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Device and method for updating template library for face image recognition

A face image, update method technology, applied in the field of image processing, can solve the problem of not meeting the requirements of high accuracy and high efficiency of face recognition

Active Publication Date: 2016-08-31
BOE TECH GRP CO LTD
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AI Technical Summary

Problems solved by technology

The template library of the existing face recognition device only saves a fixed template for each user, which can no longer meet the requirements for high accuracy and high efficiency of face recognition

Method used

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  • Device and method for updating template library for face image recognition
  • Device and method for updating template library for face image recognition
  • Device and method for updating template library for face image recognition

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Embodiment Construction

[0052] The specific implementation of the device and method for updating the template database for recognizing facial images provided by the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Apparently, the described embodiments are some, not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0053] An embodiment of the present invention provides a method for updating a template library for identifying human face images, such as figure 1 shown, including:

[0054] S101. According to the currently collected face image, calculate the matching value of each template of the user in the template library relative to the currently collected face image;

[0055] S102. According to the calculated matching ...

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Abstract

The invention discloses a device and a method for updating a template library for face image recognition. The updating method comprises the following steps: according to a currently collected face image, calculating the matching degree value of each template of a user in a template library relative to the currently collected face image of the user; and according to the calculated matching degree value of each template of the user and a preset deletion strategy, deleting the templates of the user meeting the deletion strategy, and storing the currently collected face image in the template library as a template of the user. Thus, an updated template library contains the last collected face image of a user, and the template library can be constantly updated as the user's appearance changes subtly. Through face recognition using a template library updated by the updating method, the accuracy and efficiency of face recognition are improved, compared with the existing method of face recognition based on an initially stored fixed template only.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to a device and method for updating a template library for recognizing face images. Background technique [0002] At present, face recognition technology has been widely used in video surveillance, attendance records, access control and other occasions. [0003] In existing face recognition devices, a template library is generally provided, and a fixed template is stored for each user in the template library. The user's template is compared to identify the user. [0004] During the long-term use of the face recognition device by the user, the user's appearance may change, such as changes in obesity, hairstyles, makeup, and plain makeup. The template library of the existing face recognition device only stores one fixed template for each user, which cannot meet the requirements for high accuracy and high efficiency of face recognition. [0005] Therefore, how to update the...

Claims

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Application Information

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IPC IPC(8): G06K9/00
CPCG06V40/172
Inventor 赵骥伯唐小军
Owner BOE TECH GRP CO LTD
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