融合多尺度特征的轻量级人脸检测算法

doi:10.16451/j.cnki.issn1003-6059.202206003

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Abstract Due to the limitations in computing capacity and storage resources of mobile devices, it is still an open challenge to design an efficient and high-precision face detector. In this paper, a lightweight face detection algorithm with multi-scale feature fusion(LFDMF) is proposed. The multi-level detection structure, regarded as the core component of face detection, is removed. Firstly, the existing lightweight backbone feature extraction network is introduced to encode the input image. Then, the proposed neck network is utilized to expand the receptive field of the feature map, and the multi-scale information with different receptive fields is fused into the one-level feature map. Finally, the proposed multi-task sensitive detector head is employed to perform face classification, regression and key point detection for the one-level feature map. Compared with the face detectors with RetinaFace and DSFD, LFDMF achieves higher accuracy and less computation burden. LFDMF builds three networks of different sizes. The large model, LFDMF-L, is built to achieve the most advanced performance on the Wider Face dataset, while the medium model, LFDMF-M, and the small model, LFDMF-S, achieve impressive performance with a small number of model parameters and less computation.

Key words： Face Detection Multi-scale Feature One-Level Feature Map Multi-task Sensitive Detector Head

Received: 14 March 2022

ZTFLH:

TP 391.4

Fund:National Natural Science Foundation of China(No.61876072)

Corresponding Authors: SONG Xiaoning, Ph.D., professor. His research interests include pattern recognition, computer vision, bioinformatics and machine learning.

About author:: WANG Jian, master student. His research interests include computer vision and object detection.

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Cite this article:

WANG Jian,SONG Xiaoning. Lightweight Face Detection Algorithm with Multi-scale Feature Fusion[J]. Pattern Recognition and Artificial Intelligence, 2022, 35(6): 507-515.

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http://manu46.magtech.com.cn/Jweb_prai/EN/10.16451/j.cnki.issn1003-6059.202206003 OR http://manu46.magtech.com.cn/Jweb_prai/EN/Y2022/V35/I6/507

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