cluster it belongs to. to find similar faces. This scheme spe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/46G06K9/62
Inventor 朱茂清李璋韩玉刚
Owner BEIJING QIHOO TECH CO LTD
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