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Pedestrian and Vehicle Detection Based on Pruning YOLOv4 with Cloud-Edge Collaboration

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摘要 Nowadays,the rapid development of edge computing has driven an increasing number of deep learning applications deployed at the edge of the network,such as pedestrian and vehicle detection,to provide efficient intelligent services to mobile users.However,as the accuracy requirements continue to increase,the components of deep learning models for pedestrian and vehicle detection,such as YOLOv4,become more sophisticated and the computing resources required for model training are increasing dramatically,which in turn leads to significant challenges in achieving effective deployment on resource-constrained edge devices while ensuring the high accuracy performance.For addressing this challenge,a cloud-edge collaboration-based pedestrian and vehicle detection framework is proposed in this paper,which enables sufficient training of models by utilizing the abundant computing resources in the cloud,and then deploying the well-trained models on edge devices,thus reducing the computing resource requirements for model training on edge devices.Furthermore,to reduce the size of the model deployed on edge devices,an automatic pruning method combines the convolution layer and BN layer is proposed to compress the pedestrian and vehicle detection model size.Experimental results show that the framework proposed in this paper is able to deploy the pruned model on a real edge device,Jetson TX2,with 6.72 times higher FPS.Meanwhile,the channel pruning reduces the volume and the number of parameters to 96.77%for the model,and the computing amount is reduced to 81.37%.
出处 《Computer Modeling in Engineering & Sciences》 SCIE EI 2023年第11期2025-2047,共23页 工程与科学中的计算机建模(英文)
基金 supported by Key-Area Research and Development Program of Guangdong Province(2021B0101420002) the Major Key Project of PCL(PCL2021A09) National Natural Science Foundation of China(62072187) Guangdong Major Project of Basic and Applied Basic Research(2019B030302002) Guangdong Marine Economic Development Special Fund Project(GDNRC[2022]17) Guangzhou Development Zone Science and Technology(2021GH10,2020GH10).
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