人脸识别模型训练方法、装置、电子设备及存储介质

By combining sample pair learning and prototype learning, and using quality scores to perform weighted updates on the face recognition model, the problems of poor face recognition performance and low accuracy in existing technologies are solved, thereby improving the accuracy and performance of the face recognition model.

CN115546867BActive Publication Date: 2026-07-17SHENZHEN XUMI YUNTU SPACE TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHENZHEN XUMI YUNTU SPACE TECH CO LTD
Filing Date
2022-10-20
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing face recognition models, when the training set is large, require the construction of a large number of sample pairs based on the sample pair learning method and rely on difficult examples. The prototype of the classification learning method cannot reflect the intra-class variance, resulting in poor face recognition performance and low accuracy.

Method used

By combining sample pair learning and prototype learning, the network weights of the face recognition model are updated by calculating the feature magnitude and quality score of the sample features and using the total quality score to weight the sample features and prototype.

Benefits of technology

It improves the accuracy and effectiveness of face recognition models, avoids the generation of large-scale sample pairs, and enhances the responsiveness of intra-class variance.

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Abstract

本申请提供一种人脸识别模型训练方法、装置、电子设备及存储介质。该方法包括:将样本输入到人脸识别模型的特征提取模块中,得到样本特征;计算样本特征的特征模长,将特征模长作为第一质量分,利用质量分支提取样本特征的第二质量分,依据第一质量分和第二质量分计算得到总质量分;将新的样本输入到人脸识别模型中,从原型队列中获取与新的样本的类相对应的原型,并从历史特征队列和样本质量队列中分别获取与新的样本的类相对应的样本特征和总质量分;利用总质量分对样本特征和原型进行加权,得到新的原型,利用新的原型对检测模块进行训练。本申请提升了人脸识别模型的人脸识别效果,提高人脸识别算法精度。
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