A feature selection method and device

A feature subset and feature vector technology, applied in the field of image processing, can solve the problem of no feature selection method.

Active Publication Date: 2019-12-13
济南博观智能科技有限公司
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The feature selection process is an important preprocessing process of face recognition technology, but currently there is no effective feature selection method

Method used

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  • A feature selection method and device

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Embodiment Construction

[0069] The terminology used in this application is for the purpose of describing specific embodiments only, not to limit the application. As used in this application and the claims, the singular forms "a", "the" and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term "and / or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.

[0070] It should be understood that although the terms first, second, third, etc. may be used in this application to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of the present application, first information may also be called second information, and similarly, second information may also be called first information. Dependin...

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Abstract

The present invention provides a feature selection method and device. The method includes: extracting M features from the obtained image; using a filtering model algorithm to filter the M features to obtain N features; using the first The encapsulated model algorithm searches the N features to obtain a first feature subset, and uses the second encapsulated model algorithm to search the N features to obtain a second feature subset; for the first feature Subset and the second feature subset are recombined to obtain a third feature subset including K features, and the best feature of the image is selected from the first feature subset, the second feature subset and the third feature subset Excellent feature set. Through the technical solution of the present invention, the most effective features can be selected from a large number of features, the optimal feature subset can be obtained, the computational complexity can be reduced, the classification accuracy and classification performance of face recognition can be improved, the recognition ability of faces can be improved, and the recognition ability of faces can be improved. recognition rate and improve information security.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to a feature selection method and device. Background technique [0002] With the rapid development of information technology, information security has become more and more important. The traditional identification technology relying on the certificate number can no longer meet people's needs. Face recognition technology extracts the features of the face, and then performs identity recognition and verification based on these features. It is safe, convenient, and not easy to be stolen, so it has been widely used, especially in unit attendance, entrance and exit inspections, and criminal investigations. , information security and other fields, face recognition technology has broad application prospects. [0003] In a video surveillance system, after the image processing device obtains the image, it can extract the features of the face from the image, and use these fea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/46G06K9/00
CPCG06V40/168G06V10/464
Inventor 王飞杨治昆
Owner 济南博观智能科技有限公司
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