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High-precision and lightweight small-target detection algorithm for low-cost edge intelligence.

Linsong Xiao1, Wenzao Li2, Sai Yao1

  • 1School of Communication Engineering, Chengdu University of Information Technology, Chengdu, 610225, Sichuan, China.

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|October 9, 2024
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Summary
This summary is machine-generated.

This study introduces MSGD-YOLO, an enhanced algorithm for precise small target detection on edge devices. It significantly improves accuracy and efficiency, addressing computational challenges in Internet of Things (IoT) applications.

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Area of Science:

  • Computer Vision
  • Machine Learning
  • Edge Computing

Background:

  • Internet of Things (IoT) proliferation increases demand for edge device computational resources.
  • High-precision small target detection faces challenges due to computational demands and cost-efficiency requirements.
  • Existing algorithms struggle to balance precision with resource constraints on edge devices.

Purpose of the Study:

  • To develop an enhanced target detection algorithm (MSGD-YOLO) for improved small target detection on edge devices.
  • To address the conflict between high-precision detection needs and cost-efficiency in resource-limited environments.
  • To optimize feature generation, aggregation, and fusion for superior small target identification.

Main Methods:

  • Enhanced YOLOv8 architecture incorporating Ghost module and dynamic convolution in the C2f module for a lightweight design.
  • Integration of Spatial Pyramid Pooling with Enhanced Local Attention Network (SPPELAN) to improve receptive field and feature aggregation.
  • Introduction of Multi-Scale Ghost Convolution (MSGConv) and Multi-Scale Generalized Feature Pyramid Network (MSGPFN) for advanced feature fusion.
  • Employment of four optimized dynamic convolutional detection heads for precise target feature capture.

Main Results:

  • MSGD-YOLO demonstrates significant improvements over YOLOv8-n on the VisDrone2019 dataset, with mAP@50 increasing by 14.1% and mAP@50-95 by 11.2%.
  • The model achieves a 16.1% reduction in parameters, indicating a more lightweight architecture.
  • Real-time detection capabilities are met with a processing speed of 24.6 Frames Per Second (FPS) on embedded devices.

Conclusions:

  • MSGD-YOLO effectively enhances small target detection precision and efficiency for edge computing applications.
  • The proposed architectural modifications successfully balance computational demands with detection accuracy.
  • The algorithm provides a viable solution for real-time, high-precision small target detection in resource-constrained IoT environments.